Models

GPT-Live

Model · 3 items since Jul 2026

Part ofOpenAIGPT

Items

  1. Sep 10

    OpenAI's GPT-Live-1 in the API

    A single full-duplex speech-to-speech model that listens and speaks simultaneously and delegates reasoning to a backend model, improving Full Duplex Bench by 30 points over GPT-Realtime-2.1 at $0.05 per minute for the voice layer.

  2. Aug 3

    OpenAI details GPT-Live and the WARP protocol

    OpenAI described the full-duplex architecture behind GPT-Live, with asynchronous delegation to frontier models and context-compaction handoffs, plus an open WebRTC Abridged Roundtrip Protocol that cuts session startup from six network round trips to one.

  3. Jul 8

    OpenAI's GPT-Live full-duplex voice

    A full-duplex voice family (GPT-Live-1 and mini) listens and speaks at once and delegates search or reasoning to a background frontier model, and is now the default engine for ChatGPT Voice.