diff --git a/packages/typescript/ai-gemini/src/adapters/live.ts b/packages/typescript/ai-gemini/src/adapters/live.ts
new file mode 100644
index 00000000..42c0f61a
--- /dev/null
+++ b/packages/typescript/ai-gemini/src/adapters/live.ts
@@ -0,0 +1,144 @@
+import { BaseRealtimeAdapter } from '@tanstack/ai/adapters'
+import { Modality } from '@google/genai'
+import { createGeminiClient, getGeminiApiKeyFromEnv } from '../utils'
+import type { GeminiClientConfig} from '../utils';
+import type { GoogleGenAI} from '@google/genai';
+import type { GEMINI_LIVE_MODELS, GeminiLiveAPIVoice } from '../model-meta'
+import type { RealtimeOptions, RealtimeResult } from '@tanstack/ai/src'
+
+/**
+ * Provider-specific options for Gemini Live Api
+ *
+ * @experimental Gemini Live Api is an experimental feature.
+ * @see https://ai.google.dev/gemini-api/docs/live
+ */
+export interface GeminiLiveAPIProviderOptions {
+  /**
+   * Voice configuration for Gemini Live API.
+   * Choose from 6 available voices with different characteristics.
+   */
+  voiceConfig?: {
+    prebuiltVoiceConfig?: {
+      /**
+       * The voice name to use for speech synthesis.
+       * @see https://ai.google.dev/gemini-api/docs/speech-generation#voices
+       */
+      voiceName?: GeminiLiveAPIVoice
+    }
+  }
+}
+
+export interface GeminiLiveAPIConfig extends GeminiClientConfig {}
+
+export type GeminiLiveAPIModel = (typeof GEMINI_LIVE_MODELS)[number]
+
+export class GeminiLiveAPIAdapter<
+  TModel extends GeminiLiveAPIModel
+> extends BaseRealtimeAdapter<TModel, GeminiLiveAPIProviderOptions> {
+  readonly name = 'gemini' as const
+
+  private client: GoogleGenAI
+
+  constructor(config: GeminiLiveAPIConfig, model: TModel) {
+    super(config, model);
+
+    this.client = createGeminiClient(config);
+  }
+
+  /**
+   * Connects to Live API from Gemini Models functionalities.
+   *
+   * @experimental This implementation is experimental and may change.
+   * @see https://ai.google.dev/gemini-api/docs/live
+   */
+  async connectRealtime(
+    options: RealtimeOptions<GeminiLiveAPIProviderOptions>,
+  ): Promise<RealtimeResult> {
+    const { model, modelOptions } = options;
+
+    const voiceConfig = modelOptions?.voiceConfig || {
+      prebuiltVoiceConfig: {
+        voiceName: 'Kore',
+      },
+    }
+
+    const liveSession = await this.client.live.connect({
+      model,
+      config: {
+        responseModalities: [Modality.AUDIO],
+        speechConfig: {
+          voiceConfig,
+          ...(modelOptions?.languageCode && {
+            languageCode: modelOptions.languageCode,
+          }),
+        },
+      },
+      ...(modelOptions?.systemInstruction && {
+        systemInstruction: modelOptions.systemInstruction
+      }),
+      callbacks: {
+        onopen: function() {
+          console.debug('Opened');
+        },
+        onmessage: function(message) {
+          console.debug(message);
+        },
+        onerror: function(e) {
+          console.debug('Error:', e.message);
+        },
+        onclose: function(e) {
+          console.debug('Close:', e.reason);
+        }
+      }
+    });
+
+    liveSession.close();
+
+    return {};
+  }
+}
+
+/**
+ * Creates a Gemini Live API adapter with explicit API key.
+ * Type resolution happens here at the call site.
+ *
+ * @experimental Gemini Live API is an experimental feature and may change.
+ *
+ * @param model - The model name (e.g., 'gemini-live-2.5-flash-native-audio')
+ * @param apiKey - Your Google API key
+ * @param config - Optional additional configuration
+ * @returns Configured Gemini Live API adapter instance with resolved types
+ *
+ */
+export function createGeminiLiveApi<TModel extends GeminiLiveAPIModel>(
+  model: TModel,
+  apiKey: string,
+  config?: Omit<GeminiLiveAPIConfig, 'apiKey'>
+): GeminiLiveAPIAdapter<TModel> {
+  return new GeminiLiveAPIAdapter({ apiKey, ...config }, model);
+}
+
+/**
+ * Creates a Gemini Live API adapter with automatic API key detection from environment variables.
+ * Type resolution happens here at the call site.
+ *
+ * @experimental Gemini Live API is an experimental feature and may change.
+ *
+ * Looks for `GOOGLE_API_KEY` or `GEMINI_API_KEY` in:
+ * - `process.env` (Node.js)
+ * - `window.env` (Browser with injected env)
+ *
+ * @param model - The model name (e.g., 'gemini-live-2.5-flash-native-audio')
+ * @param config - Optional configuration (excluding apiKey which is auto-detected)
+ * @returns Configured Gemini Live API adapter instance with resolved types
+ * @throws Error if GOOGLE_API_KEY or GEMINI_API_KEY is not found in environment
+ *
+ */
+export function geminiLiveAPI<TModel extends GeminiLiveAPIModel>(
+  model: TModel,
+  config?: Omit<GeminiLiveAPIConfig, 'apiKey'>
+) {
+  const apiKey = getGeminiApiKeyFromEnv();
+
+  return createGeminiLiveApi(model, apiKey, config);
+}
diff --git a/packages/typescript/ai-gemini/src/model-meta.ts b/packages/typescript/ai-gemini/src/model-meta.ts
index 5fca6c16..2f91bc15 100644
--- a/packages/typescript/ai-gemini/src/model-meta.ts
+++ b/packages/typescript/ai-gemini/src/model-meta.ts
@@ -26,6 +26,7 @@ interface ModelMeta<TProviderOptions = unknown> {
       | 'structured_output'
       | 'thinking'
       | 'url_context'
+      | 'gemini_live_api'
     >
   }
   max_input_tokens?: number
@@ -76,11 +77,11 @@ const GEMINI_3_PRO = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions &
-    GeminiStructuredOutputOptions &
-    GeminiThinkingOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions &
+  GeminiStructuredOutputOptions &
+  GeminiThinkingOptions
 >
 
