Ailyre

Model release · xAI

grok-voice-transcribe-2.0

Released
Review updated

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); The October 2 release notes confirm that 1.0 reached end of life that day; all requests to that slug now route to 2.0 at the same price.

Availability

xAI Speech-to-Text API (grok-voice-transcribe-2.0; REST / WebSocket; requests to 1.0 now route to 2.0)

Source trace

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

Source excerpt

docs.x.ai

Source checked: