Update app.py

app.py

@@ -65,7 +65,7 @@ class BasicAgent:
                 # Initialize the model
                 print("🤖 Initializing TransformersModel...")
                 self.model = TransformersModel(
-                    model_id="google/gemma-3-12b-it",
+                    model_id="google/gemma-3-4b-it",
                     torch_dtype=torch.bfloat16,
                     device_map="auto",
                 )