 const GEMINI_2_5_PRO = {
@@ -114,11 +115,11 @@ const GEMINI_2_5_PRO = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions &
-    GeminiStructuredOutputOptions &
-    GeminiThinkingOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions &
+  GeminiStructuredOutputOptions &
+  GeminiThinkingOptions
 >
 
 const GEMINI_2_5_PRO_TTS = {
@@ -141,9 +142,9 @@ const GEMINI_2_5_PRO_TTS = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions
 >
 
 const GEMINI_2_5_FLASH = {
@@ -177,11 +178,11 @@ const GEMINI_2_5_FLASH = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions &
-    GeminiStructuredOutputOptions &
-    GeminiThinkingOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions &
+  GeminiStructuredOutputOptions &
+  GeminiThinkingOptions
 >
 
 const GEMINI_2_5_FLASH_PREVIEW = {
@@ -214,11 +215,11 @@ const GEMINI_2_5_FLASH_PREVIEW = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions &
-    GeminiStructuredOutputOptions &
-    GeminiThinkingOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions &
+  GeminiStructuredOutputOptions &
+  GeminiThinkingOptions
 >
 
 const GEMINI_2_5_FLASH_IMAGE = {
@@ -245,47 +246,13 @@ const GEMINI_2_5_FLASH_IMAGE = {
       normal: 0.4,
     },
   },
-} as const satisfies ModelMeta<
-  GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions
->
-/**
-const GEMINI_2_5_FLASH_LIVE = {
-  name: 'gemini-2.5-flash-native-audio-preview-09-2025',
-  max_input_tokens: 141_072,
-  max_output_tokens: 8_192,
-  knowledge_cutoff: '2025-01-01',
-  supports: {
-    input: ['text', 'audio', 'video'],
-    output: ['text', 'audio'],
-    capabilities: [
-      'audio_generation',
-      'file_search',
-      'function_calling',
-      'live_api',
-      'search_grounding',
-      'thinking',
-    ],
-  },
-  pricing: {
-    // todo find this info
-    input: {
-      normal: 0,
-    },
-    output: {
-      normal: 0,
-    },
-  },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
   GeminiSafetyOptions &
   GeminiGenerationConfigOptions &
-  GeminiCachedContentOptions &
-  GeminiThinkingOptions
+  GeminiCachedContentOptions
 >
-*/
+
 const GEMINI_2_5_FLASH_TTS = {
   name: 'gemini-2.5-flash-preview-tts',
   max_input_tokens: 8_192,
@@ -306,9 +273,9 @@ const GEMINI_2_5_FLASH_TTS = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions
 >
 
