GPT-Live

OpenAI's third-generation voice system (July 2026): a full-duplex voice model that listens and speaks simultaneously — no turn detector anywhere in the audio path — and consults frontier models (GPT-5.5) over an asynchronous delegation path without interrupting the conversation; replaced Advanced Voice Mode after a silent production shadow test; powers ChatGPT Voice including desktop computer control and agent coordination, with a GPT-Live API announced as upcoming