OpenAI touts o3 as a smart AI model with the ability to reason (meaning it can recursively check its answers before giving you a final output) and to independently use all of ChatGPTs' tools, including web browsing, Python, image understanding and image generation. OpenAI says this helps solve complex multi-step problems.

OpenAI is rolling out a pair of new artificial intelligence models that mimic the process of human reasoning to field more complicated coding questions and visual tasks, the latest in a flurry of releases from the company to fend off renewed competition in the US and China.

OpenAI’s o3 and o4-mini models are available now to ChatGPT Plus, Pro, and Team users. Enterprise and education users will get access next week.