 const GEMINI_2_5_FLASH_LITE = {
@@ -341,11 +308,11 @@ const GEMINI_2_5_FLASH_LITE = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions &
-    GeminiStructuredOutputOptions &
-    GeminiThinkingOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions &
+  GeminiStructuredOutputOptions &
+  GeminiThinkingOptions
 >
 
 const GEMINI_2_5_FLASH_LITE_PREVIEW = {
@@ -377,13 +344,44 @@ const GEMINI_2_5_FLASH_LITE_PREVIEW = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions &
-    GeminiStructuredOutputOptions &
-    GeminiThinkingOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions &
+  GeminiStructuredOutputOptions &
+  GeminiThinkingOptions
 >
 
+export const GEMINI_2_5_FLASH_NATIVE_AUDIO = {
+  name: 'gemini-2.5-flash-native-audio-preview-12-2025',
+  max_input_tokens: 131_072,
+  max_output_tokens: 8_192,
+  supports: {
+    input: ['text', 'image', 'audio', 'video'],
+    output: ['text', 'audio'],
+    capabilities: [
+      'function_calling',
+      'search_grounding',
+      'gemini_live_api'
+    ],
+  },
+  pricing: {
+    input: {
+      normal: 0.5
+    },
+    output: {
+      normal: 2
+    },
+  }
+} as const satisfies ModelMeta<
+  GeminiToolConfigOptions &
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions &
+  GeminiStructuredOutputOptions &
+  GeminiThinkingOptions
+>
+
+
 const GEMINI_2_FLASH = {
   name: 'gemini-2.0-flash',
   max_input_tokens: 1_048_576,
@@ -413,10 +411,10 @@ const GEMINI_2_FLASH = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions &
-    GeminiStructuredOutputOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions &
+  GeminiStructuredOutputOptions
 >
 
 const GEMINI_2_FLASH_IMAGE = {
@@ -444,11 +442,11 @@ const GEMINI_2_FLASH_IMAGE = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions
 >
-/* 
+/*
 const GEMINI_2_FLASH_LIVE = {
   name: 'gemini-2.0-flash-live-001',
   max_input_tokens: 1_048_576,
@@ -508,10 +506,10 @@ const GEMINI_2_FLASH_LITE = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions &
-    GeminiStructuredOutputOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions &
+  GeminiStructuredOutputOptions
 >
 
 const IMAGEN_4_GENERATE = {
@@ -532,9 +530,9 @@ const IMAGEN_4_GENERATE = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions
 >
 
 const IMAGEN_4_GENERATE_ULTRA = {
@@ -555,9 +553,9 @@ const IMAGEN_4_GENERATE_ULTRA = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions
 >
 
 const IMAGEN_4_GENERATE_FAST = {
@@ -578,9 +576,9 @@ const IMAGEN_4_GENERATE_FAST = {
   },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions
+  GeminiSafetyOptions &
+  GeminiGenerationConfigOptions &
+  GeminiCachedContentOptions
 >
 
