O1 PRO
OpenAI's O1 PRO is a chat model capable of handling various tasks, including text generation, reasoning, and function calling, with support for both text and image inputs. It is genuinely best at tasks that require extended thinking and chain of thought, given its wide range of capabilities.
Input
Output
Context
200K
Max Output
100K
Parameters
-
Technical Specifications
Model TypeChat
Context Window200,000 tokens
Max Output Tokens100,000 tokens
ParametersNot available
Release DateMar 17, 2025
Training CutoffOct 1, 2023
Licenseproprietary
Open SourceNo
Input Modalities
ImageText
Output Modalities
Text
Capabilities
Benchmarks
Artificial Analysis
18.9
Intelligence
Resources & Links
proprietary, Proprietary - API access only
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Jun 24, 2026
Start building with the right model.
Automatically route workloads to the right model for every task, every time.