UPDATE: Apr. 16, 2025, 2:18 p.m. EDT Now that the OpenAI livestream has ended, this article has been updated with the latest information about the o3 and o4-mini launch. OpenAI's o3 and o4-mini models ...

An AI model wants you to believe it can't answer how many grams of oxygen are in 50.0 grams of aluminium oxide (Al₂O₃). When asked ten straight chemistry questions in a test, the OpenAI o3 model faced ...

Imagine you're chatting with an AI assistant. Let's say you ask it to draft a press release, and it delivers. But what if, behind the scenes, it were quietly planning to serve its own hidden agenda?

As OpenAI marks its tenth birthday in December 2025, it can celebrate becoming one of the world’s leading companies, worth perhaps as much as US$1 trillion (£750 billion). But it started as a ...