 const IMAGEN_3 = {
@@ -598,126 +596,126 @@ const IMAGEN_3 = {
       normal: 0.03,
     },
   },
-} as const satisfies ModelMeta<
-  GeminiToolConfigOptions &
-    GeminiSafetyOptions &
-    GeminiGenerationConfigOptions &
-    GeminiCachedContentOptions
->
-/** 
-const VEO_3_1_PREVIEW = {
-  name: 'veo-3.1-generate-preview',
-  max_input_tokens: 1024,
-  max_output_tokens: 1,
-  supports: {
-    input: ['text', 'image'],
-    output: ['video', 'audio'],
-  },
-  pricing: {
-    input: {
-      normal: 0,
-    },
-    output: {
-      normal: 0.4,
-    },
-  },
-} as const satisfies ModelMeta<
-  GeminiToolConfigOptions &
-  GeminiSafetyOptions &
-  GeminiGenerationConfigOptions &
-  GeminiCachedContentOptions
->
-
-const VEO_3_1_FAST_PREVIEW = {
-  name: 'veo-3.1-fast-generate-preview',
-  max_input_tokens: 1024,
-  max_output_tokens: 1,
-  supports: {
-    input: ['text', 'image'],
-    output: ['video', 'audio'],
-  },
-  pricing: {
-    input: {
-      normal: 0,
-    },
-    output: {
-      normal: 0.15,
-    },
-  },
 } as const satisfies ModelMeta<
   GeminiToolConfigOptions &
   GeminiSafetyOptions &
   GeminiGenerationConfigOptions &
   GeminiCachedContentOptions
 >
-
-const VEO_3 = {
-  name: 'veo-3.0-generate-001',
-  max_input_tokens: 1024,
-  max_output_tokens: 1,
-  supports: {
-    input: ['text', 'image'],
-    output: ['video', 'audio'],
-  },
-  pricing: {
-    input: {
-      normal: 0,
-    },
-    output: {
-      normal: 0.4,
-    },
-  },
-} as const satisfies ModelMeta<
-  GeminiToolConfigOptions &
-  GeminiSafetyOptions &
-  GeminiGenerationConfigOptions &
-  GeminiCachedContentOptions
->
-
-const VEO_3_FAST = {
-  name: 'veo-3.0-fast-generate-001',
-  max_input_tokens: 1024,
-  max_output_tokens: 1,
-  supports: {
-    input: ['text', 'image'],
-    output: ['video', 'audio'],
-  },
-  pricing: {
-    input: {
-      normal: 0,
-    },
-    output: {
-      normal: 0.15,
-    },
-  },
-} as const satisfies ModelMeta<
-  GeminiToolConfigOptions &
-  GeminiSafetyOptions &
-  GeminiGenerationConfigOptions &
-  GeminiCachedContentOptions
->
-
-const VEO_2 = {
-  name: 'veo-2.0-generate-001',
-  max_output_tokens: 2,
-  supports: {
-    input: ['text', 'image'],
-    output: ['video'],
-  },
-  pricing: {
-    input: {
-      normal: 0,
-    },
-    output: {
-      normal: 0.35,
-    },
-  },
-} as const satisfies ModelMeta<
-  GeminiToolConfigOptions &
-  GeminiSafetyOptions &
-  GeminiGenerationConfigOptions &
-  GeminiCachedContentOptions
-> */
+/**
+ const VEO_3_1_PREVIEW = {
+ name: 'veo-3.1-generate-preview',
+ max_input_tokens: 1024,
+ max_output_tokens: 1,
+ supports: {
+ input: ['text', 'image'],
+ output: ['video', 'audio'],
+ },
+ pricing: {
+ input: {
+ normal: 0,
+ },
+ output: {
+ normal: 0.4,
+ },
+ },
+ } as const satisfies ModelMeta<
+ GeminiToolConfigOptions &
+ GeminiSafetyOptions &
+ GeminiGenerationConfigOptions &
+ GeminiCachedContentOptions
+ >
+
+ const VEO_3_1_FAST_PREVIEW = {
+ name: 'veo-3.1-fast-generate-preview',
+ max_input_tokens: 1024,
+ max_output_tokens: 1,
+ supports: {
+ input: ['text', 'image'],
+ output: ['video', 'audio'],
+ },
+ pricing: {
+ input: {
+ normal: 0,
+ },
+ output: {
+ normal: 0.15,
+ },
+ },
+ } as const satisfies ModelMeta<
+ GeminiToolConfigOptions &
+ GeminiSafetyOptions &
+ GeminiGenerationConfigOptions &
+ GeminiCachedContentOptions
+ >
+
+ const VEO_3 = {
+ name: 'veo-3.0-generate-001',
+ max_input_tokens: 1024,
+ max_output_tokens: 1,
+ supports: {
+ input: ['text', 'image'],
+ output: ['video', 'audio'],
+ },
+ pricing: {
+ input: {
+ normal: 0,
+ },
+ output: {
+ normal: 0.4,
+ },
+ },
+ } as const satisfies ModelMeta<
+ GeminiToolConfigOptions &
+ GeminiSafetyOptions &
+ GeminiGenerationConfigOptions &
+ GeminiCachedContentOptions
+ >
+
+ const VEO_3_FAST = {
+ name: 'veo-3.0-fast-generate-001',
+ max_input_tokens: 1024,
+ max_output_tokens: 1,
+ supports: {
+ input: ['text', 'image'],
+ output: ['video', 'audio'],
+ },
+ pricing: {
+ input: {
+ normal: 0,
+ },
+ output: {
+ normal: 0.15,
+ },
+ },
+ } as const satisfies ModelMeta<
+ GeminiToolConfigOptions &
+ GeminiSafetyOptions &
+ GeminiGenerationConfigOptions &
+ GeminiCachedContentOptions
+ >
+
+ const VEO_2 = {
+ name: 'veo-2.0-generate-001',
+ max_output_tokens: 2,
+ supports: {
+ input: ['text', 'image'],
+ output: ['video'],
+ },
+ pricing: {
+ input: {
+ normal: 0,
+ },
+ output: {
+ normal: 0.35,
+ },
+ },
+ } as const satisfies ModelMeta<
+ GeminiToolConfigOptions &
+ GeminiSafetyOptions &
+ GeminiGenerationConfigOptions &
+ GeminiCachedContentOptions
+ > */
 
