All tasks / Models
GPT-Live 1
OpenAI's full-duplex voice conversation model that powers ChatGPT Voice and hands hard requests to a backend model.
- OpenAI
- Closed
- Released 8 Jul 2026
Where it ranks
- AVoice agentsModels · Cloud · 1,057 on Artificial Analysis Speech Agent Arena (models)
Facts
- Vendor
- OpenAI
- Family
- GPT-Live
- Released
- 8 Jul 2026
- Weights
- Closed: API and apps only
- License
- proprietary
- API price
- $0.05 per minute of audio (Voice sessions $0.05 per minute, billed per second; the backend model and tools it delegates to are billed separately.)
- Access
- Paid only
- Last verified
- 18 Oct 2026
Price from developers.openai.com, 18 Oct 2026.
Benchmark results
| Benchmark | Result | Entry on the leaderboard | As of | Source |
|---|---|---|---|---|
| Artificial Analysis Big Bench Audio (speech reasoning) | 90.1% | GPT-Live-1 (Astra, medium), OpenAIBig Bench Audio speech reasoning (audio in, audio out); embedded value 0.901 as percent; no last-updated date shown. | 18 Oct 2026 | artificialanalysis.ai |
| Artificial Analysis Speech Agent Arena (models) | 1,057 | GPT-Live-1 (Sol, low)Speech Agent Arena Elo (overall slice; GPT-Realtime-1.5 anchored at 1000), rank 5 of 27, 673 appearances, 95% CI 1030.38-1084.26; embedded data on the speech-to-speech page. | 18 Oct 2026 | artificialanalysis.ai |
| Artificial Analysis Speech to Speech Index | 83 | GPT-Live-1 (Astra, medium)AA-Speech to Speech Index (weighted: Big Bench Audio, tau-Voice agentic, arena preference, task success); raw embedded value, page shows it rounded; no last-updated date shown. | 18 Oct 2026 | artificialanalysis.ai |
Where you can use it
- AChatGPTApps · Cloud