Model release · xAI

grok-voice-transcribe-2.0

Model released: Sep 18, 2026 · Date only
Review updated: Sep 19, 2026 19:21 Sat · Beijing Time (UTC+8)

Speech-to-text released 2026-09-18; ~2× accuracy vs 1.0 at same price; batch $0.10/hr, streaming $0.20/hr (diarization/timestamps/key terms included); 1.0 to be deprecated in coming weeks.

Availability

xAI Speech-to-Text API (grok-voice-transcribe-2.0; REST / WebSocket; becoming default)

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Source trace

Reviewed by Ailyre. Source evidence is presented separately from our summary.

Introducing Grok Voice Transcribe 2.0

xAI

Source checked: Sep 19, 2026 19:00 Sat · Beijing Time (UTC+8)

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Speech to Text

xAI

Source checked: Sep 19, 2026 19:00 Sat · Beijing Time (UTC+8)

Original ↗View archived evidence ↗

This legacy archive has no reviewed checksum; its body is not published.