Update app.py

app.py

@@ -11,7 +11,7 @@ def predict(message, history):
         history_openai_format.append({"role": "assistant", "content":assistant})
     history_openai_format.append({"role": "user", "content": message})
   
-    response = client.chat.completions.create(model='gpt-3.5-turbo',
+    response = client.chat.completions.create(model='gpt-4-turbo',
     messages= history_openai_format,
     temperature=1.0,
     stream=True)