Grok Voice 3.0 tops Artificial Analysis speech index at 86.9, 40% faster than GPT-Live-1
rohanpaul_ai · x · 2026-10-15
xAI's Grok Voice 3.0 tops Artificial Analysis's Speech-to-Speech Index at 86.9, beating GPT-Live-1 (83.2) and Gemini 3.8 Live (82.6). Key numbers:- τ-Voice tool-use task success jumped from 56.5% (Grok Voice 2.0) to 71.6%; Full Duplex Bench 97%, speech reasoning 98.5%- Speed edge: answers 40% sooner than GPT-Live-1 (0.8s vs 1.34s)- Cheaper: $0.025 per task on Big Bench Audio vs $0.030 for GPT-Live-1 and $0.055 for GPT-Realtime-2.1
Related event: xAI launches Grok Voice 3.0, tops Speech-to-Speech Index(16 posts)→
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