o3 Pro
language modelOpenAI
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...
Key facts
| Made by | OpenAI |
|---|---|
| Type | language model |
| Released | June 10, 2025 |
| Reads at once | 200,000 tokens |
| Price (API, per million tokens) | $20 in · $80 out |
| Input → output | text, file, image → text |
Questions about o3 Pro
Who makes o3 Pro?
o3 Pro is made by OpenAI.
When was o3 Pro released?
We first saw o3 Pro listed on June 10, 2025.
How much does o3 Pro cost?
Through OpenRouter it costs $20 per million input tokens and $80 per million output tokens. Prices change, so check the provider before you build on it.
How much text can o3 Pro read at once?
Up to 200,000 tokens, roughly 150K words.
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