 /* const GEMINI_MODEL_META = {
   [GEMINI_3_PRO.name]: GEMINI_3_PRO,
@@ -769,6 +767,28 @@ export const GEMINI_IMAGE_MODELS = [
   IMAGEN_4_GENERATE_ULTRA.name,
 ] as const
 
+/**
+ * Live model
+ * @experimental Gemini Live API is an experimental feature and may change.
+ */
+export const GEMINI_LIVE_MODELS = [
+  GEMINI_2_5_FLASH_NATIVE_AUDIO.name
+] as const;
+
+/**
+ * Available voice names for Gemini TTS
+ * @see https://ai.google.dev/gemini-api/docs/speech-generation
+ */
+export const GEMINI_LIVE_VOICES = [
+  'Zephyr',
+  'Puck',
+  'Charon',
+  'Kore',
+  'Fenrir'
+] as const;
+
+export type GeminiLiveAPIVoice = (typeof GEMINI_LIVE_VOICES)[number]
+
 /**
  * Text-to-speech models
  * @experimental Gemini TTS is an experimental feature and may change.
@@ -871,6 +891,11 @@ export type GeminiChatModelProviderOptionsByName = {
     GeminiCachedContentOptions &
     GeminiStructuredOutputOptions &
     GeminiThinkingOptions
+  [GEMINI_2_5_FLASH_NATIVE_AUDIO.name]: GeminiToolConfigOptions &
+    GeminiSafetyOptions &
+    GeminiGenerationConfigOptions &
+    GeminiCachedContentOptions &
+    GeminiStructuredOutputOptions
   // Models with structured output but no thinking support
   [GEMINI_2_FLASH.name]: GeminiToolConfigOptions &
     GeminiSafetyOptions &
@@ -909,4 +934,5 @@ export type GeminiModelInputModalitiesByName = {
   [GEMINI_2_5_FLASH_PREVIEW.name]: typeof GEMINI_2_5_FLASH_PREVIEW.supports.input
   [GEMINI_2_FLASH.name]: typeof GEMINI_2_FLASH.supports.input
   [GEMINI_2_FLASH_LITE.name]: typeof GEMINI_2_FLASH_LITE.supports.input
+  [GEMINI_2_5_FLASH_NATIVE_AUDIO.name]: typeof GEMINI_2_5_FLASH_NATIVE_AUDIO.supports.input
 }
diff --git a/packages/typescript/ai/src/activities/connectRealtime/adapter.ts b/packages/typescript/ai/src/activities/connectRealtime/adapter.ts
new file mode 100644
index 00000000..6177014b
--- /dev/null
+++ b/packages/typescript/ai/src/activities/connectRealtime/adapter.ts
@@ -0,0 +1,82 @@
+import type { RealtimeOptions, RealtimeResult } from '../../types'
+
+/**
+ * Configuration for Realtime adapter instances
+ */
+export interface RealtimeAdapterConfig {
+  apiKey?: string;
+  baseUrl?: string;
+  timeout?: number;
+  maxRetries?: number;
+  headers?: Record<string, string>
+}
+
+/**
+ * Realtime adapter interface with pre-resolved generics.
+ *
+ * An adapter is created by a provider function: `provider('model')` → `adapter`
+ * All type resolution happens at the provider call site, not in this interface.
+ *
+ * Generic parameters:
+ * - TModel: The specific model name (e.g., 'realtime-1')
+ * - TProviderOptions: Provider-specific options (already resolved)
+ */
+export interface RealtimeAdapter<
+  TModel extends string = string,
+  TProviderOptions extends object = Record<string, unknown>
+> {
+  /** Discriminator for adapter kind - used to determine API shape */
+  readonly kind: 'realtime'
+  /** Adapter name identifier */
+  readonly name: string
+  /** The model this adapter is configured for */
+  readonly model: TModel
+
+  /**
+   * @internal Type-only properties for inference. Not assigned at runtime.
+   */
+  '~types': {
+    providerOptions: TProviderOptions
+  }
+
+  /**
+   * Connect to Realtime
+   */
+  connectRealtime: (options: RealtimeOptions<TProviderOptions>) => Promise<RealtimeResult>
+}
+
+export type AnyRealtimeAdapter = RealtimeAdapter<any, any>
+
+/**
+ * Abstract base class for Realtime adapters.
+ * Extend this class to implement a Realtime adapter for a specific provider.
+ *
+ * Generic parameters match RealtimeAdapter - all pre-resolved by the provider function.
+ */
+export abstract class BaseRealtimeAdapter<
+  TModel extends string = string,
+  TProviderOptions extends object = Record<string, unknown>
+> implements RealtimeAdapter<TModel, TProviderOptions> {
+  readonly kind = 'realtime' as const
+  abstract readonly name: string
+  readonly model: TModel
+
+  declare '~types': {
+    providerOptions: TProviderOptions
+  }
+
+  protected config: RealtimeAdapterConfig
+
