The new tool, called Operator, can shop for groceries or book a restaurant reservation. But it still needs help from humans.

The announcement confirms one of two rumors that circled the internet this week. The other was about superintelligence.

A technique called “test-time compute” can improve how AI responds to some hard questions, but it comes at a cost ...

The creators of a new test called “Humanity’s Last Exam” argue we may soon lose the ability to create tests hard enough for A ...