OpenAI has unveiled GPT-Live, a next-generation voice model that redefines how humans interact with AI through speech. Unlike traditional voice assistants that operate in rigid turn-based exchanges, GPT-Live employs a full-duplex design, allowing it to listen and speak simultaneously. This breakthrough enables users to interrupt, pause, or shift the conversation naturally, making interactions feel more like a human dialogue than a command-line interface.
The model powers the latest ChatGPT Voice experience and is available in two versions: GPT-Live-1 for paid subscribers and GPT-Live-1 mini for free users. Both are rolling out globally on ChatGPT.com and mobile apps for iOS and Android. A key feature is that voice conversations remain integrated with the text interface, so users can follow responses in writing and switch seamlessly between typing and speaking.
GPT-Live also supports advanced capabilities such as web search, memory, and image processing within the same conversation. However, video and screen sharing are not yet supported in this mode—those features remain available through the older Advanced Voice option for eligible users.
Another significant innovation is GPT-Live’s ability to hand off complex tasks to backend models. While the voice model manages the conversation flow, a separate reasoning agent can handle intensive computations or use connected tools. For example, an assistant can continue speaking while a backend checks information or completes an action, with the application retaining control over permissions and confirmations.
OpenAI has also made GPT-Live accessible via its API, enabling developers to build real-time voice applications using WebRTC, WebSockets, or telephony connections. To ensure authenticity, SynthID watermarking is applied to generated audio, allowing OpenAI to verify the origin of the sound.
This launch signals a shift from simple speech-to-text-and-back responses toward AI that actively manages conversation dynamics, including timing, interruptions, and multi-system coordination. GPT-Live represents a step closer to truly natural voice assistants.