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AI CLUSTERED EVENT · 10/15/2026

SpaceXAI Grok Voice 3.0 Tops Speech-to-Speech Index at 86.9, Outperforming GPT-Live with Low Latency and High Task Success

3 reports archived2 independent sourcesupdated 10/15/2026, 01:39:39
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SpaceXAI's Grok Voice 3.0 debuts at #1 on the Artificial Analysis Speech-to-Speech Index with a score of 86.9, surpassing GPT-Live-1 and Gemini 3.8 Live. The model achieves the highest task success rate (94.8%) with competitive latency, priced at $0.08 per minute, significantly undercutting major competitors.

LATEST/SpaceXAI's Grok Voice 3.0 debuts at #1 on the Artificial Analysis Speech-to-Speech Index with a score of 86.9, surpassing GPT-Live-1 and Gemini 3.8 Live. The model achieves the highest task success rate (94.8%) with competitive latency, priced at $0.08 per minute, significantly undercutting major competitors.

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Total 3 reports · Latest first
  1. Rohan Paul (@rohanpaul_ai)T2·78 pts
    • Grok Voice 3.0 leads the Speech-to-Speech Index with a score of 86.9, driven by low latency (~0.8s) and competitive pricing.
    • Task success rates on the complex τ-Voice benchmark surged by 15 percentage points to 71.6%, demonstrating improved tool-use capabilities.
    • The model is actively deployed in Tesla vehicles, handling millions of daily hands-free interactions for calendar, email, and booking tasks.
  2. Artificial Analysis (@ArtificialAnlys)T1·78 pts
    • Grok Voice 3.0 debuts at #1 on the Artificial Analysis Speech-to-Speech Index with 86.9 points, leading second-place GPT-Live-1 by ~3.7 points.
    • It achieves the highest task success rate on the board at 94.8% in the Speech Agent Arena, while ranking #3 in preference.
    • Available via SpaceXAI Realtime API at $0.08 per minute, making it ~2.2x cheaper than GPT-Realtime-2.1 High.
  3. Rohan Paul (@rohanpaul_ai)T2·78 pts
    • Grok Voice 3.0 ranks first on the Artificial Analysis Speech-to-Speech Index with a score of 86.9, leading GPT-Live-1 (83.2).
    • Task success rate in the τ-Voice simulated customer service benchmark jumped significantly from 56.5% in Grok Voice 2.0 to 71.6%.
    • Response latency is approximately 0.8 seconds, 40% faster than competitor GPT-Live-1, with lower cost per task ($0.025 vs $0.030).
SpaceXAI Grok Voice 3.0 Tops Speech-to-Speech Index at 86.9, Outperforming GPT-Live with Low Latency and High Task Success | Today for AI