SpaceXAI TTS measured on 2 of 3 Text to speech benchmarks2
BenchmarkByScoreRank
No benchmark matches
$15per 1M characters
1,149arena Elo
Mar 2026released
en, es-MX, es-ES +17Languages
YesVoice cloning
Exact native tariff; see source for billing scope.Price covers
Ranking?
Full ranking →···
16Fish Audio Drama 3 Preview1,05917SpaceXAI TTS1,05718Gradium TTS (Sep 2026)1,055Strong at
Alternatives?
ModelScoreCostPriceWhat changes
SCheaperSimba 3.2wins 54%-56%$6.60Languages: loses es-MX, es-ES, fr +16AOpenMing 3.0 TTSsame——Languages: loses es-MX, es-ES, pt-BR +11ModelScoreCostPriceWhat changes
SSimba 3.2wins 54%-56%$6.60Languages: loses es-MX, es-ES, fr +16ModelScoreCostPriceWhat changes
SSimba 3.2wins 54%-56%$6.60Languages: loses es-MX, es-ES, fr +16ModelScoreCostPriceWhat changes
AMing 3.0 TTSOpensame——Languages: loses es-MX, es-ES, pt-BR +11FAQ
How much does SpaceXAI TTS cost?›
$15 per 1M characters.
Is SpaceXAI TTS free to use?›
There is no free API; it costs $15 per 1M characters.
How good is SpaceXAI TTS, and what is it best at?›
#29 of 96 in Text to speech.
Is SpaceXAI TTS better than Fish Audio Drama 3 Preview?›
On AA TTS controlled voice, SpaceXAI TTS scores 1,057 vs 1,059 — about the same. It is 0% more expensive.
When was SpaceXAI TTS released? Is there a newer version?›
Released 2026-03-16. It is the current version in its line.
Is SpaceXAI TTS open source?›
No, SpaceXAI TTS is a closed model available through an API. The closest open-weights option here is Ming 3.0 TTS.
What is SpaceXAI TTS?›
SpaceXAI TTS is a closed speech & voice model from xAI, released Mar 2026.
What are the best alternatives to SpaceXAI TTS?›
Simba 3.2 (cheaper), Ming 3.0 TTS (open weights).