diff --git a/tests/v1/entrypoints/openai/responses/conftest.py b/tests/v1/entrypoints/openai/responses/conftest.py
index ad7594a3dd6dd..032ed42f43d1b 100644
--- a/tests/v1/entrypoints/openai/responses/conftest.py
+++ b/tests/v1/entrypoints/openai/responses/conftest.py
@@ -6,7 +6,7 @@ import pytest_asyncio
 from tests.utils import RemoteOpenAIServer
 
 # Use a small reasoning model to test the responses API.
-MODEL_NAME = "Qwen/Qwen3-0.6B"
+MODEL_NAME = "Qwen/Qwen3-1.7B"
 
 
 @pytest.fixture(scope="module")