OpenAI puts GPT-Live into ChatGPT Voice

The new full-duplex voice models can listen while speaking, delegate harder work to GPT-5.5 and will come to the API later.

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Primary source: OpenAI

Why it matters

GPT-Live moves ChatGPT Voice from turn-based chat toward a live agent interface, with API access pending and GPT-5.5 handling harder work in the background.

OpenAI puts GPT-Live into ChatGPT Voice — The new full-duplex voice models can listen while speaking, delegate harder work to GPT-5.5 and will come to the API later.

OpenAI launched GPT-Live on July 8th, replacing the core of ChatGPT Voice with a pair of full-duplex voice models designed to listen and speak at the same time.

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