diff --git a/packages/core/src/model-types.ts b/packages/core/src/model-types.ts
index 65d298f1..918f4bb2 100644
--- a/packages/core/src/model-types.ts
+++ b/packages/core/src/model-types.ts
@@ -34,11 +34,20 @@ export type AwsBedrockChatModel = LiteralUnion<
   | 'anthropic--claude-3-opus'
   | 'anthropic--claude-3-sonnet'
   | 'anthropic--claude-3.5-sonnet'
+  | 'amazon--titan-text-express'
+  | 'amazon--titan-text-lite'
+  | 'amazon--nova-pro'
+  | 'amazon--nova-lite'
+  | 'amazon--nova-micro'
 >;
 
 /**
  * AI Core open source models for chat completion.
  */
 export type AiCoreOpenSourceChatModel = LiteralUnion<
-  'mistralai--mixtral-8x7b-instruct-v01' | 'meta--llama3-70b-instruct'
+  | 'mistralai--mixtral-8x7b-instruct-v01'
+  | 'mistralai--mistral-large-instruct'
+  | 'meta--llama3-70b-instruct'
+  | 'meta--llama3.1-70b-instruct'
+  | 'ibm--granite-13b-chat'
 >;