openai/gpt-oss-120b:free
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key="YOUR_API_KEY",
)
response = client.chat.completions.create(
model="openai/gpt-oss-120b:free",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)Don't have a key yet? See how to get one — no credit card needed for OpenRouter.