UC Berkeley released an open-source model that's on par with o1's math and coding abilities - for a fraction of the cost.

So-called reasoning AI models are becoming easier — and cheaper — to develop.

OpenAI AI model o1 Preview sparks concern with unprompted autonomy, raising critical questions about safety, alignment, and ...

Phi-4 and an rStar-Math paper suggest that compact, specialized models can provide powerful alternatives to the industry’s largest systems.

In a development that feels like a plot twist out of a science fiction novel, OpenAI's latest artificial intelligence model, ...

Application developers who access OpenAI through its long-running API will now have access to the company's latest full o1 ...

OpenAI's ChatGPT Pro plan is operating at a loss despite expectations of revenue. The company plans to go public but faces ...