OpenAI announced on Monday that it raised $40 billion in its latest funding round and was now valued at $300 billion.

Noam Brown, who leads AI reasoning research at OpenAI, says that certain "reasoning" AI models could've arrived 20 years ...

Have researchers discovered a new AI 'scaling law'? That's what some buzz on social media suggests — but experts are ...

New approach flips the script on enterprise AI adoption by using input data you already have for fine-tuning instead of needing labelled data.

OpenAI unveils cutting-edge speech-to-text audio AI models API to help developers build accurate, reliable, and engaging ...

Companies like OpenAI and China’s DeepSeek offer chatbots designed to take their time with an answer. Here’s how they work. By Cade Metz and Dylan Freedman Cade Metz reported from San ...

AI labs including OpenAI once invested most of their efforts in scaling up pre-training. Now, they're splitting time between pre-training and test-time inference, according to Brown — approaches ...