Update app.py

app.py

@@ -447,7 +447,7 @@ def query_chatgpt_fn(anonymized_query, anonymized_document):
     print(f'Prompt of CHATGPT:\n{query}')
 
     completion = client.chat.completions.create(
-        model="gpt-4-1106-preview",  # Replace with "gpt-4" if available
+        model="gpt-4o-mini-2024-07-18",  # Replace with "gpt-4" if available
         messages=[
             {"role": "system", "content": context_prompt},
             {"role": "user", "content": query},