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Fish Audio S2.1 Pro: free voice API through November 30

Try the s2.1-pro-free speech model without a card. Usage is subject to fair use, and the temporary free window runs through November 30, 2026.

Official source checked · 4 Nov 2026

What you get

What you get

A free speech-generation API model for development and evaluation. The paid s2.1-pro model is a separate selection; use s2.1-pro-free explicitly.

Sources and verification

Official pages reviewed on November 4, 2026. Account signup, redemption and generated output were not tested. Original article dated June 23, 2026; currently states an extension through November 30. This is newly listed here, not a new November launch.

Official source 1

Official source 2

BEFORE YOU START

Who can claim this?

Fish Audio account and API key required. No card required for the advertised free route; fair-use and commercial-use conditions apply.

GET STARTED

How to claim

  1. Sign up at Fish Audio and open the developer dashboard.

  2. Create an API key and follow the official text-to-speech quickstart.

  3. Set the model header to s2.1-pro-free and generate a short sample.

  4. Review account limits and data terms before processing longer scripts.

Limits & terms

  • No hard character cap is advertised, but fair use and throttling apply. No SLA or latency guarantee. Requests may be used for model improvement; some commercial scenarios require review. Expiry: provider states through November 30, 2026; exact cutoff timezone is unspecified. AIOffers conservatively hides this listing from the start of November 30 UTC.

We review the provider’s published terms. Account approval and successful redemption depend on the provider.

We link out only to provider/affiliate URLs verified for this specific offer. How compensation works ↗

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