OpenAI o3-mini

Introducing OpenAI o1

OpenAI o3 and o4-mini System Card

OpenAI o3 and OpenAI o4-mini combine state-of-the-art reasoning with full tool capabilities—web browsing, Python, image and file analysis, image generation, canvas, automations, file search, and memory.

Introducing OpenAI o3 and o4-mini

Our smartest and most capable models to date with full tool access

OpenAI o3-mini System Card

This report outlines the safety work carried out for the OpenAI o3-mini model, including safety evaluations, external red teaming, and Preparedness Framework evaluations.

Addendum to OpenAI o3 and o4-mini system card: OpenAI o3 Operator

We are replacing the existing GPT-4o-based model for Operator with a version based on OpenAI o3. The API version will remain based on 4o.

OpenAI o1 and new tools for developers

Introducing OpenAI o1, Realtime API improvements, a new fine-tuning method and more for developers.

OpenAI o1 Contributions

OpenAI o1 Contributions

OpenAI o1 System Card

This report outlines the safety work carried out prior to releasing OpenAI o1 and o1-mini, including external red teaming and frontier risk evaluations according to our Preparedness Framework.

OpenAI Pioneers Program

Introducing OpenAI

OpenAI is a non-profit artificial intelligence research company. Our goal is to advance digital intelligence in the way that is most likely to benefit humanity as a whole, unconstrained by a need to generate financial return.

OpenAI GPT-4.5 System Card

We’re releasing a research preview of OpenAI GPT‑4. 5, our largest and most knowledgeable model yet.

Resolving digital threats 100x faster with OpenAI

Discover how Outtake uses GPT-4. 1 and OpenAI o3 to power AI agents that detect and resolve digital threats 100x faster than before.