diff --git a/src/libs/Weave/Generated/Weave.IPredictionsClient.PredictionCreateV2EntityProjectPredictionsPost.g.cs b/src/libs/Weave/Generated/Weave.IPredictionsClient.PredictionCreateV2EntityProjectPredictionsPost.g.cs
index cd081fb..6eadcbe 100644
--- a/src/libs/Weave/Generated/Weave.IPredictionsClient.PredictionCreateV2EntityProjectPredictionsPost.g.cs
+++ b/src/libs/Weave/Generated/Weave.IPredictionsClient.PredictionCreateV2EntityProjectPredictionsPost.g.cs
@@ -56,6 +56,9 @@ public partial interface IPredictionsClient
         /// <param name="evaluationRunId">
         /// Optional evaluation run ID to link this prediction as a child call
         /// </param>
+        /// <param name="genaiSpanRef">
+        /// Optional GenAI span reference produced by this prediction.
+        /// </param>
         /// <param name="requestOptions">Per-request overrides such as headers, query parameters, timeout, retries, and response buffering.</param>
         /// <param name="cancellationToken">The token to cancel the operation with</param>
         /// <exception cref="global::System.InvalidOperationException"></exception>
@@ -66,6 +69,7 @@ public partial interface IPredictionsClient
             object inputs,
             object output,
             string? evaluationRunId = default,
+            global::Weave.GenAISpanRef? genaiSpanRef = default,
             global::Weave.AutoSDKRequestOptions? requestOptions = default,
             global::System.Threading.CancellationToken cancellationToken = default);
     }
diff --git a/src/libs/Weave/Generated/Weave.JsonSerializerContext.g.cs b/src/libs/Weave/Generated/Weave.JsonSerializerContext.g.cs
index e2b68b9..6a04d03 100644
--- a/src/libs/Weave/Generated/Weave.JsonSerializerContext.g.cs
+++ b/src/libs/Weave/Generated/Weave.JsonSerializerContext.g.cs
@@ -272,6 +272,7 @@ namespace Weave
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Weave.EvalResultsSortByMode), TypeInfoPropertyName = "EvalResultsSortByMode2")]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::System.Collections.Generic.IList<global::Weave.EvalResultsEvaluationSummary>))]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::System.Collections.Generic.Dictionary<string, string>))]
+    [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Weave.GenAISpanRef))]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Weave.EvaluateModelReq))]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Weave.EvaluateModelRes))]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Weave.EvaluationCreateBody))]
diff --git a/src/libs/Weave/Generated/Weave.JsonSerializerContextTypes.g.cs b/src/libs/Weave/Generated/Weave.JsonSerializerContextTypes.g.cs
index 784bf26..ecb2e22 100644
--- a/src/libs/Weave/Generated/Weave.JsonSerializerContextTypes.g.cs
+++ b/src/libs/Weave/Generated/Weave.JsonSerializerContextTypes.g.cs
@@ -580,639 +580,643 @@ public sealed partial class JsonSerializerContextTypes
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluateModelReq? Type138 { get; set; }
+        public global::Weave.GenAISpanRef? Type138 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluateModelRes? Type139 { get; set; }
+        public global::Weave.EvaluateModelReq? Type139 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationCreateBody? Type140 { get; set; }
+        public global::Weave.EvaluateModelRes? Type140 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationCreateRes? Type141 { get; set; }
+        public global::Weave.EvaluationCreateBody? Type141 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationDeleteRes? Type142 { get; set; }
+        public global::Weave.EvaluationCreateRes? Type142 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationReadRes? Type143 { get; set; }
+        public global::Weave.EvaluationDeleteRes? Type143 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationRunCreateBody? Type144 { get; set; }
+        public global::Weave.EvaluationReadRes? Type144 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationRunCreateRes? Type145 { get; set; }
+        public global::Weave.EvaluationRunCreateBody? Type145 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationRunDeleteRes? Type146 { get; set; }
+        public global::Weave.EvaluationRunCreateRes? Type146 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationRunFinishBody? Type147 { get; set; }
+        public global::Weave.EvaluationRunDeleteRes? Type147 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationRunFinishRes? Type148 { get; set; }
+        public global::Weave.EvaluationRunFinishBody? Type148 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationRunReadRes? Type149 { get; set; }
+        public global::Weave.EvaluationRunFinishRes? Type149 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationStatusComplete? Type150 { get; set; }
+        public global::Weave.EvaluationRunReadRes? Type150 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationStatusFailed? Type151 { get; set; }
+        public global::Weave.EvaluationStatusComplete? Type151 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationStatusNotFound? Type152 { get; set; }
+        public global::Weave.EvaluationStatusFailed? Type152 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationStatusReq? Type153 { get; set; }
+        public global::Weave.EvaluationStatusNotFound? Type153 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationStatusRes? Type154 { get; set; }
+        public global::Weave.EvaluationStatusReq? Type154 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.AnyOf<global::Weave.EvaluationStatusNotFound, global::Weave.EvaluationStatusRunning, global::Weave.EvaluationStatusFailed, global::Weave.EvaluationStatusComplete>? Type155 { get; set; }
+        public global::Weave.EvaluationStatusRes? Type155 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.EvaluationStatusRunning? Type156 { get; set; }
+        public global::Weave.AnyOf<global::Weave.EvaluationStatusNotFound, global::Weave.EvaluationStatusRunning, global::Weave.EvaluationStatusFailed, global::Weave.EvaluationStatusComplete>? Type156 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackCreateBatchReq? Type157 { get; set; }
+        public global::Weave.EvaluationStatusRunning? Type157 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.FeedbackCreateReq>? Type158 { get; set; }
+        public global::Weave.FeedbackCreateBatchReq? Type158 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackCreateReq? Type159 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.FeedbackCreateReq>? Type159 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackCreateBatchRes? Type160 { get; set; }
