# GPT-Realtime-2.1 API pricing

The official API price of GPT-Realtime-2.1 is $4 per 1M input tokens and $24 per 1M output tokens (as of 2026-11-12). Context window: 128K tokens, up to 32K output tokens per request. 2 providers sell it, none below the official price.

- Type: Realtime
- Context: 128K
- Max output: 32K
- Released: 2026-07-06
- Open weights: No

## Price by provider (USD per 1M tokens)

| Provider | Model id | Input | Output | Cached | Notes |
| --- | --- | --- | --- | --- | --- |
| [OpenAI](https://platform.openai.com/docs/models) | gpt-realtime-2.1 | $4 | $24 | $0.4 | Official |
| [Vercel AI Gateway](https://github.com/vercel/ai/tree/5eb85cc45a259553501f535b8ac79a77d0e79223/packages/gateway) | openai/gpt-realtime-2.1 | $4 | $24 | $0.4 |  |

Providers are those listed by models.dev. This site has not vetted them one by one; each provider's own page has the binding price.

Prices and specs come from models.dev (MIT licence), updated 2026-11-12. Each provider's name links to its official docs. A provider priced at 0 usually includes the model in a subscription; it is not necessarily a free API.

https://apibook.ai/models/openai/gpt-realtime-2.1/