Grok Voice Think Fast 1.0

xAI · · 6 days after Grok TTS

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 made its voice agent model grok-voice-think-fast-1.0 available through the Speech to Speech API.

Details

ReleasedApril 23, 2026
stated in x.ai

Grok Voice Think Fast 1.0 was released on April 23, 2026.

  • Official announcement Primary read April 23, 2026 x.ai archived
CompanyxAI
FamilyGrok Voice
Lineagebefore Grok Voice Think Fast 2.0
EraAgentic systems
TypeAudio
ModalitiesNot recorded
CapabilitiesNot recorded
WeightsProprietary
LicenceNot applicable — proprietary

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.

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

  1. Grok STT April 17, 2026
  2. Grok TTS April 17, 2026
  3. Grok Voice Think Fast 1.0 April 23, 2026
  4. Grok Voice Think Fast 2.0 July 29, 2026
  5. Grok Voice Transcribe 2.0 September 18, 2026
  6. Grok Voice 3.0 October 14, 2026

Browse models

Compare Grok Voice Think Fast 1.0 with another model →
See Grok Voice Think Fast 1.0 on the interactive timeline →