Files
vLLM/examples/reasoning/openai_responses_client.py
T
Harry MellorandClaude Opus 5 8c1557a79c Add pydocstyle to the ruff rules (#52136)
Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
Signed-off-by: Harry Mellor <hej.mellor@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-09-16 16:44:29 +00:00

44 lines
1.4 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
"""Set up this example by starting a vLLM OpenAI-compatible server.
Reasoning models can be used through the Responses API as seen here
https://platform.openai.com/docs/api-reference/responses
For example:
vllm serve Qwen/Qwen3-8B --reasoning-parser qwen3
"""
from openai import OpenAI
input_messages = [{"role": "user", "content": "What model are you?"}]
def main():
base_url = "http://localhost:8000/v1"
client = OpenAI(base_url=base_url, api_key="empty")
model = "Qwen/Qwen3-8B" # get_first_model(client)
response = client.responses.create(
model=model,
input=input_messages,
)
for message in response.output:
if message.type == "reasoning":
# append reasoning message
input_messages.append(message)
response_2 = client.responses.create(
model=model,
input=input_messages,
)
print(response_2.output_text)
# I am Qwen, a large language model developed by Alibaba Cloud.
# I am designed to assist with a wide range of tasks, including
# answering questions, creating content, coding, and engaging in
# conversations. I can help with various topics and provide
# information or support in multiple languages. How can I assist you today?
if __name__ == "__main__":
main()