xAI releases Grok Voice 3.0
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xAI released Grok Voice 3.0 — a model that answers speech to speech directly without turning speech into text, offered in the Voice Agent API at $0.08 per minute, with existing grok-voice-latest usage switched over automatically
Why it matters
Company-reported figures: an Artificial Analysis speech-to-speech index of 86.9 (GPT-Live-1 83.2, Gemini 3.8 Live 82.6), Full Duplex Bench 97%, and response latency under 1 second. xAI said it is used in Tesla vehicles and for Starlink customer support, where about 70% of roughly 20,000 calls a day are finished without a person
Source — Primary sources first; secondary reports are labelled “Press”
Officialx.aihttps://x.ai/news/grok-voice-3Added in Week 43, 2026 · See that week
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