Update app.py

app.py

@@ -60,7 +60,7 @@ def submit_message(user_token, prompt, prompt_template, temperature, max_tokens,
         return '', [(history[i]['content'], history[i+1]['content']) for i in range(0, len(history)-1, 2)], f"Total tokens used: 0", state
     
     try:
-        completion = openai.ChatCompletion.create(model="gpt-3.5-turbo", messages=system_prompt + history[-context_length*2:] + [prompt_msg], temperature=temperature, max_tokens=max_tokens)
+        completion = openai.ChatCompletion.create(model="gpt-4", messages=system_prompt + history[-context_length*2:] + [prompt_msg], temperature=temperature, max_tokens=max_tokens)
 
         history.append(prompt_msg)
         history.append(completion.choices[0].message.to_dict())