o3-pro
by OpenAI
o3-pro is a model from OpenAI, released on June 10, 2025. It has a 200K-token context window and can generate up to 100K output tokens. API pricing is $20 per 1M input tokens and $80 per 1M output tokens.
Version of o3 with more compute for better responses. The o3-pro model uses more compute to think harder and provide consistently better answers. Designed to tackle tough problems with advanced reasoning capabilities.
Key specs
| Provider | OpenAI |
|---|---|
| Release date | 2025-06-10 |
| License | proprietary |
| Context window | 200K tokens |
| Max output | 100K tokens |
| Input price | $20 / 1M tokens |
| Output price | $80 / 1M tokens |
Quick answers
What is the context window of o3-pro?
o3-pro has a context window of 200K tokens, with a maximum output of 100K tokens per response.
How much does o3-pro cost?
o3-pro costs $20 per 1M input tokens and $80 per 1M output tokens through the API.
Is o3-pro open source?
No. o3-pro is a proprietary model from OpenAI (proprietary license).
When was o3-pro released?
OpenAI released o3-pro on June 10, 2025.
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