O1-Pro

language modelOpenAI

The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more compute to think harder and provide...

Key facts

Made byOpenAI
Typelanguage model
ReleasedMarch 19, 2025
Reads at once200,000 tokens
Price (API, per million tokens)$150 in · $600 out
Input → outputtext, image, file → text

Questions about O1-Pro

Who makes O1-Pro?

O1-Pro is made by OpenAI.

When was O1-Pro released?

We first saw O1-Pro listed on March 19, 2025.

How much does O1-Pro cost?

Through OpenRouter it costs $150 per million input tokens and $600 per million output tokens. Prices change, so check the provider before you build on it.

How much text can O1-Pro read at once?

Up to 200,000 tokens, roughly 150K words.

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