diff --git a/service/src/chatgpt/index.ts b/service/src/chatgpt/index.ts
index 24434bee..e5d89889 100644
--- a/service/src/chatgpt/index.ts
+++ b/service/src/chatgpt/index.ts
@@ -256,8 +256,9 @@ search result: <search_result>${searchResultContent}</search_result>`,
         }
       }
 
-      // This model does not support setting reasoning effort, so set reasoning to empty object
-      if (model === 'gpt-5.1-chat-latest') {
+      // Models that start with 'gpt' and end with 'chat-latest' (e.g., gpt-5.1-chat-latest, gpt-5.2-chat-latest)
+      // do not support setting reasoning effort, so set reasoning to empty object
+      if (model.startsWith('gpt') && model.endsWith('chat-latest')) {
         reasoning = {}
       }
 
diff --git a/service/src/storage/config.ts b/service/src/storage/config.ts
index a61dc9f6..16b3bd04 100644
--- a/service/src/storage/config.ts
+++ b/service/src/storage/config.ts
@@ -96,7 +96,7 @@ export async function getOriginConfig() {
   }
 
   if (!isNotEmptyString(config.siteConfig.chatModels))
-    config.siteConfig.chatModels = 'gpt-4.1,gpt-4.1-mini,gpt-4.1-nano'
+    config.siteConfig.chatModels = 'gpt-5.2,gpt-5-mini,gpt-5-nano'
   return config
 }