OpenAudio S1
Jun 2025
OpenAudio S1Compare inon
OpenAudio S1 measured on 3 of 3 Text to speech benchmarks3
BenchmarkByScoreRank
Multimodal1
Other2
No benchmark matches
$15per 1M characters
1,085arena Elo
Jun 2025released
Exact native tariff; see source for billing scope.Price covers
Ranking?
Full ranking →Strong at
Alternatives?
ModelScoreCostPriceWhat changes
BetterMiniMax Speech 2.8 [Turbo]wins 52%+300%$60ROpenChatterboxwins 46%+67%$25BetterMiniMax Speech 2.8 [HD]wins 54%+567%$100MOpenMaya1wins 36%——ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
MiniMax Speech 2.8 [Turbo]wins 52%+300%$60MiniMax Speech 2.8 [HD]wins 54%+567%$100Benchmarks
in Speech & VoiceAA TTS controlled voice1,000#30
AA TTS provider voice1,085#49
TTS Arena (v2)1,504#6
FAQ
How much does OpenAudio S1 cost?›
$15 per 1M characters.
Is OpenAudio S1 free to use?›
There is no free API; it costs $15 per 1M characters.
How good is OpenAudio S1, and what is it best at?›
#49 of 96 in Text to speech.
Is OpenAudio S1 better than Eleven Flash v2.5?›
On TTS Arena (v2), OpenAudio S1 scores 1,504 vs 1,505 — about the same. It is 63% cheaper.
When was OpenAudio S1 released? Is there a newer version?›
Released 2025-06-03. It is the current version in its line.
What is OpenAudio S1?›
OpenAudio S1 is a speech & voice model from Fish Audio, released Jun 2025.
What are the best alternatives to OpenAudio S1?›
MiniMax Speech 2.8 [Turbo] (better), Chatterbox (open weights).