TTS-1 HD
Nov 2023
TTS-1 HDCompare inonAA TTS provider voice
$30per 1M characters
1,102arena Elo
Nov 2023released
Exact native tariff; see source for billing scope.Price covers
Ranking?
Full ranking →···
39Chatterbox HD1,10940TTS-1 HD1,10241Step Audio EditX (Mar 2026)1,099Strong at
Alternatives?
ModelScoreCostPriceWhat changes
CheaperQwen Audio 3.1 TTS Pluswins 76%-36%$19.30SBetterSimba 3.2wins 69%-78%$6.60
OpenFish Audio Drama 3 Previewwins 70%-50%$15CheaperQwen Audio 3.0 TTS Pluswins 72%-36%$19.30
CheaperVoxtral 3 TTSwins 66%-57%$13ModelScoreCostPriceWhat changes
Qwen Audio 3.1 TTS Pluswins 76%-36%$19.30Qwen Audio 3.0 TTS Pluswins 72%-36%$19.30Fish Audio Drama 3 PreviewOpenwins 70%-50%$15SSimba 3.2wins 69%-78%$6.60Voxtral 3 TTSwins 66%-57%$13ModelScoreCostPriceWhat changes
SSimba 3.2wins 69%-78%$6.60SSimba 3.0wins 53%-78%$6.60MFalcon 2wins 57%-67%$10aAsync Flash v1.5wins 55%-66%$10.10IRealtime TTS-2 Flashwins 66%-65%$10.40
Benchmarks
in Speech & VoiceAA TTS provider voice1,102#40
FAQ
How much does TTS-1 HD cost?›
$30 per 1M characters.
Is TTS-1 HD free to use?›
There is no free API; it costs $30 per 1M characters.
How good is TTS-1 HD, and what is it best at?›
#40 of 96 in Text to speech.
Is TTS-1 HD better than Chatterbox HD?›
On AA TTS provider voice, TTS-1 HD scores 1,102 vs 1,109 — about the same. It is 25% cheaper.
When was TTS-1 HD released? Is there a newer version?›
Released 2023-11-06. It is the current version in its line.
Is TTS-1 HD open source?›
No, TTS-1 HD is a closed model available through an API. The closest open-weights option here is Fish Audio Drama 3 Preview.
What is TTS-1 HD?›
TTS-1 HD is a closed speech & voice model from OpenAI, released Nov 2023.
What are the best alternatives to TTS-1 HD?›
Qwen Audio 3.1 TTS Plus (cheaper), Simba 3.2 (better), Fish Audio Drama 3 Preview (open weights).