SpaceXAI TTS
Mar 2026
SpaceXAI TTSCompare inon
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 →···
28Gradium TTS (Aug 2026)1,15229SpaceXAI TTS1,14930Azure HD 2.51,140Strong at
Alternatives?
ModelScoreCostPriceWhat changes
SCheaperSimba 3.2wins 63%-56%$6.60Languages: loses es-MX, es-ES, fr +16
OpenFish Audio Drama 3 Previewwins 64%same$15
CheaperVoxtral 3 TTSwins 60%-13%$13ICheaperRealtime TTS-2 Flashwins 60%-31%$10.40SCheaperSoniox TTS Real-Time v2wins 54%-5%$14.20ModelScoreCostPriceWhat changes
SSimba 3.2wins 63%-56%$6.60Languages: loses es-MX, es-ES, fr +16Voxtral 3 TTSwins 60%-13%$13IRealtime TTS-2 Flashwins 60%-31%$10.40SSoniox TTS Real-Time v2wins 54%-5%$14.20MFalcon 2same-33%$10Languages: not verifiedModelScoreCostPriceWhat changes
SSimba 3.2wins 63%-56%$6.60Languages: loses es-MX, es-ES, fr +16IRealtime TTS-2 Flashwins 60%-31%$10.40Voxtral 3 TTSwins 60%-13%$13SSoniox TTS Real-Time v2wins 54%-5%$14.20Fish Audio Drama 3 PreviewOpenwins 64%same$15ModelScoreCostPriceWhat changes
Fish Audio Drama 3 PreviewOpenwins 64%same$15BBreeze TTS 2Openwins 60%+127%$34Languages: loses es-MX, es-ES, fr +15+1AMing 3.0 TTSOpenwins 56%——Languages: loses es-MX, es-ES, pt-BR +11Fish Audio S2 ProOpenwins 45%same$15Voice cloning: not verified
Step Audio EditX (Mar 2026)Openwins 43%——Languages: not verified+1FAQ
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 Gradium TTS (Aug 2026)?›
On AA TTS provider voice, SpaceXAI TTS scores 1,149 vs 1,152 — about the same. It is 68% cheaper.
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 Fish Audio Drama 3 Preview.
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), Fish Audio Drama 3 Preview (open weights).