+        public global::Weave.FeedbackCreateReq? Type160 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.FeedbackCreateRes>? Type161 { get; set; }
+        public global::Weave.FeedbackCreateBatchRes? Type161 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackCreateRes? Type162 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.FeedbackCreateRes>? Type162 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackMetricSpec? Type163 { get; set; }
+        public global::Weave.FeedbackCreateRes? Type163 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackMetricSpecValueType? Type164 { get; set; }
+        public global::Weave.FeedbackMetricSpec? Type164 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackPayloadPath? Type165 { get; set; }
+        public global::Weave.FeedbackMetricSpecValueType? Type165 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackPayloadPathValueType? Type166 { get; set; }
+        public global::Weave.FeedbackPayloadPath? Type166 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackPayloadSchemaReq? Type167 { get; set; }
+        public global::Weave.FeedbackPayloadPathValueType? Type167 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackPayloadSchemaRes? Type168 { get; set; }
+        public global::Weave.FeedbackPayloadSchemaReq? Type168 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.FeedbackPayloadPath>? Type169 { get; set; }
+        public global::Weave.FeedbackPayloadSchemaRes? Type169 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackPurgeReq? Type170 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.FeedbackPayloadPath>? Type170 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackPurgeRes? Type171 { get; set; }
+        public global::Weave.FeedbackPurgeReq? Type171 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackQueryReq? Type172 { get; set; }
+        public global::Weave.FeedbackPurgeRes? Type172 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackQueryRes? Type173 { get; set; }
+        public global::Weave.FeedbackQueryReq? Type173 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackReplaceReq? Type174 { get; set; }
+        public global::Weave.FeedbackQueryRes? Type174 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackReplaceRes? Type175 { get; set; }
+        public global::Weave.FeedbackReplaceReq? Type175 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackStatsReq? Type176 { get; set; }
+        public global::Weave.FeedbackReplaceRes? Type176 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.FeedbackMetricSpec>? Type177 { get; set; }
+        public global::Weave.FeedbackStatsReq? Type177 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FeedbackStatsRes? Type178 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.FeedbackMetricSpec>? Type178 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.Dictionary<string, object>? Type179 { get; set; }
+        public global::Weave.FeedbackStatsRes? Type179 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FileContentReadReq? Type180 { get; set; }
+        public global::System.Collections.Generic.Dictionary<string, object>? Type180 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FileCreateRes? Type181 { get; set; }
+        public global::Weave.FileContentReadReq? Type181 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FilesStatsReq? Type182 { get; set; }
+        public global::Weave.FileCreateRes? Type182 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.FilesStatsRes? Type183 { get; set; }
+        public global::Weave.FilesStatsReq? Type183 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.Geolocation? Type184 { get; set; }
+        public global::Weave.FilesStatsRes? Type184 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.GeolocationRes? Type185 { get; set; }
+        public global::Weave.Geolocation? Type185 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.HTTPValidationError? Type186 { get; set; }
+        public global::Weave.GeolocationRes? Type186 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.ValidationError>? Type187 { get; set; }
+        public global::Weave.HTTPValidationError? Type187 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ValidationError? Type188 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.ValidationError>? Type188 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ImageGenerationCreateReq? Type189 { get; set; }
+        public global::Weave.ValidationError? Type189 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ImageGenerationRequestInputs? Type190 { get; set; }
+        public global::Weave.ImageGenerationCreateReq? Type190 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ImageGenerationCreateRes? Type191 { get; set; }
+        public global::Weave.ImageGenerationRequestInputs? Type191 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.LLMUsageSchema? Type192 { get; set; }
+        public global::Weave.ImageGenerationCreateRes? Type192 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.AnyOf<string, int?, double?, bool?, global::System.Collections.Generic.Dictionary<string, global::Weave.LiteralOperation>, global::System.Collections.Generic.IList<global::Weave.LiteralOperation>, object>? Type193 { get; set; }
+        public global::Weave.LLMUsageSchema? Type193 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.Dictionary<string, global::Weave.LiteralOperation>? Type194 { get; set; }
+        public global::Weave.AnyOf<string, int?, double?, bool?, global::System.Collections.Generic.Dictionary<string, global::Weave.LiteralOperation>, global::System.Collections.Generic.IList<global::Weave.LiteralOperation>, object>? Type194 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.LiteralOperation>? Type195 { get; set; }
+        public global::System.Collections.Generic.Dictionary<string, global::Weave.LiteralOperation>? Type195 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ModelCreateBody? Type196 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.LiteralOperation>? Type196 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ModelCreateRes? Type197 { get; set; }
+        public global::Weave.ModelCreateBody? Type197 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ModelDeleteRes? Type198 { get; set; }
+        public global::Weave.ModelCreateRes? Type198 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ModelReadRes? Type199 { get; set; }
+        public global::Weave.ModelDeleteRes? Type199 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.NvidiaHardwareOption? Type200 { get; set; }
