o1-pro pricing
o1-pro from OpenAI costs $150.00 per 1M input tokens and $600.00 per 1M output tokens. Context window 200,000 tokens.
API id o1-pro · OpenAI · source · updated 2026-08-12
$150.00
Input / 1M tokens
$600.00
Output / 1M tokens
—
Cached input / 1M
200K
Context window
What o1-pro costs in practice
| Workload | Input tokens | Output tokens | Estimated cost |
|---|---|---|---|
| Short chat turn | 1,000 | 500 | $0.45 |
| Document summary | 50,000 | 2,000 | $8.70 |
| 1M tokens in, 200K out | 1,000,000 | 200,000 | $270.00 |
Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.
Common questions
- How much does o1-pro cost per 1M tokens?
- o1-pro costs $150.00 per 1M input tokens and $600.00 per 1M output tokens on the standard tier.
- What is o1-pro's context window?
- o1-pro accepts up to 200,000 tokens in a single request, and can return up to 100,000 output tokens.
- Is there a cheaper OpenAI model than o1-pro?
- Yes. gpt-4o-mini-2024-07-18 is $0.300 per 1M input tokens versus $150.00 for o1-pro, with a 128,000 token context window.
- Where does this o1-pro price come from?
- Directly from OpenAI's published pricing page, re-read every day and normalized to USD per 1,000,000 tokens.