o3 Pro: Pricing, Context Window & Benchmarks
by OpenAI
The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently better answers. Note that BYOK is required for this model. Set up here: https://openrouter.ai/settings/integrations
What you can do with o3 Pro
Everyday Q&A and clear explanations
Writing help (emails, posts, summaries)
Idea generation and brainstorming
Learning support with step-by-step guidance
Composite Indices
Intelligence, Coding, Math
Standard Benchmarks
Academic and industry benchmarks
Benchmark Highlights
| Metric | Value |
|---|---|
| Provider | OpenAI |
| Context Window | 200,000 tokens |
| Input Price | $20.00/1M tokens |
| Output Price | $80.00/1M tokens |
| Release Date | Jun 10, 2025 |
| Modalities | text, file, image |
| Capabilities | Vision |
Compare o3 Pro to other models
See how it stacks up on price, quality, and overall performance.
Frequently asked questions
What is o3 Pro good for?
Use o3 Pro for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does o3 Pro cost?
Pricing is based on usage. Current rates are $20.00/1M tokens for input and $80.00/1M tokens for output.
Can I try o3 Pro for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does o3 Pro support images or audio?
o3 Pro can understand images.
Suggested comparisons
Similar models
Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.
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