+  constructor(config: RealtimeAdapterConfig = {}, model: TModel) {
+    this.config = config
+    this.model = model
+  }
+
+  abstract connectRealtime(
+    options: RealtimeOptions<TProviderOptions>
+  ): Promise<RealtimeResult>
+
+  protected generateId(): string {
+    return `${this.name}-${Date.now()}-${Math.random().toString(36).substring(7)}`
+  }
+}
diff --git a/packages/typescript/ai/src/activities/connectRealtime/index.ts b/packages/typescript/ai/src/activities/connectRealtime/index.ts
new file mode 100644
index 00000000..5114c128
--- /dev/null
+++ b/packages/typescript/ai/src/activities/connectRealtime/index.ts
@@ -0,0 +1,96 @@
+/**
+ * Realtime Activity
+ *
+ * Creates connection with Realtime models.
+ * This is a self-contained module with implementation, types, and JSDoc.
+ */
+
+import type {
+  RealtimeAdapter,
+} from './adapter'
+import type { RealtimeResult } from '../../types'
+
+// ===========================
+// Activity Kind
+// ===========================
+
+/** The adapter kind this activity handles */
+export const kind = 'realtime' as const
+
+// ===========================
+// Type Extraction Helpers
+// ===========================
+
+/**
+ * Extract provider options from a RealtimeAdapter via ~types.
+ */
+export type RealtimeProviderOptions<TAdapter> =
+  TAdapter extends RealtimeAdapter<any, any>
+    ? TAdapter['~types']['providerOptions']
+    : object
+
+// ===========================
+// Activity Options Type
+// ===========================
+
+/**
+ * Options for the Realtime activity.
+ * The model is extracted from the adapter's model property.
+ *
+ * @template TAdapter - The Realtime adapter type
+ */
+export interface RealtimeActivityOptions<
+  TAdapter extends RealtimeAdapter<string, object>,
+> {
+  /** The Live API adapter to use (must be created with a model) */
+  adapter: TAdapter & { kind: typeof kind }
+  /** The voice to use for generation */
+  voice?: string
+  /** The output audio format */
+  format?: 'mp3' | 'opus' | 'aac' | 'flac' | 'wav' | 'pcm'
+  /** Provider-specific options for Live API connection */
+  modelOptions?: RealtimeProviderOptions<TAdapter>
+}
+
+// ===========================
+// Activity Result Type
+// ===========================
+
+/** Result type for the Live API activity */
+export type RealtimeActivityResult = Promise<RealtimeResult>
+
+// ===========================
+// Activity Implementation
+// ===========================
+
+/**
+ * Live API activity - connects to Live API
+ *
+ * Uses AI Live API models functionalities for speech-to-speech real-time conversations.
+ *
+ */
+export async function connectRealtime<
+  TAdapter extends RealtimeAdapter<string, object>,
+>(options: RealtimeActivityOptions<TAdapter>): RealtimeActivityResult {
+  const { adapter, ...rest } = options;
+  const model = adapter.model;
+
+  return adapter.connectRealtime({ ...rest, model });
+}
+
+// ===========================
+// Options Factory
+// ===========================
+
+/**
+ * Create typed options for the connectLive() function without executing.
+ */
+export function createRealtimeOptions<
+  TAdapter extends RealtimeAdapter<string, object>,
+>(options: RealtimeActivityOptions<TAdapter>): RealtimeActivityOptions<TAdapter> {
+  return options
+}
+
+// Re-export adapter types
+export type { RealtimeAdapter, RealtimeAdapterConfig, AnyRealtimeAdapter } from './adapter';
+export { BaseRealtimeAdapter } from './adapter'
diff --git a/packages/typescript/ai/src/activities/index.ts b/packages/typescript/ai/src/activities/index.ts
index 521675a7..05b5505d 100644
--- a/packages/typescript/ai/src/activities/index.ts
+++ b/packages/typescript/ai/src/activities/index.ts
@@ -20,6 +20,7 @@ import type { AnyImageAdapter } from './generateImage/adapter'
 import type { AnyVideoAdapter } from './generateVideo/adapter'
 import type { AnyTTSAdapter } from './generateSpeech/adapter'
 import type { AnyTranscriptionAdapter } from './generateTranscription/adapter'
+import type { AnyRealtimeAdapter } from './connectRealtime'
 
