OpenAI launches GPT-Live, a full-duplex voice model that listens and speaks at once

OpenAI 发布 GPT-Live 新一代全双工语音模型

OpenAI launched GPT-Live, a full-duplex voice model that can listen and speak simultaneously, rolling out to ChatGPT users today. It handles backchannels like 'mhmm,' pauses naturally, and delegates search or reasoning tasks to GPT-5.5 in the background while keeping the conversation going. Two versions are live: GPT-Live-1 and GPT-Live-1 mini. In 5–10 minute head-to-head tests, users strongly preferred GPT-Live over Advanced Voice Mode; it also scored higher on GPQA science reasoning and BrowseComp web search evals. API availability is not yet announced—developers can sign up for notifications.

Why it matters: Official OpenAI launch of a next-gen voice model with full-duplex architecture and async GPT-5.5 delegation is a substantive product upgrade, not a minor tweak. Two model variants suggest a deliberate deployment tiering strategy. Score capped below 95 because the excerpt cuts ...