+        public global::Weave.ModelReadRes? Type200 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.NvidiaServerlessPricing? Type201 { get; set; }
+        public global::Weave.NvidiaHardwareOption? Type201 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.NvidiaHardwareRes? Type202 { get; set; }
+        public global::Weave.NvidiaServerlessPricing? Type202 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.NvidiaHardwareOption>? Type203 { get; set; }
+        public global::Weave.NvidiaHardwareRes? Type203 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjAddTagsRes? Type204 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.NvidiaHardwareOption>? Type204 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjCreateReq? Type205 { get; set; }
+        public global::Weave.ObjAddTagsRes? Type205 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjSchemaForInsert? Type206 { get; set; }
+        public global::Weave.ObjCreateReq? Type206 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjCreateRes? Type207 { get; set; }
+        public global::Weave.ObjSchemaForInsert? Type207 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjDeleteReq? Type208 { get; set; }
+        public global::Weave.ObjCreateRes? Type208 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjDeleteRes? Type209 { get; set; }
+        public global::Weave.ObjDeleteReq? Type209 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjQueryReq? Type210 { get; set; }
+        public global::Weave.ObjDeleteRes? Type210 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjectVersionFilter? Type211 { get; set; }
+        public global::Weave.ObjQueryReq? Type211 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjQueryRes? Type212 { get; set; }
+        public global::Weave.ObjectVersionFilter? Type212 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.ObjSchema>? Type213 { get; set; }
+        public global::Weave.ObjQueryRes? Type213 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjSchema? Type214 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.ObjSchema>? Type214 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjReadReq? Type215 { get; set; }
+        public global::Weave.ObjSchema? Type215 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjReadRes? Type216 { get; set; }
+        public global::Weave.ObjReadReq? Type216 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjRemoveAliasesBody? Type217 { get; set; }
+        public global::Weave.ObjReadRes? Type217 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjRemoveAliasesRes? Type218 { get; set; }
+        public global::Weave.ObjRemoveAliasesBody? Type218 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjRemoveTagsRes? Type219 { get; set; }
+        public global::Weave.ObjRemoveAliasesRes? Type219 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjSetAliasesBody? Type220 { get; set; }
+        public global::Weave.ObjRemoveTagsRes? Type220 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjSetAliasesRes? Type221 { get; set; }
+        public global::Weave.ObjSetAliasesBody? Type221 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ObjTagsBody? Type222 { get; set; }
+        public global::Weave.ObjSetAliasesRes? Type222 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.OpCreateBody? Type223 { get; set; }
+        public global::Weave.ObjTagsBody? Type223 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.OpCreateRes? Type224 { get; set; }
+        public global::Weave.OpCreateBody? Type224 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.OpDeleteRes? Type225 { get; set; }
+        public global::Weave.OpCreateRes? Type225 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.OpReadRes? Type226 { get; set; }
+        public global::Weave.OpDeleteRes? Type226 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.PredictionCreateBody? Type227 { get; set; }
+        public global::Weave.OpReadRes? Type227 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.PredictionCreateRes? Type228 { get; set; }
+        public global::Weave.PredictionCreateBody? Type228 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.PredictionDeleteRes? Type229 { get; set; }
+        public global::Weave.PredictionCreateRes? Type229 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.PredictionFinishRes? Type230 { get; set; }
+        public global::Weave.PredictionDeleteRes? Type230 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.PredictionReadRes? Type231 { get; set; }
+        public global::Weave.PredictionFinishRes? Type231 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.Pricing? Type232 { get; set; }
+        public global::Weave.PredictionReadRes? Type232 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ProjectsInfoReq? Type233 { get; set; }
+        public global::Weave.Pricing? Type233 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ProjectsInfoRes? Type234 { get; set; }
+        public global::Weave.ProjectsInfoReq? Type234 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.RefsReadBatchReq? Type235 { get; set; }
+        public global::Weave.ProjectsInfoRes? Type235 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.RefsReadBatchRes? Type236 { get; set; }
+        public global::Weave.RefsReadBatchReq? Type236 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.RouterOpenRouterModel? Type237 { get; set; }
+        public global::Weave.RefsReadBatchRes? Type237 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.RouterOpenRouterModelQuantization? Type238 { get; set; }
+        public global::Weave.RouterOpenRouterModel? Type238 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.RouterOpenRouterModelSupportedSamplingParameter>? Type239 { get; set; }
+        public global::Weave.RouterOpenRouterModelQuantization? Type239 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.RouterOpenRouterModelSupportedSamplingParameter? Type240 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.RouterOpenRouterModelSupportedSamplingParameter>? Type240 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.RouterOpenRouterModelSupportedFeature>? Type241 { get; set; }
+        public global::Weave.RouterOpenRouterModelSupportedSamplingParameter? Type241 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.RouterOpenRouterModelSupportedFeature? Type242 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.RouterOpenRouterModelSupportedFeature>? Type242 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.Datacenter>? Type243 { get; set; }
