They resemble foil balloons, make a crackling sound when slipped on and, for a growing number of people, have become a simple luxury.

The model was trained on 200,000 GPUs and beats its rivals in math, science, and coding benchmarks, Musk says. It appears to ...

Elon Musk’s startup xAI unveiled its updated Grok 3 artificial intelligence model. CNN’s Anna Stewart explains how Musk’s ...