Models & Releases

OpenAI Releases GPT-Live and GPT-Live-1 mini: Full-Duplex Voice Models That Delegate Deeper Reasoning to GPT-5.5

Today, OpenAI released GPT-Live. It is a new generation of voice models. GPT-Live now powers the ChatGPT Voice experience. The stated goal is natural, real-time conversation with AI. Two versions ship first: GPT-Live-1 and GPT-Live-1 mini. Both roll out to ChatGPT users globally today. TL;DR GPT-Live is a full-duplex voice model family that listens and speaks at once. It delegates search and reasoning to GPT-5.5 while keeping the conversation flowing. GPT-Live-1 and mini were stro

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GPT-Live is a new full-duplex voice model that can listen and speak simultaneously, enabling more natural real-time conversations with AI. Unlike earlier voice systems that processed speech in discrete turns or through separate pipelines, GPT-Live makes interaction decisions many times per second and delegates complex tasks like web search or deep reasoning to a background model while keeping the conversation flowing. Two versions, GPT-Live-1 and GPT-Live-1 mini, have been evaluated as strongly preferred over previous Advanced Voice Mode in human tests measuring conversational flow and naturalness. The models now power the ChatGPT Voice experience and are rolling out to ChatGPT users globally, with API access planned for the future.

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