diff --git a/app/store/config.ts b/app/store/config.ts
index e837011a9..cb415a044 100644
--- a/app/store/config.ts
+++ b/app/store/config.ts
@@ -30,9 +30,9 @@ export const DEFAULT_CONFIG = {
   dontShowMaskSplashScreen: false, // dont show splash screen when create chat
 
   modelConfig: {
-    model: "gpt-3.5-turbo" as ModelType,
+    model: "gpt-4" as ModelType,
     temperature: 0.5,
-    max_tokens: 2000,
+    max_tokens: 8000,
     presence_penalty: 0,
     sendMemory: true,
     historyMessageCount: 4,