It's time for the busiest watch week of the year, as Watches and Wonders 2026 is almost upon us. Even brands which aren't exhibiting on the showfloor will have new products to unveil, with separate ...

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.

A mere two days after announcing GPT-4.1, OpenAI is releasing not one but two new models. The company today announced the public availability of o3 and o4-mini. Of the former, OpenAI says o3 is its ...

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 ...

OpenAI has launched its new flagship reasoning models, o3 and o4-mini, which achieve state-of-the-art performance and support full tool access. As expected, OpenAI today announced o3 and o4-mini, its ...

Over the last week, OpenAI’s place atop the AI model hierarchy has been heavily challenged by Chinese model DeepSeek. Today, OpenAI struck back with the public release of o3-mini, its latest simulated ...

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 ...

First reported by TechCrunch, OpenAI's system card detailed the PersonQA evaluation results, designed to test for hallucinations. From the results of this evaluation, o3's hallucination rate is 33 ...

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 ...