OpenAI: o1-pro API
The most powerful model in OpenAI's reasoning series. Compared to standard o1, o1-pro allocates more reasoning compute, allowing for deeper and more extended thinking. This results in superior accuracy and reliability for complex math proofs, large-scale code refactoring, and frontier scientific challenges.
- Context window: 200,000 tokens
- Max output: 100,000 tokens
- Input: text, image
- Output: text
- Reasoning: Supported
- Tool calling: Supported
- File input: Supported
- Released: 2025-03-19
- Knowledge cutoff: 2023-09-30
Frequently Asked Questions
What is the context window of o1-pro?
o1-pro supports a context window of up to 200,000 tokens.
Does o1-pro support function calling?
Yes. o1-pro supports tool / function calling.
Does o1-pro support reasoning?
Yes. o1-pro is a reasoning-capable model.
What is the knowledge cutoff of o1-pro?
The knowledge cutoff of o1-pro is 2023-09-30.