diff --git a/lib/data/service/response_service.dart b/lib/data/service/response_service.dart
index 6212626..18f7b91 100644
--- a/lib/data/service/response_service.dart
+++ b/lib/data/service/response_service.dart
@@ -29,7 +29,7 @@ class ResponseService {
       apiKey: apiKey,
       defaultOptions: const ChatOpenAIOptions(
         temperature: 0.8,
-        model: 'gpt-4',
+        model: 'gpt-4-turbo',
         maxTokens: 200,
       ),
     );