The bot has been marketed as a general-purpose tool that can write code, summarize documents and give advice. But can it be a ...

When OpenAI CEO Sam Altman made the dramatic call for a “code red” last week to beat back a rising threat from Google, he put a notable priority at the top of his list of fixes. The world’s most ...

What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey and then grills up some steaks to show just how much energy it takes to ...