Fish Audio S2 Pro
Mar 2026
Fish Audio S2 ProCompare inon
Fish Audio S2 Pro measured on 2 of 3 Text to speech benchmarks2
BenchmarkByScoreRank
No benchmark matches
$15per 1M characters
1,113arena Elo
Mar 2026released
en, es, fr +74Languages
Exact native tariff; see source for billing scope.Price covers
Ranking?
Full ranking →···
36Speech 2.6 Turbo1,12037Fish Audio S2 Pro1,11338Speech 02 HD1,111Strong at
Alternatives?
ModelScoreCostPriceWhat changes
SCheaperSimba 3.2wins 68%-56%$6.60Languages: loses es, fr, de +73
OpenStep Audio EditX (Mar 2026)same——Languages: not verified
CheaperVoxtral 3 TTSwins 65%-13%$13Languages: loses en, sv, cy +54ICheaperRealtime TTS-2 Flashwins 64%-31%$10.40SCheaperSoniox TTS Real-Time v2wins 59%-5%$14.20Languages: loses la, yo, my +16ModelScoreCostPriceWhat changes
SSimba 3.2wins 68%-56%$6.60Languages: loses es, fr, de +73Voxtral 3 TTSwins 65%-13%$13Languages: loses en, sv, cy +54IRealtime TTS-2 Flashwins 64%-31%$10.40SSoniox TTS Real-Time v2wins 59%-5%$14.20Languages: loses la, yo, my +16MFalcon 2wins 56%-33%$10Languages: not verifiedModelScoreCostPriceWhat changes
SSimba 3.2wins 68%-56%$6.60Languages: loses es, fr, de +73MFalcon 2wins 56%-33%$10Languages: not verifiedaAsync Flash v1.5wins 54%-33%$10.10Languages: not verifiedIRealtime TTS-2 Flashwins 64%-31%$10.40Voxtral 3 TTSwins 65%-13%$13Languages: loses en, sv, cy +54ModelScoreCostPriceWhat changes
Step Audio EditX (Mar 2026)Opensame——Languages: not verifiedMMaya1Openwins 41%——Languages: not verifiedZZonos v0.1Openwins 34%+33%$20Languages: not verified
VibeVoice 1.5BOpenwins 29%——Languages: loses es, fr, de +72ModelScoreCostPriceWhat changes
Fish Audio Drama 3 PreviewOpenwins 68%same$15Memory (4-bit): not verifiedFish Audio S2.1 Pro (Oct 2026)wins 60%same$15Languages: loses cy, eu, gl +23OpenAudio S1wins 46%same$15Languages: not verifiedOpenAudio S1 MiniOpenwins 40%same$15Languages: loses hi, sv, tr +61+1Fish Audio S1n/a—$15Languages: not verifiedAll Fish Audio models →Run it yourself
estimateFits on✓ 8 GB (phone, laptop) · 8-bit✓ 16 GB · full quality✓ 24 GB GPU · full quality✓ 48 GB GPU · full quality✓ 80 GB GPU · full quality
Licencefish-audio-research-licensecommercial use with conditions
History
2 versionsFAQ
How much does Fish Audio S2 Pro cost?›
$15 per 1M characters.
Is Fish Audio S2 Pro free to use?›
There is no free API; it costs $15 per 1M characters. The weights are open, so you can run it yourself.
How good is Fish Audio S2 Pro, and what is it best at?›
#37 of 96 in Text to speech.
Is Fish Audio S2 Pro better than Speech 2.6 Turbo?›
On AA TTS provider voice, Fish Audio S2 Pro scores 1,113 vs 1,120 — about the same. It is 75% cheaper.
When was Fish Audio S2 Pro released? Is there a newer version?›
Released 2026-03-10. It is the current version in its line.
Is Fish Audio S2 Pro open source?›
Yes, the weights are open (fish-audio-research-license licence).
Can I run Fish Audio S2 Pro locally?›
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
What is Fish Audio S2 Pro?›
Fish Audio S2 Pro is an open-weights speech & voice model from Fish Audio, released Mar 2026.
What are the best alternatives to Fish Audio S2 Pro?›
Simba 3.2 (cheaper), Step Audio EditX (Mar 2026) (open weights).