OpenAI is slowly inviting selected users to test a whole new set of reasoning models named o3 and o3 mini, successors to the o1 and o1-mini models that just entered full release earlier this month.

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 just released o3-mini, a reasoning model that’s faster, cheaper, and more accurate than its predecessor. On Thursday, Microsoft announced that it’s rolling OpenAI's reasoning model o1 out to ...

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now OpenAI launched two groundbreaking AI ...

In response to pressure from rivals including Chinese AI company DeepSeek, OpenAI is changing the way its newest AI model, o3-mini, communicates its step-by-step “thought” process. On Thursday, OpenAI ...

OpenAI on Thursday announced GPT-4o mini, a smaller and less expensive version of its GPT-4o AI model. OpenAI is one of a number of AI companies to develop a version of its best “foundation” model ...