Update app.py

app.py

@@ -135,7 +135,7 @@ class Relevant_Documents_Agent:
         
         message_to_cli = {"role": "user", "content": prompt}
         response = self.openai_client.chat.completions.create(
-          model="gpt-4",
+          model="gpt-3.5-turbo",
           messages=[message_to_cli]
         )
         return self.extract_action(response.choices[0].message.content)