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Where step-3.7-flash is free

One row on the list serves step-3.7-flash free: Nous Portal (Hermes Agent). It asks for no card. The provider’s last scheduled probe was on 2026-10-26; its offer is rechecked twice a week. It measures notable: in the upper half of the Artificial Analysis Intelligence Index, below its strong bar.

Every free model · the whole list

Who serves it free

Nous Portal (Hermes Agent)

🧭 Aggregators (one key, many providers) · no card · last probe 2026-10-26 · listed since 2026-09-16

Nous Research’s inference portal with a $0 Free plan for :free models, accessible through an OpenAI-compatible API and Hermes Agent

Provider-wide limits

• Limits, in the vendor’s words: Free models: Usage allowance: amount not published (period not published) per account

Choose the Free plan and use exact :free IDs; they are zero-priced, while metered routes are outside it. Use a portal key with ordinary API clients; the catalog itself is public. The Free plan publishes no card requirement or numerical rate cap.

• Base URL: https://inference-api.nousresearch.com/v1
• Key: NOUS_PORTAL_API_KEY — get one at https://portal.nousresearch.com
• Callable ids: stepfun/step-3.7-flash:free
• What you send may be used to train or improve models unless you turn that off (the vendor’s words).

Rows that listed it before

• Kilo Code — listed 2026-08-11 to 2026-10-12
• Kenari — listed 2026-09-02 to 2026-09-16; the row itself is archived
• Routeway — listed 2026-08-05 to 2026-08-30

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Generated from registry.yaml on 2026-10-27 and re-verified twice a week; every free model on the list is at https://mvalentsev.github.io/awesome-free-ai-coding/models/, and the full list, the Atom feed and the machinery at https://github.com/mvalentsev/awesome-free-ai-coding.

Something wrong or missing? Suggest a service or a change — or read how the list works.