OpenAudio S1 Mini
Jun 2025
OpenAudio S1 MiniCompare inon
OpenAudio S1 Mini measured on 2 of 3 Text to speech benchmarks2
BenchmarkByScoreRank
No benchmark matches
$15per 1M characters
1,044arena Elo
Jun 2025released
en, es, fr +10Languages
Exact native tariff; see source for billing scope.Price covers
Ranking?
Full ranking →···
26Fish Audio S2.1 Pro (Oct 2026)1,01027OpenAudio S1 Mini1,00527Voxtral TTS1,005Strong at
Alternatives?
ModelScoreCostPriceWhat changes
SCheaperSimba 3.2wins 62%-56%$6.60Languages: loses es, fr, de +9AOpenMing 3.0 TTSwins 59%——Languages: loses pt, it, ru +3
CheaperVoxtral 3 TTSwins 59%-13%$13ICheaperRealtime TTS-2 Flashwins 59%-31%$10.40SCheaperSimba 3.0wins 54%-56%$6.60Languages: not verifiedModelScoreCostPriceWhat changes
SSimba 3.2wins 62%-56%$6.60Languages: loses es, fr, de +9Voxtral 3 TTSwins 59%-13%$13IRealtime TTS-2 Flashwins 59%-31%$10.40SSimba 3.0wins 54%-56%$6.60Languages: not verifiedModelScoreCostPriceWhat changes
SSimba 3.2wins 62%-56%$6.60Languages: loses es, fr, de +9SSimba 3.0wins 54%-56%$6.60Languages: not verifiedIRealtime TTS-2 Flashwins 59%-31%$10.40Voxtral 3 TTSwins 59%-13%$13Fish Audio Drama 3 PreviewOpenwins 58%same$15Run it yourself
Fits onhardware needs not verified yet
LicenceCC BY-NC-SA 4.0no commercial use
FAQ
How much does OpenAudio S1 Mini cost?›
$15 per 1M characters.
Is OpenAudio S1 Mini 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 OpenAudio S1 Mini, and what is it best at?›
#68 of 96 in Text to speech.
Is OpenAudio S1 Mini better than Fish Audio S2.1 Pro (Oct 2026)?›
On AA TTS controlled voice, OpenAudio S1 Mini scores 1,005 vs 1,010 — about the same. It is 0% more expensive.
When was OpenAudio S1 Mini released? Is there a newer version?›
Released 2025-06-03. It is the current version in its line.
Is OpenAudio S1 Mini open source?›
Yes, the weights are open (cc-by-nc-sa-4.0 licence).
Can I run OpenAudio S1 Mini locally?›
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
What is OpenAudio S1 Mini?›
OpenAudio S1 Mini is an open-weights speech & voice model from Fish Audio, released Jun 2025.
What are the best alternatives to OpenAudio S1 Mini?›
Simba 3.2 (cheaper), Ming 3.0 TTS (open weights).