Update app.py

app.py

@@ -142,7 +142,7 @@ def generate_response(user_input, science_objectives="", relevant_context="", re
         combined_input = f"User Input: {user_input}\n\nPlease generate a full structured response, including Science Objectives."
     
     response = client.chat.completions.create(
-        model="gpt-4o",
+        model="gpt-4.1",
         messages=[
             {"role": "system", "content": system_message},
             {"role": "user", "content": combined_input}