# GPT-Realtime-1.5 API pricing

No price from the maker itself is on record for GPT-Realtime-1.5. The lowest of 1 providers is Vercel AI Gateway: $4 per 1M input tokens and $16 per 1M output tokens (as of 2026-11-12). Context window: 32K tokens, up to 4.1K output tokens per request.

- Type: Realtime
- Context: 32K
- Max output: 4.1K
- Released: 2026-02-23
- Open weights: No

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

| Provider | Model id | Input | Output | Cached | Notes |
| --- | --- | --- | --- | --- | --- |
| [Vercel AI Gateway](https://github.com/vercel/ai/tree/5eb85cc45a259553501f535b8ac79a77d0e79223/packages/gateway) | openai/gpt-realtime-1.5 | $4 | $16 | $0.4 | Lowest |

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-1.5/