use gpt-3.5

app.py

@@ -22,8 +22,8 @@ os.environ["OPENAI_API_KEY"] = "sk-cswpdmt5ZvPlDWyTRhNlT3BlbkFJoctMAweaIdBHKpID9
 flag_chroma = True
 
 # Define the LLM chat model
-#model = 'gpt-3.5-turbo'
-model = 'gpt-4'
+model = 'gpt-3.5-turbo'
+#model = 'gpt-4'
 temperature = 0
 llm = ChatOpenAI(temperature=temperature, model=model)