GPT-Live-1
Full-duplex conversational audio from OpenAI
An OpenAI real-time audio model release for full-duplex conversational voice interactions, designed to listen while speaking and support asynchronous reasoning and tool use.
Pricing
Session duration is not rounded up to the next whole minute. Backend model and tool usage is separately priced.
OpenAI's official model documentation explicitly prices GPT-Live 1 voice sessions at $0.05 per minute, billed per second. Backend model and tool usage is billed separately.
Model Intelligence
Recent stories
Grok Voice 3.0 leads Artificial Analysis’s Speech-to-Speech Index with a score of 86.9. It posts 0.81-second first audio, costs $0.08 per minute of input audio, and ranks second on Tau Voice.
GPT-Live-1 combines listening and speech in one real-time model. Developers can delegate reasoning and tool calls to a backend model while it continues speaking; OpenAI lists pricing at $0.05 per minute.
OpenAI says GPT-Live can listen while speaking using continuous audio, async reasoning and tool use, one-round-trip WebRTC startup, and async context compaction. Staff said the rebuilt stack removes a separate turn detector.
OpenAI launched GPT-Live across paid ChatGPT Voice plans, with a free rollout in progress. The model can listen while speaking and delegate search or deeper reasoning asynchronously.