# OpenAI Launches GPT-Live, a Full-Duplex Voice Model Powering ChatGPT Voice

The models listen and speak simultaneously and delegate hard queries to GPT-5.5 in the background, rolling out globally as the default for ChatGPT Voice.

- Published: 2026-07-09T05:32:14.424Z
- Canonical: https://polylog.news/ai/2026-07-09/openai-launches-gpt-live-a-full-duplex-voice-model-powering
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [OpenAI](https://openai.com/index/introducing-gpt-live), [VentureBeat](https://venturebeat.com/technology/openai-launches-gpt-live-a-full-duplex-voice-upgrade-that-lets-chatgpt-talk-more-like-a-person)

OpenAI released GPT-Live, a pair of voice models called GPT-Live-1 and a smaller GPT-Live-1 mini, now powering ChatGPT Voice for users worldwide on iOS, Android, and the web. The architecture is full-duplex, meaning the model listens and sp…

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