+        public global::Weave.RouterOpenRouterModelSupportedFeature? Type243 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.RouterOpenRouterModelsRes? Type244 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.Datacenter>? Type244 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.RouterOpenRouterModel>? Type245 { get; set; }
+        public global::Weave.RouterOpenRouterModelsRes? Type245 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ScoreCreateBody? Type246 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.RouterOpenRouterModel>? Type246 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ScoreCreateRes? Type247 { get; set; }
+        public global::Weave.ScoreCreateBody? Type247 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ScoreDeleteRes? Type248 { get; set; }
+        public global::Weave.ScoreCreateRes? Type248 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ScoreReadRes? Type249 { get; set; }
+        public global::Weave.ScoreDeleteRes? Type249 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ScorerCreateBody? Type250 { get; set; }
+        public global::Weave.ScoreReadRes? Type250 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ScorerCreateRes? Type251 { get; set; }
+        public global::Weave.ScorerCreateBody? Type251 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ScorerDeleteRes? Type252 { get; set; }
+        public global::Weave.ScorerCreateRes? Type252 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ScorerReadRes? Type253 { get; set; }
+        public global::Weave.ScorerDeleteRes? Type253 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ServerInfoRes? Type254 { get; set; }
+        public global::Weave.ScorerReadRes? Type254 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.SortByDirection? Type255 { get; set; }
+        public global::Weave.ServerInfoRes? Type255 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.Dictionary<string, global::Weave.LLMUsageSchema>? Type256 { get; set; }
+        public global::Weave.SortByDirection? Type256 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.Dictionary<string, int>? Type257 { get; set; }
+        public global::System.Collections.Generic.Dictionary<string, global::Weave.LLMUsageSchema>? Type257 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableAppendSpec? Type258 { get; set; }
+        public global::System.Collections.Generic.Dictionary<string, int>? Type258 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableAppendSpecPayload? Type259 { get; set; }
+        public global::Weave.TableAppendSpec? Type259 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableCreateFromDigestsReq? Type260 { get; set; }
+        public global::Weave.TableAppendSpecPayload? Type260 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableCreateFromDigestsRes? Type261 { get; set; }
+        public global::Weave.TableCreateFromDigestsReq? Type261 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableCreateReq? Type262 { get; set; }
+        public global::Weave.TableCreateFromDigestsRes? Type262 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableSchemaForInsert? Type263 { get; set; }
+        public global::Weave.TableCreateReq? Type263 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableCreateRes? Type264 { get; set; }
+        public global::Weave.TableSchemaForInsert? Type264 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableInsertSpec? Type265 { get; set; }
+        public global::Weave.TableCreateRes? Type265 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableInsertSpecPayload? Type266 { get; set; }
+        public global::Weave.TableInsertSpec? Type266 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TablePopSpec? Type267 { get; set; }
+        public global::Weave.TableInsertSpecPayload? Type267 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TablePopSpecPayload? Type268 { get; set; }
+        public global::Weave.TablePopSpec? Type268 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableQueryReq? Type269 { get; set; }
+        public global::Weave.TablePopSpecPayload? Type269 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableRowFilter? Type270 { get; set; }
+        public global::Weave.TableQueryReq? Type270 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableQueryRes? Type271 { get; set; }
+        public global::Weave.TableRowFilter? Type271 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.TableRowSchema>? Type272 { get; set; }
+        public global::Weave.TableQueryRes? Type272 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableRowSchema? Type273 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.TableRowSchema>? Type273 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableQueryStatsBatchReq? Type274 { get; set; }
+        public global::Weave.TableRowSchema? Type274 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableQueryStatsBatchRes? Type275 { get; set; }
+        public global::Weave.TableQueryStatsBatchReq? Type275 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.TableStatsRow>? Type276 { get; set; }
+        public global::Weave.TableQueryStatsBatchRes? Type276 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableStatsRow? Type277 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.TableStatsRow>? Type277 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableQueryStatsReq? Type278 { get; set; }
+        public global::Weave.TableStatsRow? Type278 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableQueryStatsRes? Type279 { get; set; }
+        public global::Weave.TableQueryStatsReq? Type279 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableUpdateReq? Type280 { get; set; }
+        public global::Weave.TableQueryStatsRes? Type280 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.AnyOf<global::Weave.TableAppendSpec, global::Weave.TablePopSpec, global::Weave.TableInsertSpec>>? Type281 { get; set; }
+        public global::Weave.TableUpdateReq? Type281 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.AnyOf<global::Weave.TableAppendSpec, global::Weave.TablePopSpec, global::Weave.TableInsertSpec>? Type282 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.AnyOf<global::Weave.TableAppendSpec, global::Weave.TablePopSpec, global::Weave.TableInsertSpec>>? Type282 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TableUpdateRes? Type283 { get; set; }
+        public global::Weave.AnyOf<global::Weave.TableAppendSpec, global::Weave.TablePopSpec, global::Weave.TableInsertSpec>? Type283 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TagsListRes? Type284 { get; set; }
