Grok STT

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 speech-to-text model (grok-stt), announced with the Speech to Text API: transcription in 25 languages, batch and streaming.

Details

ReleasedApril 17, 2026
stated in x.ai

Grok STT was released on April 17, 2026.

  • Official announcement Primary read April 18, 2026 x.ai archived
CompanyxAI
FamilyGrok Voice
Released alongsideGrok TTS
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

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