Update app.py

app.py

@@ -41,7 +41,7 @@ tools = [
 
 num_outputs = 2000
 conversational_memory = ConversationBufferWindowMemory( memory_key='chat_history', k=5, return_messages=True )
-llm = OpenAI(temperature=0.3, model_name="text-davinci-003",max_tokens=num_outputs)
+llm = OpenAI(temperature=0.5, model_name="gpt-4",max_tokens=num_outputs)
 
 agent_executor = initialize_agent(tools, llm, agent="conversational-react-description", memory=conversational_memory,agent_kwargs={'prefix':PREFIX,'suffix': SUFFIX})