Fish Audio S1
Oct 2025
Fish Audio S1Compare inonAA TTS controlled voice
$15per 1M characters
983arena Elo
Oct 2025released
Exact native tariff; see source for billing scope.Price covers
Alternatives?
ModelScoreCostPriceWhat changes
SCheaperSimba 3.2wins 65%-56%$6.60AOpenMing 3.0 TTSwins 62%——
CheaperVoxtral 3 TTSwins 62%-13%$13ICheaperRealtime TTS-2 Flashwins 62%-31%$10.40SCheaperSimba 3.0wins 58%-56%$6.60ModelScoreCostPriceWhat changes
SSimba 3.2wins 65%-56%$6.60Voxtral 3 TTSwins 62%-13%$13IRealtime TTS-2 Flashwins 62%-31%$10.40SSimba 3.0wins 58%-56%$6.60SSoniox TTS Real-Time v2wins 44%-5%$14.20ModelScoreCostPriceWhat changes
SSimba 3.2wins 65%-56%$6.60SSimba 3.0wins 58%-56%$6.60IRealtime TTS-2 Flashwins 62%-31%$10.40Voxtral 3 TTSwins 62%-13%$13Fish Audio Drama 3 PreviewOpenwins 61%same$15Benchmarks
in Speech & VoiceAA TTS controlled voice983#33
FAQ
How much does Fish Audio S1 cost?›
$15 per 1M characters.
Is Fish Audio S1 free to use?›
There is no free API; it costs $15 per 1M characters.
How good is Fish Audio S1, and what is it best at?›
#33 of 44 in Text to speech.
Is Fish Audio S1 better than Flash v2.5?›
On AA TTS controlled voice, Fish Audio S1 scores 983 vs 987 — about the same. It is 70% cheaper.
When was Fish Audio S1 released? Is there a newer version?›
Released 2025-10-20. It is the current version in its line.
Is Fish Audio S1 open source?›
No, Fish Audio S1 is a closed model available through an API. The closest open-weights option here is Ming 3.0 TTS.
What is Fish Audio S1?›
Fish Audio S1 is a closed speech & voice model from Fish Audio, released Oct 2025.
What are the best alternatives to Fish Audio S1?›
Simba 3.2 (cheaper), Ming 3.0 TTS (open weights).