O1 Pro: API pricing, providers and specs
O1 Pro is a text model by OpenAI. 8 providers serve it, from $480 to $720 /1M; the lowest price is at APIMart.
A newer version is out: O3 Pro · released Jun 10, 2025
Lowest price$480/1Mat APIMart
Maker's price$600/1M20% more than the lowest
Providers8
Context200KMax output 100K
How O1 Pro compares
Against the 737 text models on the site priced the same way.
- Pricey for its class: at $480 /1M, its lowest price is above 100% of comparable models (median $1.10).
- Its 200K-token context window is larger than 32% of them (median 262K), about 300 pages of text.
- 8 providers serve it; 73% of comparable models have fewer.
O1 Pro prices by provider
Every provider's list price, read from its own price page or API. A price marked “from” changes with context length, resolution or mode.
| Provider | Input | Output | Prompt caching | Context |
|---|---|---|---|---|
| APIMart | $120/1M | $480/1M | — | — |
 CometAPI | $120/1M | $480/1M | — | — |
| OpenAIOfficial | $150/1M | From$600/1M | — | — |
| OpenRouter | $150/1M | From$600/1M | — | 200K |
 Azure | $150/1M | From$600/1M | — | — |
| AI/ML API | $158.70/1M | $634.80/1M | — | — |
 AIHubMix | $170/1M | $680/1M | $170/1M | — |
 LaoZhang API | $180/1M | $720/1M | — | — |
- APIMart$480
- CometAPI$480
- OpenAIOfficialFrom$600
- OpenRouterFrom$600
- AzureFrom$600
- AI/ML API$634.80
- AIHubMix$680
- LaoZhang API$720
Prices in US dollars, updated daily from each provider. Prices last checked Oct 25, 2026.
Specs
- Type
- Text
- Maker
- OpenAI
- Inputs
- Image, Text
- Outputs
- Text
- Context
- 200K≈ 300 pages of text
- Max output
- 100K
- Capabilities
- JSON, Reasoning, Vision
- Released
- Mar 19, 2025
- License
- —
- Open weights
- —
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All 123 OpenAI modelsO1 Pro FAQ
APIMart, at $480 /1M. 8 providers serve O1 Pro; the table above lists every one with its price.
O1 Pro reads up to 200K tokens per request and writes up to 100K.
We have not found O1 Pro's weights published by its maker.
8 API providers serve O1 Pro. Compare their prices above, or open a provider to see everything it offers.
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