GPT-Realtime-2.1
- In Input modalities: TextAudioImage Out Output modalities: TextAudio
- Reasoning· minimal, low, medium, high, xhigh
- Tool use
Prices
3 offerings · prices as listed OpenAI API (opens in a new tab)
gpt-realtime-2.1| Conditions/ 1M tokens | Input | Cache read | Output |
|---|---|---|---|
| Text tokens Standard | $4.00 | $0.40 | $24.00 |
| Image tokens | $5.00 | $0.50 | — |
| Audio tokens | $32.00 | $0.40 | $64.00 |
Prices from OpenAI API pricing (opens in a new tab) (checked Nov 9, 2026)
Standard: the price a request with no conditions pays (the headline price elsewhere on the site).
Details
- Max output
- 32K
- Structured output
- —
- Knowledge cutoff
- Sep 2024
- Open weights
- —
- Model ID
Not stated on OpenAI’s pages: max input, reasoning can be off, built-in tools, voices, languages.
Cited scores
From third-party leaderboards, not measured by usNo cited leaderboard covers realtime voice models yet. We will cite one when its license allows.
Changes
All changes →No changes recorded yet.
Sources
- Azure OpenAI pricing (opens in a new tab) azure.microsoft.com · checked Nov 8, 2026
- OpenAI API pricing (opens in a new tab) developers.openai.com · checked Nov 9, 2026
- GPT-Realtime-2.1 model (opens in a new tab) developers.openai.com · checked Nov 8, 2026
- Changelog (opens in a new tab) developers.openai.com · checked Nov 9, 2026
- Azure AI Foundry: model retirement schedule (opens in a new tab) learn.microsoft.com · checked Nov 10, 2026
- models.dev: gpt-realtime-2.1 (community data, MIT) (opens in a new tab) github.com · checked Sep 30, 2026
OpenAI’s official policies: data use, privacy, terms →
Some values on this page are still waiting to be checked against official pages: a filled dot is verified, a hollow one is not yet (with or without a source on file). How we verify data
OpenAI · United States · openai.com
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