Merge pull request #1079 from narengogi/fix/anthropic-beta-bedrock

support anthropic_beta as a top level parameter for anthropic on bedr…

Author: VisargD

src/providers/bedrock/chatComplete.ts

@@ -49,13 +49,14 @@ export interface BedrockChatCompletionsParams extends Params {
 }
 
 export interface BedrockConverseAnthropicChatCompletionsParams
-  extends BedrockChatCompletionsParams {
+  extends Omit<BedrockChatCompletionsParams, 'anthropic_beta'> {
   anthropic_version?: string;
   user?: string;
   thinking?: {
     type: string;
     budget_tokens: number;
   };
+  anthropic_beta?: string | string[];
 }
 
 export interface BedrockConverseCohereChatCompletionsParams

src/providers/bedrock/utils.ts

@@ -127,6 +127,15 @@ export const transformAnthropicAdditionalModelRequestFields = (
   if (params['thinking']) {
     additionalModelRequestFields['thinking'] = params['thinking'];
   }
+  if (params['anthropic_beta']) {
+    if (typeof params['anthropic_beta'] === 'string') {
+      additionalModelRequestFields['anthropic_beta'] = [
+        params['anthropic_beta'],
+      ];
+    } else {
+      additionalModelRequestFields['anthropic_beta'] = params['anthropic_beta'];
+    }
+  }
   return additionalModelRequestFields;
 };