OpenAI · voice model
GPT-Live 1
GPT-Live 1 is OpenAI's latest voice model in our dataset, released Sep 10, 2026. Proprietary, API access only. OpenAI's full-duplex voice model that listens and speaks at once; API general availability on Sep 10, 2026 at $0.05 per minute. Verified against vendor sources on Oct 26, 2026.
Reported Last verified · All models · JSON · Markdown
- ReleasedSep 10, 2026
- LicenceProprietaryProprietary (API)
InTextAudioOutTextAudio
Key facts
| Fact | Value | Source |
|---|---|---|
| Vendor | OpenAI | n/a |
| Released | Sep 10, 2026 API general availability per the OpenAI API changelog. It reached ChatGPT earlier, on Jul 8, 2026, per OpenAI. | source |
| Status | generally available | n/a |
| API id | gpt-live-1 | source |
| Input | text, audio | source |
| Output | text, audio | source |
| Licence | Proprietary (API) | source |
| Pricing | Voice session, billed per second $0.05 (per minute) Backend model and tool usage are billed separately. | source |
Where GPT-Live 1 sits in our data
- Released Sep 10, 2026 (week 37 of 2026), in September 2026. Other models in our data released that month: GPT-6.1 Sol, Claude Sonnet 5.5, Claude Opus 5.5, Gemini 3.8 Flash TTS, Gemini 3.8 Flash-Lite TTS, GPT-6 Luna.
- The previous OpenAI model we track is GPT-Image-2.5 Sunburst (Sep 8, 2026), 2 days earlier.
- OpenAI tools we cover: Codex CLI, ChatGPT, OpenAI Agents SDK.
- All releases by date: AI model releases by month · new AI models this week.
How GPT-Live 1 differs from GPT-Live-Transcribe
Read from the recorded facts of the two models, not from a head-to-head test. We have not run either.
- Input is text, audio, against audio, text for GPT-Live-Transcribe.
- Output is text, audio, against text.
- GPT-Live 1 came out 44 days after GPT-Live-Transcribe.
- Facts for the other model: GPT-Live-Transcribe.
What we tested
Nothing yet. We have not run GPT-Live 1 ourselves, so every fact on this page is Reported from the sources below. When we do test it, the scope will be stated here and in our test logs. See methodology.
Sources
More from OpenAI
- GPT-Live-Transcribe (Jul 28, 2026)
- GPT-Image-2.5 Flare (Sep 8, 2026)
- GPT-Image-2.5 Sunburst (Sep 8, 2026)
- GPT-6 Astra (Sep 3, 2026)
- GPT-6 Luna (Sep 22, 2026)
- GPT-6 Sol (Sep 22, 2026)
- GPT-6.1 Sol (Sep 29, 2026)