 // ===========================
 // Chat Activity
@@ -141,6 +142,25 @@ export {
   type AnyTranscriptionAdapter,
 } from './generateTranscription/adapter'
 
+// ===========================
+// Live API Activity
+// ===========================
+
+export {
+  kind as realtime,
+  connectRealtime,
+  type RealtimeActivityOptions,
+  type RealtimeActivityResult,
+  type RealtimeProviderOptions,
+} from './connectRealtime/index'
+
+export {
+  BaseRealtimeAdapter,
+  type RealtimeAdapter,
+  type RealtimeAdapterConfig,
+  type AnyRealtimeAdapter,
+} from './connectRealtime/adapter'
+
 // ===========================
 // Adapter Union Types
 // ===========================
@@ -153,6 +173,7 @@ export type AIAdapter =
   | AnyVideoAdapter
   | AnyTTSAdapter
   | AnyTranscriptionAdapter
+  | AnyRealtimeAdapter
 
 /** Union type of all adapter kinds */
 export type AdapterKind =
@@ -162,3 +183,4 @@ export type AdapterKind =
   | 'video'
   | 'tts'
   | 'transcription'
+  | 'realtime'
diff --git a/packages/typescript/ai/src/types.ts b/packages/typescript/ai/src/types.ts
index 9df621c6..bd91c982 100644
--- a/packages/typescript/ai/src/types.ts
+++ b/packages/typescript/ai/src/types.ts
@@ -1028,3 +1028,32 @@ export interface DefaultMessageMetadataByModality {
   video: unknown
   document: unknown
 }
+
+// ============================================================================
+// Live API Types
+// ============================================================================
+export interface RealtimeOptions<TProviderOptions extends object = object> {
+  /** The model to use for Realtime generation */
+  model: string
+  /** The voice to use for generation */
+  voice?: string
+  /** The output audio format */
+  format?: 'mp3' | 'opus' | 'aac' | 'flac' | 'wav' | 'pcm'
+  /** Model-specific options for Realtime generation */
+  modelOptions?: TProviderOptions
+}
+
+export interface RealtimeResult {
+  /** Unique identifier for the generation */
+  id: string
+  /** Model used for generation */
+  model: string
+  /** Base64-encoded audio data */
+  audio: string
+  /** Audio format of the generated audio */
+  format: string
+  /** Duration of the audio in seconds, if available */
+  duration?: number
+  /** Content type of the audio (e.g., 'audio/mp3') */
+  contentType?: string
+}