diff --git a/infra/modules/openai/main.tf b/infra/modules/openai/main.tf
index f703076..7204837 100644
--- a/infra/modules/openai/main.tf
+++ b/infra/modules/openai/main.tf
@@ -52,7 +52,7 @@ resource "azurerm_cognitive_deployment" "gpt4" {
 
   scale {
     type     = "Standard"
-    capacity = 40
+    capacity = 20
   }
 }
 
@@ -68,7 +68,7 @@ resource "azurerm_cognitive_deployment" "gpt4_vision" {
 
   scale {
     type     = "Standard"
-    capacity = 40
+    capacity = 20
   }
 }
 
diff --git a/infra/variables.tf b/infra/variables.tf
index 00a4eda..59e6446 100644
--- a/infra/variables.tf
+++ b/infra/variables.tf
@@ -95,7 +95,7 @@ variable "ca_prep_docs_image" {
 }
 
 variable "ca_aihub_image" {
-  default = "ghcr.io/azure/aihub/aihub:1.0.2-preview.19"
+  default = "ghcr.io/azure/aihub/aihub:1.0.2-preview.23"
 }
 
 variable "use_random_suffix" {