UPDATE: Apr. 16, 2025, 2:18 PM EDT Now that the OpenAI livestream has ended, this article has been updated with the latest information about the o3 and o4-mini launch. OpenAI's o3 and o4-mini models ...

OpenAI on Friday released the latest model in its reasoning series, o3-mini, both in ChatGPT and its application programming interface (API). It had been in preview since December 2024. The company ...

o3-mini is OpenAI's first small reasoning model that supports features like function calling, Structured Outputs, and developer messages. There are three reasoning effort options, including low, ...

OpenAI today made its o3-mini large language model generally available for ChatGPT users and developers. Word of the launch leaked a few hours earlier. According to Wired, OpenAI brought o3-mini’s ...

OpenAI just released o3-mini, a miniature version of its upcoming flagship AI model. The new model is the company’s first “small reasoning model,” capable of using a train-of-thought process to ...

Choosing the right AI model can feel a bit like picking the perfect tool from a crowded toolbox—each option has its strengths, but finding the one that truly fits your needs can be tricky. Whether you ...

OpenAI has released o3-mini, providing a more powerful model to face off against the dark horse DeepSeek in what is shaping up to be an epic power struggle. The reasoning model is designed to be much ...

o3-mini should outperform o1 and provide faster, more accurate answers. o3-mini should outperform o1 and provide faster, more accurate answers. is a senior editor and author of Notepad, who has been ...

OpenAI says o3-mini is better than other small, efficient models. It's good at STEM subjects like science, math, and coding. It can search for up-to-date answers and give you links to websites. This ...