GPT-Live 1
GPT-Live 1 is OpenAI's full-duplex voice model. It listens and talks at once while a backend agent reasons and calls tools, at $0.05 per minute.
Moves OpenAI's voice stack from turn-based realtime models to continuous conversation with delegated reasoning (Responses delegation or your own backend). Knowledge cutoff 2025-07-31; transcription models followed the 2026-07-28 GPT Transcribe release.
- Date
- Thursday, 10 September 2026
- Lab
- OpenAI
- Kind
- model
- Access
- closed API
Figures
| Measure | Value | Measured by |
|---|---|---|
| Voice session price | $0.05 per minute billed per second; backend model and tool usage billed separately | company |
Sources
This record was checked against its sources on 6 October 2026. How we check