diff --git a/app/lib/.server/llm/stream-text.ts b/app/lib/.server/llm/stream-text.ts
index 760347f..800d23f 100644
--- a/app/lib/.server/llm/stream-text.ts
+++ b/app/lib/.server/llm/stream-text.ts
@@ -30,14 +30,17 @@ export function streamText(messages: Messages, env: Env, options?: StreamingOpti
     const azure = createAzure({
       resourceName: azureResourceName,
       apiKey: azureResourceNameApiKey,
+      headers: {
+        'api_version': '2024-11-20',
+      },
     });
 
     return _streamText({
-      model: azure('gpt-4o'),
-      // model: azure('gpt-4o-2024-08-06'),
+      // model: azure('gpt-4o'),
+      model: azure('gpt-4o-2'),
       system: getSystemPrompt(),
       messages: convertToCoreMessages(messages),
-      maxTokens: 4096,
+      maxTokens: MAX_TOKENS,
       ...options,
     });