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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.

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OpenAI Models

OpenAI News

Thinking with images

OpenAI o3 and o4-mini are the latest visual reasoning models in our o-series. For the first time, our models can think with images in their chain-of-thought—not just see them.

Models

OpenAI Models

OpenAI News

Our updated Preparedness Framework

Sharing our updated framework for measuring and protecting against severe harm from frontier AI capabilities.