OpenAI brings GPT-Live-1 full-duplex voice model to the API
OpenAI
OpenAI released GPT-Live-1 in the API on September 10, bringing the full-duplex voice system behind ChatGPT Voice to developers. The model listens and speaks simultaneously, handles interruptions, and can delegate reasoning or actions to a backend agent, with custom voices and telephony support at $0.05 per minute.
Why it matters
First time OpenAI's realtime voice stack is exposed to third-party developers at commodity per-minute pricing.
Importance: 3/5
Notable API release exposing OpenAI's realtime voice stack; official + media