# Fish Audio: S2.1-Pro Free TTS model at $0 for development and testing (fair-use limits)

> Markdown copy of https://perq.sh/offers/fish-audio-s2-pro-free. Index of every page for agents: https://perq.sh/llms.txt. Search API and MCP server: https://perq.sh/agents.

- Status: live
- Category: Voice & audio
- Offer type: free tier
- Credit value: S2.1-Pro Free TTS model at $0 for development and testing (fair-use limits)
- Eligibility: Fish Audio API users; development and testing
- How to claim: Use the s2.1-pro-free model string with the Fish Audio TTS API endpoint.
- Claim URL: https://docs.fish.audio/developer-guide/models-pricing/models-overview
- Source URL: https://docs.fish.audio/developer-guide/models-pricing/models-overview
- Last verified: 2026-11-07T06:12:02-05:00 (Nov 7, 2026, 6:12 AM ET), HTTP 200
- Notes: Docs: "Free to use under fair-use limits" with no latency guarantees. No end date stated on the vendor page.

> Source quote (verbatim from the source page):
> "Fish Audio S2.1-Pro Free - The same model as S2.1-Pro, available at $0 for development and testing"

Page: https://perq.sh/offers/fish-audio-s2-pro-free