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openai blog · September 10, 2026

OpenAI launches GPT-Live-1 for natural voice experiences

openai releases gpt-live-1 api for building voice-enabled apps with natural full-duplex conversations, allowing developers more control over voice agents. developers can now create more natural voice experiences.

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openai has introduced gpt-live-1 in the api, a powerful natural voice model for building voice-enabled apps and business workflows. gpt-live-1 enables full-duplex conversations, allowing for simultaneous listening and speaking. it also offers improved interruption handling, reasoning and tool calling delegation, tone customization, and long-session reliability. developers can pair gpt-live-1 with backend text models like gpt-6 astra for complex tasks. openai claims gpt-live-1 simplifies voice-agent architecture and reduces voice latency.

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