Update app.py

app.py

@@ -168,9 +168,9 @@ OR
 FINAL: your_precise_answer"""
 
             response = self.client.chat.completions.create(
-                #model="gpt-4o-mini",
-                model ="gpt-5.2-chat-latest",
-                temperature=1,
+                model="gpt-4o-mini",
+                #model ="gpt-5.2-chat-latest",
+                temperature=0,
                 messages=[{"role": "system", "content": "You are a scientific agent. Always use tools to verify facts before answering."},
                           {"role": "user", "content": prompt}]
             )