LongCat 2.5 Preview

1 000 000 context

Model ID

meituan/longcat-2.5-preview:free

Use It in Python

from openai import OpenAI

client = OpenAI(
    base_url="https://inference-api.nousresearch.com/v1",
    api_key="YOUR_API_KEY",
)

response = client.chat.completions.create(
    model="meituan/longcat-2.5-preview:free",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

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Free Tier Limits (Nous Portal)

Rate Limit
Standard rate limits (figures not published)
Daily Limit
Free models only (no monthly credit)
Monthly Limit
Free tier: $0/month. A GitHub user reported (14 Sep 2026) that a payment method (Stripe, $0 charge) is required to get a key - verify