Phonic 1 (High) takes the #1 spot on Tau Voice, our benchmark for agentic performance, at 79.9%, a clear lead of 5.4 points over the next model, GPT-Live-1 (Astra, medium) at 74.5%, Grok Voice 3.0 at 71.6%, Gemini 3.8 Live Extended Thinking (High) at 68.6% and GPT-Live-1 (Sol, low) at 59.3%. Unlike Task Success Rate in our Arena, which reflects shorter live conversations with real people, Tau Voice tests strict policy-following and multi-step tool use in long customer-service tasks.
Phonic 1 tops Tau Voice agentic benchmark at 79.9%
AIArtificial Analysis says Phonic 1 (High) ranks first on Tau Voice with 79.9%, 5.4 points ahead of GPT-Live-1 (Astra, medium) at 74.5%. Grok Voice 3.0 scored 71.6%, Gemini 3.8 Live Extended Thinking (High) 68.6%, and GPT-Live-1 (Sol, low) 59.3%.
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Original title: Phonic 1 (High) takes the #1 spot on Tau Voice, our benchmark for agentic performance, at 79.9%, a clear lead of 5.4 points over the next...