GPT-4.5 will be "well-suited for tasks like writing, programming, and solving practical problems" OpenAI said on Thursday.

Sam Altman’s OpenAI released GPT-4.5, an upgraded version of the artificial intelligence model that powers ChatGPT, to select users on Thursday.

OpenAI CEO Sam Altman has taken to X to voice a common complaint in TYOL 2025: His company is "out of GPUs." As someone who regularly trawls the listings looking for the best graphics card deals, I sympathise. They're goshdarn hard to get hold of these days, aren't they?

OpenAI CEO emphasised that his most cherished personal achievement involves his role as a father, highlighting the profound emotional journey it has entailed.

The court made good on its prediction last month in the most recent legal battle of “billionaires versus billionaires.”