Fish Audio S2 Pro vs Fish Audio S2.1 Pro (Oct 2026)
AA TTS provider voice AA TTS provider voice (version unstated): People listen to two voices reading the same text and pick the more natural one
Fish Audio S2 Pro1,113
Fish Audio S2.1 Pro (Oct 2026)1,187
| Benchmark | Fish Audio S2 Pro | Fish Audio S2.1 Pro (Oct 2026) |
|---|---|---|
| AA TTS provider voice | 1,113 | 1,187 |
Specs
| Spec | Fish Audio S2 Pro | Fish Audio S2.1 Pro (Oct 2026) |
|---|---|---|
| Price | !$15 | !$15 |
| Weights | Open | Closed |
| Released | Mar 2026 | Oct 2026 |
| Languages | en, es, fr +74 | en, es, fr +49 |
| Voice cloning | — | Yes |
| Price covers | Exact native tariff; see source for billing scope. | Exact native tariff; see source for billing scope. |
| Memory (4-bit) | 2.7 GB | — |
| Licence | fish-audio-research-license | — |
| Commercial use | Restricted | — |
What breaks when you switch
Fish Audio S2 Pro → Fish Audio S2.1 Pro (Oct 2026)
Languages: loses cy, eu, gl +23
Fish Audio S2.1 Pro (Oct 2026) → Fish Audio S2 Pro