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OpenAI's GPT-Live-1 Tops Voice Benchmark by Splitting Speech from Reasoning

This story is from 2026-09-15. It is preserved in the archive; the latest stories are on the live feed.

OpenAI's new full-duplex voice model tops the Artificial Analysis Speech-to-Speech Index at 81.5, edging out Grok Voice Think Fast 2.0 by delegating reasoning to a backend text model.

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  1. 2026-09-15 03:14 · AlphaSignal
    OpenAI's GPT-Live-1 Tops Voice Benchmark by Splitting Speech from Reasoning

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