+        public global::Weave.TableUpdateRes? Type284 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ThreadsQueryFilter? Type285 { get; set; }
+        public global::Weave.TagsListRes? Type285 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.ThreadsQueryReq? Type286 { get; set; }
+        public global::Weave.ThreadsQueryFilter? Type286 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TraceStatus? Type287 { get; set; }
+        public global::Weave.ThreadsQueryReq? Type287 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TraceUsageReq? Type288 { get; set; }
+        public global::Weave.TraceStatus? Type288 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.TraceUsageRes? Type289 { get; set; }
+        public global::Weave.TraceUsageReq? Type289 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.UsageMetricSpecMetric? Type290 { get; set; }
+        public global::Weave.TraceUsageRes? Type290 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.AnyOf<string, int?>>? Type291 { get; set; }
+        public global::Weave.UsageMetricSpecMetric? Type291 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::Weave.AnyOf<string, int?>? Type292 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.AnyOf<string, int?>>? Type292 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.ProjectsInfoRes>? Type293 { get; set; }
+        public global::Weave.AnyOf<string, int?>? Type293 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.EvaluationRunReadRes>? Type294 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.ProjectsInfoRes>? Type294 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.PredictionReadRes>? Type295 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.EvaluationRunReadRes>? Type295 { get; set; }
         /// <summary>
         /// 
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Weave.ScoreReadRes>? Type296 { get; set; }
+        public global::System.Collections.Generic.IList<global::Weave.PredictionReadRes>? Type296 { get; set; }
+        /// <summary>
+        /// 
+        /// </summary>
+        public global::System.Collections.Generic.IList<global::Weave.ScoreReadRes>? Type297 { get; set; }
 
         /// <summary>
         /// 
diff --git a/src/libs/Weave/Generated/Weave.Models.EvalResultsTrial.g.cs b/src/libs/Weave/Generated/Weave.Models.EvalResultsTrial.g.cs
index b7aa12a..748567f 100644
--- a/src/libs/Weave/Generated/Weave.Models.EvalResultsTrial.g.cs
+++ b/src/libs/Weave/Generated/Weave.Models.EvalResultsTrial.g.cs
@@ -51,6 +51,12 @@ public sealed partial class EvalResultsTrial
         [global::System.Text.Json.Serialization.JsonPropertyName("scorer_call_ids")]
         public global::System.Collections.Generic.Dictionary<string, string>? ScorerCallIds { get; set; }
 
+        /// <summary>
+        /// 
+        /// </summary>
+        [global::System.Text.Json.Serialization.JsonPropertyName("genai_span_ref")]
+        public global::Weave.GenAISpanRef? GenaiSpanRef { get; set; }
+
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
         /// </summary>
@@ -67,6 +73,7 @@ public sealed partial class EvalResultsTrial
         /// <param name="modelLatencySeconds"></param>
         /// <param name="totalTokens"></param>
         /// <param name="scorerCallIds"></param>
+        /// <param name="genaiSpanRef"></param>
 #if NET7_0_OR_GREATER
         [global::System.Diagnostics.CodeAnalysis.SetsRequiredMembers]
 #endif
@@ -77,7 +84,8 @@ public EvalResultsTrial(
             object? scores,
             double? modelLatencySeconds,
             int? totalTokens,
-            global::System.Collections.Generic.Dictionary<string, string>? scorerCallIds)
+            global::System.Collections.Generic.Dictionary<string, string>? scorerCallIds,
+            global::Weave.GenAISpanRef? genaiSpanRef)
         {
             this.PredictAndScoreCallId = predictAndScoreCallId ?? throw new global::System.ArgumentNullException(nameof(predictAndScoreCallId));
             this.PredictCallId = predictCallId;
@@ -86,6 +94,7 @@ public EvalResultsTrial(
             this.ModelLatencySeconds = modelLatencySeconds;
             this.TotalTokens = totalTokens;
             this.ScorerCallIds = scorerCallIds;
+            this.GenaiSpanRef = genaiSpanRef;
         }
 
         /// <summary>
diff --git a/src/libs/Weave/Generated/Weave.Models.EvalResultsTrialGenaiSpanRef.Json.g.cs b/src/libs/Weave/Generated/Weave.Models.EvalResultsTrialGenaiSpanRef.Json.g.cs
new file mode 100644
index 0000000..e159b3d
--- /dev/null
+++ b/src/libs/Weave/Generated/Weave.Models.EvalResultsTrialGenaiSpanRef.Json.g.cs
@@ -0,0 +1,92 @@
+#nullable enable
+
+namespace Weave
+{
+    public sealed partial class EvalResultsTrialGenaiSpanRef
+    {
+        /// <summary>
+        /// Serializes the current instance to a JSON string using the provided JsonSerializerContext.
+        /// </summary>
+        public string ToJson(
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return global::System.Text.Json.JsonSerializer.Serialize(
+                this,
+                this.GetType(),
+                jsonSerializerContext);
+        }
+
+        /// <summary>
+        /// Serializes the current instance to a JSON string using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public string ToJson(
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            return global::System.Text.Json.JsonSerializer.Serialize(
+                this,
+                jsonSerializerOptions);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON string using the provided JsonSerializerContext.
+        /// </summary>
+        public static global::Weave.EvalResultsTrialGenaiSpanRef? FromJson(
+            string json,
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return global::System.Text.Json.JsonSerializer.Deserialize(
+                json,
+                typeof(global::Weave.EvalResultsTrialGenaiSpanRef),
+                jsonSerializerContext) as global::Weave.EvalResultsTrialGenaiSpanRef;
+        }
+
+        /// <summary>
+        /// Deserializes a JSON string using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public static global::Weave.EvalResultsTrialGenaiSpanRef? FromJson(
+            string json,
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            return global::System.Text.Json.JsonSerializer.Deserialize<global::Weave.EvalResultsTrialGenaiSpanRef>(
+                json,
+                jsonSerializerOptions);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON stream using the provided JsonSerializerContext.
