# o3-pro API pricing

The official API price of o3-pro is $20 per 1M input tokens and $80 per 1M output tokens (as of 2026-11-12). Context window: 200K tokens, up to 100K output tokens per request. 10 providers sell it. The lowest is Poe: $18.1818 input, $72.7273 output.

- Type: Text
- Context: 200K
- Max output: 100K
- Released: 2025-06-10
- Open weights: No

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

| Provider | Model id | Input | Output | Cached | Notes |
| --- | --- | --- | --- | --- | --- |
| [OpenAI](https://platform.openai.com/docs/models) | o3-pro | $20 | $80 | — | Official |
| [Poe](https://creator.poe.com/docs/external-applications/openai-compatible-api) | openai/o3-pro | $18.1818 | $72.7273 | — | Lowest |
| [Abacus](https://abacus.ai/help/api) | o3-pro | $20 | $80 | — |  |
| [Eden AI](https://docs.edenai.co) | openai/o3-pro | $20 | $80 | — |  |
| [Helicone](https://helicone.ai/models) | o3-pro | $20 | $80 | — |  |
| [Kilo Gateway](https://kilo.ai) | openai/o3-pro | $20 | $80 | — |  |
| [OpenRouter](https://openrouter.ai/models) | openai/o3-pro | $20 | $80 | — |  |
| [Vercel AI Gateway](https://github.com/vercel/ai/tree/5eb85cc45a259553501f535b8ac79a77d0e79223/packages/gateway) | openai/o3-pro | $20 | $80 | — |  |
| [AI/ML API](https://docs.aimlapi.com) | openai/o3-pro | $21.16 | $84.64 | — |  |
| [NanoGPT](https://docs.nano-gpt.com) | openai/o3-pro-2025-06-10 | $22 | $88 | $11 |  |

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/o3-pro/