Gemini 3.8 Live tops Tau Voice agentic benchmark at 68.6%, up from 37.7%
ArtificialAnlys · x · 2026-09-16
Agentic data from Artificial Analysis: Gemini 3.8 Live Extended Thinking (High) takes #1 on the Tau Voice benchmark at 68.6%, ahead of GPT-Live-1 (Astra) at 67.9% and Grok at 56.5% — up from just 37.7% for the previous generation. The standard model also ranks #2 in Speech Agent Arena preference (Elo 1083) with 93.2% task success.
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