+        /// </summary>
+        public static async global::System.Threading.Tasks.ValueTask<global::Weave.EvalResultsTrialGenaiSpanRef?> FromJsonStreamAsync(
+            global::System.IO.Stream jsonStream,
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return (await global::System.Text.Json.JsonSerializer.DeserializeAsync(
+                jsonStream,
+                typeof(global::Weave.EvalResultsTrialGenaiSpanRef),
+                jsonSerializerContext).ConfigureAwait(false)) as global::Weave.EvalResultsTrialGenaiSpanRef;
+        }
+
+        /// <summary>
+        /// Deserializes a JSON stream using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public static global::System.Threading.Tasks.ValueTask<global::Weave.EvalResultsTrialGenaiSpanRef?> FromJsonStreamAsync(
+            global::System.IO.Stream jsonStream,
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            return global::System.Text.Json.JsonSerializer.DeserializeAsync<global::Weave.EvalResultsTrialGenaiSpanRef?>(
+                jsonStream,
+                jsonSerializerOptions);
+        }
+    }
+}
diff --git a/src/libs/Weave/Generated/Weave.Models.EvalResultsTrialGenaiSpanRef.g.cs b/src/libs/Weave/Generated/Weave.Models.EvalResultsTrialGenaiSpanRef.g.cs
new file mode 100644
index 0000000..db1e269
--- /dev/null
+++ b/src/libs/Weave/Generated/Weave.Models.EvalResultsTrialGenaiSpanRef.g.cs
@@ -0,0 +1,19 @@
+
+#nullable enable
+
+namespace Weave
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public sealed partial class EvalResultsTrialGenaiSpanRef
+    {
+
+        /// <summary>
+        /// Additional properties that are not explicitly defined in the schema
+        /// </summary>
+        [global::System.Text.Json.Serialization.JsonExtensionData]
+        public global::System.Collections.Generic.IDictionary<string, object> AdditionalProperties { get; set; } = new global::System.Collections.Generic.Dictionary<string, object>();
+
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Weave/Generated/Weave.Models.GenAISpanRef.Json.g.cs b/src/libs/Weave/Generated/Weave.Models.GenAISpanRef.Json.g.cs
new file mode 100644
index 0000000..e2e2e08
--- /dev/null
+++ b/src/libs/Weave/Generated/Weave.Models.GenAISpanRef.Json.g.cs
@@ -0,0 +1,92 @@
+#nullable enable
+
+namespace Weave
+{
+    public sealed partial class GenAISpanRef
+    {
+        /// <summary>
+        /// Serializes the current instance to a JSON string using the provided JsonSerializerContext.
+        /// </summary>
+        public string ToJson(
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return global::System.Text.Json.JsonSerializer.Serialize(
+                this,
+                this.GetType(),
+                jsonSerializerContext);
+        }
+
+        /// <summary>
+        /// Serializes the current instance to a JSON string using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public string ToJson(
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            return global::System.Text.Json.JsonSerializer.Serialize(
+                this,
+                jsonSerializerOptions);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON string using the provided JsonSerializerContext.
+        /// </summary>
+        public static global::Weave.GenAISpanRef? FromJson(
+            string json,
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return global::System.Text.Json.JsonSerializer.Deserialize(
+                json,
+                typeof(global::Weave.GenAISpanRef),
+                jsonSerializerContext) as global::Weave.GenAISpanRef;
+        }
+
+        /// <summary>
+        /// Deserializes a JSON string using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public static global::Weave.GenAISpanRef? FromJson(
+            string json,
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            return global::System.Text.Json.JsonSerializer.Deserialize<global::Weave.GenAISpanRef>(
+                json,
+                jsonSerializerOptions);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON stream using the provided JsonSerializerContext.
+        /// </summary>
+        public static async global::System.Threading.Tasks.ValueTask<global::Weave.GenAISpanRef?> FromJsonStreamAsync(
+            global::System.IO.Stream jsonStream,
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return (await global::System.Text.Json.JsonSerializer.DeserializeAsync(
+                jsonStream,
+                typeof(global::Weave.GenAISpanRef),
+                jsonSerializerContext).ConfigureAwait(false)) as global::Weave.GenAISpanRef;
+        }
+
+        /// <summary>
+        /// Deserializes a JSON stream using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public static global::System.Threading.Tasks.ValueTask<global::Weave.GenAISpanRef?> FromJsonStreamAsync(
+            global::System.IO.Stream jsonStream,
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            return global::System.Text.Json.JsonSerializer.DeserializeAsync<global::Weave.GenAISpanRef?>(
+                jsonStream,
+                jsonSerializerOptions);
+        }
+    }
+}
diff --git a/src/libs/Weave/Generated/Weave.Models.GenAISpanRef.g.cs b/src/libs/Weave/Generated/Weave.Models.GenAISpanRef.g.cs
new file mode 100644
index 0000000..b1eb0e8
--- /dev/null
+++ b/src/libs/Weave/Generated/Weave.Models.GenAISpanRef.g.cs
@@ -0,0 +1,55 @@
+
+#nullable enable
+
+namespace Weave
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public sealed partial class GenAISpanRef
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        [global::System.Text.Json.Serialization.JsonPropertyName("trace_id")]
+        [global::System.Text.Json.Serialization.JsonRequired]
+        public required string TraceId { get; set; }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        [global::System.Text.Json.Serialization.JsonPropertyName("span_id")]
+        [global::System.Text.Json.Serialization.JsonRequired]
+        public required string SpanId { get; set; }
+
+        /// <summary>
+        /// Additional properties that are not explicitly defined in the schema
+        /// </summary>
+        [global::System.Text.Json.Serialization.JsonExtensionData]
+        public global::System.Collections.Generic.IDictionary<string, object> AdditionalProperties { get; set; } = new global::System.Collections.Generic.Dictionary<string, object>();
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="GenAISpanRef" /> class.
