Grok TTS
xAI · · 47 days after Grok 4.20 Multi-agent
Verified
1 of 1 published values traced to a source2 primary sources, 2 archived1 not researched yet
Why this status
Newly added. Sources are not archived and no value has been traced to one yet — run `npm run enrich`.
What these states mean · How records are judged · Has this record changed?
xAI's text-to-speech model (grok-tts). xAI's release notes list the Text-to-Speech API as available in March 2026; the dated announcement of both speech APIs followed on 2026-04-17.
Details
| Released | April 17, 2026 |
|---|---|
| Company | xAI |
| Family | Grok Voice |
| Released alongside | Grok STT |
| Era | Agentic systems |
| Type | Audio |
| Modalities | Not recorded |
| Capabilities | Not recorded |
| Weights | Proprietary |
| Licence | Not applicable — proprietary |
Release timeline
A model has more than one date. The timeline above positions it at its announcement; these are every recorded lifecycle event, each with the source that evidences it.
Current information, elsewhere
This record is a historical one: every figure above is traced to a dated primary source. For what is true today — live pricing, current rankings, availability — these are better maintained than anything here could be.
- Current price and providers OpenRouter ↗
- Current benchmark scores Artificial Analysis ↗
Sources
Record status: verified · confidence 90/100 · 2 of 2 primary
Newly added. Sources are not archived and no value has been traced to one yet — run `npm run enrich`.
Primary means published by the organisation that made the model. Verified records require at least one.
Grok Voice family
- Grok STT April 17, 2026
- Grok TTS April 17, 2026
- Grok Voice Think Fast 1.0 April 23, 2026
- Grok Voice Think Fast 2.0 July 29, 2026
- Grok Voice Transcribe 2.0 September 18, 2026
- Grok Voice 3.0 October 14, 2026
Compare Grok TTS with another model →
See Grok TTS on the interactive timeline →