Phonic-1: new speech-to-speech AI model tops Artificial Analysis index
Why it matters
Phonic introduced Phonic-1 on 29 October 2026, a speech-to-speech model for agentic voice tasks. It ranks No. 1 on the Artificial Analysis Speech to Speech Index with 87.1, a narrow lead over Grok Voice 3.0 at 86.9. Phonic says it is the only model that can act (call tools) while the caller is still talking, so the answer is ready when they stop; it is trained on 50+ languages and can switch languages mid-conversation with the same voice. Caveat: in Phonic's comparison against real humans, humans still win on naturalness about 60% of the time. Phonic also announced a $27.5M Series A led by First Round, bringing total funding to $31.5M.
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