{"schema":"postcutoff/model@1","as_of":"2026-10-14T22:23:00+02:00","url":"https://postcutoff.com/m/grok-voice-3-0/","md":"https://postcutoff.com/m/grok-voice-3-0/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"grok-voice-3-0","name":"Grok Voice 3.0","org":"SpaceXSI","family":"Grok Voice","released":"2026-10-14","status":"current","type":"audio/speech","modality_in":["audio","text"],"modality_out":["audio","text"],"open_weights":false,"model_license":"proprietary","context_window":null,"max_output":null,"knowledge_cutoff":null,"pricing":{"per_minute":0.08,"unit":"USD per minute of audio ($4.80/hr), same as Grok Voice 2.0","source":"https://x.ai/news/grok-voice-3"},"price_line":"$0.08 per minute","access":[{"provider":"xAI / SpaceXSI API (Voice Agent, speech-to-speech)","model_id":"grok-voice-latest","docs":"https://docs.x.ai/developers/model-capabilities/audio/voice-agent"}],"capabilities":[{"name":"Top Artificial Analysis speech-to-speech score","detail":"86.9 on the Artificial Analysis Speech-to-Speech Index (Oct 13, 2026), above GPT-Live-1 (83.2) and Gemini 3.8 Live (82.6); Big Bench Audio 98.5%, τ-Voice 71.6% (vendor-reported).","first":false,"discovered":"launch","source":"https://x.ai/news/grok-voice-3"}],"entry":"2026-10-14-grok-voice-3","notes":"Released 2026-10-14; the grok-voice-latest alias moved to it automatically. No pinned versioned id stated on the launch page. Under-1-second latency claimed.","verified":"2026-10-14","body_md":null,"page_url":"https://postcutoff.com/m/grok-voice-3-0/","standing":{"kind":"speech and audio","newer_count":0,"newer":[],"before":null,"after":null,"weights":"closed","licence":"proprietary","licence_permissive":false,"summary":"Closed weights; access is hosted only."}}