Grok STT 1.0
by xAITranscription
Grok STT is SpaceXAI's speech-to-text model, available via the REST /v1/stt endpoint. It supports transcription with word-level timestamps, optional speaker diarization, and multichannel audio.
- 00
- Released
- 2026-07-23
- Weights
- unknown
xai/grok-stt-1-0 · also seen as x-ai/grok-stt-1.0
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2026-07-23
- Weights
- unknown
- Input
- Audio
- Output
- transcription
- Context window
- max across endpoints
- Max output
- Providers
- 0 + 1 gateway, not counted as providers
- Epoch Capabilities Index
- not evaluated
- Direct price range
- no comparable direct price
More details
- Last updated
- —
- Knowledge cutoff
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool callingunknown
- Parallel toolsunknown
- Structured outputunknown
- Reasoningunknown
- Image inputunknown
- PDF inputunknown
- Audio inputunknown
- Audio outputunknown
- Video inputunknown
- Prompt cachingunknown
- Web searchunknown
- Computer useunknown
- System messagesunknown
- Assistant prefillunknown
- Temperatureunknown
- Streamingunknown
- Attachmentsunknown
Endpoints
One row per provider and variant; gateways are listed separately.
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Cost calculator
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| Model | Released | Context | Listed price |
|---|---|---|---|
| Grok Imagine Video 1.5 Lite | 2026-10-01 | 1K | unpriced |
| Grok 4.7 | 2026-09-21 | 500K | from $1.60 /1M tok |
| Grok 4.6 | 2026-08-12 | 500K | from $2.00 /1M tok |
| Grok Imagine Image 2.0 | 2026-08-07 | 65.5K | unpriced |
| Grok Voice STT 1.0 | 2026-08-04 | 15K | unpriced |
| Grok 4.5 | 2026-07-08 | 500K | from $2.00 /1M tok |
| Grok Imagine Video 1.5 | 2026-05-30 | 1K | unpriced |
| Grok Voice TTS 1.0 | 2026-05-15 | 15K | unpriced |
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