OpenAI brings GPT-Live-1 voice agents to the API with listen-while-speaking capabilities

OpenAIDevs · x · 2026-09-13

OpenAI's developer account announced GPT-Live-1 is now available in the API, letting developers build voice agents that listen while they speak, replicating ChatGPT's natural back-and-forth. Developers can pair it with the models and harness of their choice. The capability powers the 1-800-ChatGPT phone line.

Related event: OpenAI Opens GPT-Live-1 Voice API for Real-Time Speech Agents(2 posts)→

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