Grok Voice STT 1.0

by xAITranscription

Grok Voice STT 1.0 is xAI's speech-to-text model. It supports transcription with word-level timestamps, optional speaker diarization, and multichannel audio.

Context
15K tokens
Max output
15,000 tokens
Released
2026-08-04
Weights
Closed

xai/grok-voice-stt-1-0 · also seen as x-ai/grok-voice-stt-1.0

Specifications

Full facts as recorded, incl. what is unknown.

Released
2026-08-04
Weights
Closed
Input
Audio
Output
Text
Context window
15,000 max across endpoints
Max output
15,000
Providers
0 + 1 gateway, not counted as providers
Epoch Capabilities Index
not evaluated
Direct price range
no comparable direct price
More details
Last updated
2026-08-04
Knowledge cutoff

Capabilities

Across all endpoints: supported if any endpoint supports it.

  • Tool calling
  • Parallel toolsunknown
  • Structured outputunknown
  • Reasoning
  • Image input
  • PDF input
  • Audio input
  • Audio outputunknown
  • Video input
  • Prompt cachingunknown
  • Web searchunknown
  • Computer useunknown
  • System messagesunknown
  • Assistant prefillunknown
  • Temperature
  • Streamingunknown
  • Attachments

Endpoints

One row per provider and variant; gateways are listed separately.

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Cost calculator

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Heads up: prices are indicative list rates scraped from provider pricing pages; verify with the provider before relying on them. Report incorrect data for this model