All tasks / Models
SpaceXAI TTS (AA name)
xAI's text-to-speech API, priced per character and listed alongside the Grok Voice models.
- xAI
- Closed
- Released 16 Mar 2026
Where it ranks
- CText to speechModels · Cloud · 1,146 on Artificial Analysis Speech Arena: Text to Speech (provider voices)
Facts
- Vendor
- xAI
- Family
- xAI Text to Speech
- Released
- 16 Mar 2026
- Weights
- Closed: API and apps only
- License
- proprietary
- API price
- $15 per 1M characters (Official xAI price: $15.00 per 1M characters.)
- Last verified
- 19 Oct 2026
Price from docs.x.ai, 19 Oct 2026.
Benchmark results
| Benchmark | Result | Entry on the leaderboard | As of | Source |
|---|---|---|---|---|
| Artificial Analysis Speech Arena: Text to Speech (provider voices) | 1,146 | SpaceXAI TTSProvider Voice Arena, all categories and accents; rank 27 of 96, 1744 appearances; raw value from the page's embedded data; no last-updated date shown, so as_of = retrieval date. | 19 Oct 2026 | artificialanalysis.ai |
Where you can use it
No tracked tool lists this model yet.