Update app.py

app.py

@@ -16,7 +16,7 @@ def respond(
     """
     For more information on `huggingface_hub` Inference API support, please check the docs: https://huggingface.co/docs/huggingface_hub/v0.22.2/en/guides/inference
     """
-    client = InferenceClient(token=hf_token.token, model="openai/gpt-oss-20b")
+    client = InferenceClient(token=hf_token.token, model="ibm-granite/granite-4.0-h-small")
     
     messages = [{"role": "system", "content": system_message}]
     messages.extend(history)