+        /// </summary>
+        /// <param name="traceId"></param>
+        /// <param name="spanId"></param>
+#if NET7_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.SetsRequiredMembers]
+#endif
+        public GenAISpanRef(
+            string traceId,
+            string spanId)
+        {
+            this.TraceId = traceId ?? throw new global::System.ArgumentNullException(nameof(traceId));
+            this.SpanId = spanId ?? throw new global::System.ArgumentNullException(nameof(spanId));
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="GenAISpanRef" /> class.
+        /// </summary>
+        public GenAISpanRef()
+        {
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Weave/Generated/Weave.Models.PredictionCreateBody.g.cs b/src/libs/Weave/Generated/Weave.Models.PredictionCreateBody.g.cs
index f53ea4b..f0a8604 100644
--- a/src/libs/Weave/Generated/Weave.Models.PredictionCreateBody.g.cs
+++ b/src/libs/Weave/Generated/Weave.Models.PredictionCreateBody.g.cs
@@ -36,6 +36,12 @@ public sealed partial class PredictionCreateBody
         [global::System.Text.Json.Serialization.JsonPropertyName("evaluation_run_id")]
         public string? EvaluationRunId { get; set; }
 
+        /// <summary>
+        /// Optional GenAI span reference produced by this prediction.
+        /// </summary>
+        [global::System.Text.Json.Serialization.JsonPropertyName("genai_span_ref")]
+        public global::Weave.GenAISpanRef? GenaiSpanRef { get; set; }
+
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
         /// </summary>
@@ -57,6 +63,9 @@ public sealed partial class PredictionCreateBody
         /// <param name="evaluationRunId">
         /// Optional evaluation run ID to link this prediction as a child call
         /// </param>
+        /// <param name="genaiSpanRef">
+        /// Optional GenAI span reference produced by this prediction.
+        /// </param>
 #if NET7_0_OR_GREATER
         [global::System.Diagnostics.CodeAnalysis.SetsRequiredMembers]
 #endif
@@ -64,12 +73,14 @@ public PredictionCreateBody(
             string model,
             object inputs,
             object output,
-            string? evaluationRunId)
+            string? evaluationRunId,
+            global::Weave.GenAISpanRef? genaiSpanRef)
         {
             this.Model = model ?? throw new global::System.ArgumentNullException(nameof(model));
             this.Inputs = inputs ?? throw new global::System.ArgumentNullException(nameof(inputs));
             this.Output = output ?? throw new global::System.ArgumentNullException(nameof(output));
             this.EvaluationRunId = evaluationRunId;
+            this.GenaiSpanRef = genaiSpanRef;
         }
 
         /// <summary>
diff --git a/src/libs/Weave/Generated/Weave.Models.PredictionCreateBodyGenaiSpanRef.Json.g.cs b/src/libs/Weave/Generated/Weave.Models.PredictionCreateBodyGenaiSpanRef.Json.g.cs
new file mode 100644
index 0000000..c12fa1a
--- /dev/null
+++ b/src/libs/Weave/Generated/Weave.Models.PredictionCreateBodyGenaiSpanRef.Json.g.cs
@@ -0,0 +1,92 @@
+#nullable enable
+
+namespace Weave
+{
+    public sealed partial class PredictionCreateBodyGenaiSpanRef
+    {
+        /// <summary>
+        /// Serializes the current instance to a JSON string using the provided JsonSerializerContext.
+        /// </summary>
+        public string ToJson(
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return global::System.Text.Json.JsonSerializer.Serialize(
+                this,
+                this.GetType(),
+                jsonSerializerContext);
+        }
+
+        /// <summary>
+        /// Serializes the current instance to a JSON string using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public string ToJson(
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            return global::System.Text.Json.JsonSerializer.Serialize(
+                this,
+                jsonSerializerOptions);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON string using the provided JsonSerializerContext.
+        /// </summary>
+        public static global::Weave.PredictionCreateBodyGenaiSpanRef? FromJson(
+            string json,
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return global::System.Text.Json.JsonSerializer.Deserialize(
+                json,
+                typeof(global::Weave.PredictionCreateBodyGenaiSpanRef),
+                jsonSerializerContext) as global::Weave.PredictionCreateBodyGenaiSpanRef;
+        }
+
+        /// <summary>
+        /// Deserializes a JSON string using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public static global::Weave.PredictionCreateBodyGenaiSpanRef? FromJson(
+            string json,
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            return global::System.Text.Json.JsonSerializer.Deserialize<global::Weave.PredictionCreateBodyGenaiSpanRef>(
+                json,
+                jsonSerializerOptions);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON stream using the provided JsonSerializerContext.
