$20.20per 1M characters
1,128arena Elo
May 2026released
Exact native tariff; see source for billing scope.Price covers
Ranking?
Full ranking →···
33Speech 2.6 HD1,12934Async Pro v1.01,12835Simba 3.01,121Strong at
Alternatives?
ModelScoreCostPriceWhat changes
CheaperFish Audio Drama 3 PreviewOpenwins 66%-26%$15SBetterSimba 3.2wins 66%-67%$6.60
CheaperVoxtral 3 TTSwins 63%-36%$13ICheaperRealtime TTS-2 Flashwins 62%-49%$10.40VCheaperLuna TTSwins 62%-26%$15ModelScoreCostPriceWhat changes
Fish Audio Drama 3 PreviewOpenwins 66%-26%$15SSimba 3.2wins 66%-67%$6.60Voxtral 3 TTSwins 63%-36%$13IRealtime TTS-2 Flashwins 62%-49%$10.40VLuna TTSwins 62%-26%$15ModelScoreCostPriceWhat changes
SSimba 3.2wins 66%-67%$6.60MFalcon 2wins 54%-50%$10IRealtime TTS-2 Flashwins 62%-49%$10.40Voxtral 3 TTSwins 63%-36%$13SSoniox TTS Real-Time v2wins 57%-30%$14.20ModelScoreCostPriceWhat changes
Fish Audio Drama 3 PreviewOpenwins 66%-26%$15BBreeze TTS 2Openwins 63%+68%$34AMing 3.0 TTSOpenwins 59%——Fish Audio S2 ProOpenwins 48%-26%$15
Step Audio EditX (Mar 2026)Openwins 46%——ModelScoreCostPriceWhat changes
aAsync Flash v1.5same-50%$10.10aAsync Flash v1.0wins 39%-50%$10.10All async models →Benchmarks
in Speech & VoiceAA TTS provider voice1,128#34
FAQ
How much does Async Pro v1.0 cost?›
$20.20 per 1M characters.
Is Async Pro v1.0 free to use?›
There is no free API; it costs $20.20 per 1M characters.
How good is Async Pro v1.0, and what is it best at?›
#34 of 96 in Text to speech.
Is Async Pro v1.0 better than Speech 2.6 HD?›
On AA TTS provider voice, Async Pro v1.0 scores 1,128 vs 1,129 — about the same. It is 80% cheaper.
When was Async Pro v1.0 released? Is there a newer version?›
Released 2026-05-25. It is the current version in its line.
Is Async Pro v1.0 open source?›
No, Async Pro v1.0 is a closed model available through an API. The closest open-weights option here is Fish Audio Drama 3 Preview.
What is Async Pro v1.0?›
Async Pro v1.0 is a closed speech & voice model from async, released May 2026.
What are the best alternatives to Async Pro v1.0?›
Fish Audio Drama 3 Preview (cheaper), Simba 3.2 (better).