GPT-Live-1 in the API

OpenAI's voice model that can listen and talk at the same time is now available to developers building voice agents, at $0.05 per minute.

The model listens while it speaks, so callers can interrupt the way they would with a person
Hands deeper reasoning and tool calls to a backend model you choose, such as GPT-6 Astra, which is billed separately
Costs $0.05 per minute of voice session, billed per second
Launches with 12 voices across accents, dialects, and languages. Custom voices require contacting OpenAI sales
Takes audio and text in and out, with no image or video. Not available on the free API tier

Phone and in-app voice agents that need natural back-and-forth, including callers cutting in mid-sentence

Your current voice agent feels stiff because it waits for the caller to finish before it can respond.

Developers building customer support, booking, or sales voice agents

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