Sam Altman on OpenAI's closed-source approach

It’s been just over a week since DeepSeek upended the AI world. The introduction of its open-weight model—apparently trained ...
OpenAI just released o3-mini, a reasoning model that’s faster, cheaper, and more accurate than its predecessor.
OpenAI used the subreddit, r/ChangeMyView, to create a test for measuring the persuasive abilities of its AI reasoning models ...
OpenAI is in talks to raise new capital at a valuation of up to $340 billion valuation, CNBC has confirmed; SoftBank would ...