Is StepFun Step 5 Preview free on Nous Portal?

No. StepFun Step 5 Preview is no longer on Nous Portal's free tier.

What is the API model ID for StepFun Step 5 Preview?

Use the model ID "stepfun/step-5-preview:free" with Nous Portal's API at https://inference-api.nousresearch.com/v1.

Standard rate limits (figures not published); Free models only (no monthly credit).

1 000 000 tokens on Nous Portal.

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No Longer Free via Nous Portal

This model is no longer on Nous Portal's free tier. Check the free models below instead, or visit the provider page for current options.

1 000 000 context

stepfun/step-5-preview:free

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