Update app.py

app.py

@@ -68,7 +68,7 @@ class DiseaseDetectionApp:
                 ]
             # Generate completion using ChatGPT model
             response = self.client.chat.completions.create(
-                model="GPT-3",
+                model="GPT-4o",
                 messages=conversation,
                 temperature=0,
                 max_tokens=1000