+        /// </summary>
+        public static async global::System.Threading.Tasks.ValueTask<global::Weave.PredictionCreateBodyGenaiSpanRef?> FromJsonStreamAsync(
+            global::System.IO.Stream jsonStream,
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return (await global::System.Text.Json.JsonSerializer.DeserializeAsync(
+                jsonStream,
+                typeof(global::Weave.PredictionCreateBodyGenaiSpanRef),
+                jsonSerializerContext).ConfigureAwait(false)) as global::Weave.PredictionCreateBodyGenaiSpanRef;
+        }
+
+        /// <summary>
+        /// Deserializes a JSON stream using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public static global::System.Threading.Tasks.ValueTask<global::Weave.PredictionCreateBodyGenaiSpanRef?> FromJsonStreamAsync(
+            global::System.IO.Stream jsonStream,
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            return global::System.Text.Json.JsonSerializer.DeserializeAsync<global::Weave.PredictionCreateBodyGenaiSpanRef?>(
+                jsonStream,
+                jsonSerializerOptions);
+        }
+    }
+}
diff --git a/src/libs/Weave/Generated/Weave.Models.PredictionCreateBodyGenaiSpanRef.g.cs b/src/libs/Weave/Generated/Weave.Models.PredictionCreateBodyGenaiSpanRef.g.cs
new file mode 100644
index 0000000..9fc2f0c
--- /dev/null
+++ b/src/libs/Weave/Generated/Weave.Models.PredictionCreateBodyGenaiSpanRef.g.cs
@@ -0,0 +1,19 @@
+
+#nullable enable
+
+namespace Weave
+{
+    /// <summary>
+    /// Optional GenAI span reference produced by this prediction.
+    /// </summary>
+    public sealed partial class PredictionCreateBodyGenaiSpanRef
+    {
+
+        /// <summary>
+        /// Additional properties that are not explicitly defined in the schema
+        /// </summary>
+        [global::System.Text.Json.Serialization.JsonExtensionData]
+        public global::System.Collections.Generic.IDictionary<string, object> AdditionalProperties { get; set; } = new global::System.Collections.Generic.Dictionary<string, object>();
+
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Weave/Generated/Weave.PredictionsClient.PredictionCreateV2EntityProjectPredictionsPost.g.cs b/src/libs/Weave/Generated/Weave.PredictionsClient.PredictionCreateV2EntityProjectPredictionsPost.g.cs
index eb2e352..de3f9d9 100644
--- a/src/libs/Weave/Generated/Weave.PredictionsClient.PredictionCreateV2EntityProjectPredictionsPost.g.cs
+++ b/src/libs/Weave/Generated/Weave.PredictionsClient.PredictionCreateV2EntityProjectPredictionsPost.g.cs
@@ -511,6 +511,9 @@ partial void ProcessPredictionCreateV2EntityProjectPredictionsPostResponseConten
         /// <param name="evaluationRunId">
         /// Optional evaluation run ID to link this prediction as a child call
         /// </param>
+        /// <param name="genaiSpanRef">
+        /// Optional GenAI span reference produced by this prediction.
+        /// </param>
         /// <param name="requestOptions">Per-request overrides such as headers, query parameters, timeout, retries, and response buffering.</param>
         /// <param name="cancellationToken">The token to cancel the operation with</param>
         /// <exception cref="global::System.InvalidOperationException"></exception>
@@ -521,6 +524,7 @@ partial void ProcessPredictionCreateV2EntityProjectPredictionsPostResponseConten
             object inputs,
             object output,
             string? evaluationRunId = default,
+            global::Weave.GenAISpanRef? genaiSpanRef = default,
             global::Weave.AutoSDKRequestOptions? requestOptions = default,
             global::System.Threading.CancellationToken cancellationToken = default)
         {
@@ -530,6 +534,7 @@ partial void ProcessPredictionCreateV2EntityProjectPredictionsPostResponseConten
                 Inputs = inputs,
                 Output = output,
                 EvaluationRunId = evaluationRunId,
+                GenaiSpanRef = genaiSpanRef,
             };
 
             return await PredictionCreateV2EntityProjectPredictionsPostAsync(
diff --git a/src/libs/Weave/openapi.json b/src/libs/Weave/openapi.json
index ca97e51..6cf7129 100644
--- a/src/libs/Weave/openapi.json
+++ b/src/libs/Weave/openapi.json
@@ -9031,6 +9031,16 @@
             },
             "type": "object",
             "title": "Scorer Call Ids"
+          },
+          "genai_span_ref": {
+            "anyOf": [
+              {
+                "$ref": "#/components/schemas/GenAISpanRef"
+              },
+              {
+                "type": "null"
+              }
+            ]
           }
         },
         "type": "object",
@@ -10527,6 +10537,24 @@
         ],
         "title": "FilesStatsRes"
       },
+      "GenAISpanRef": {
+        "properties": {
+          "trace_id": {
+            "type": "string",
+            "title": "Trace Id"
+          },
+          "span_id": {
+            "type": "string",
+            "title": "Span Id"
+          }
+        },
+        "type": "object",
+        "required": [
+          "trace_id",
+          "span_id"
+        ],
+        "title": "GenAISpanRef"
+      },
       "Geolocation": {
         "properties": {
           "file_index": {
@@ -12750,6 +12778,17 @@
             ],
             "title": "Evaluation Run Id",
             "description": "Optional evaluation run ID to link this prediction as a child call"
+          },
+          "genai_span_ref": {
+            "anyOf": [
+              {
+                "$ref": "#/components/schemas/GenAISpanRef"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "description": "Optional GenAI span reference produced by this prediction."
           }
         },
         "type": "object",