OpenAI: o1-pro

openai/o1-pro

PaidVision inputReasoning
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Price Published

Input
$150.00
per million tokens
Output
$600.00
per million tokens

Optional features and fallback routes can cost extra. Confirm current terms with the provider.

Specifications Published

Context window
200,000 tokens
Max output
100,000 tokens
Tool calling
Not listed
Vision input
Supported
Reasoning
Supported
Knowledge cutoff
Oct 31, 2023
Listed since
Mar 19, 2025

Measured by the Club Signed cheapoS reports

Not yet observed No signed request reports for this exact route yet. Missing reports aren't a failure or a zero.

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Try it

  1. Get an OpenRouter API key. Create one here. Other free tiers are compared on Providers.
  2. Add it to cheapoS. Open Models → Open OmniRoute, add OpenRouter with your key, then refresh models. Get cheapoS
  3. Pick this model. Use the ID openai/o1-pro, and start with a small task you can check.

About this model OpenRouter description

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...

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Catalog data from the OpenRouter model catalog, retrieved Sep 29, 2026, 12:37 PM UTC. A listing isn't a live availability check.