xAI launches Grok Voice 3.0, tops Artificial Analysis speech index at 86.9

rohanpaul_ai · x · 2026-10-15

xAI released Grok Voice 3.0, a speech-to-speech model that tops Artificial Analysis's Speech-to-Speech Index at 86.9, beating GPT-Live-1 Astra (83.2) and Gemini 3.8 Live (82.6). It scores 71.6% on τ-Voice customer-support tasks at 40% lower latency than GPT-Live-1, hits 97% on Full Duplex Bench for natural turn-taking, achieves 94.8% task success and an Elo of 1070, and ships in the API at the same price as its predecessor with sub-second latency. It already powers millions of daily conversations across Tesla and SpaceX.

Related event: xAI launches Grok Voice 3.0, tops Speech-to-Speech Index(16 posts)→

Original post →

More from Models

Models channel →