Elon Musk’s xAI launched Grok 4 on Wednesday night, the latest and most advanced version of its flagship artificial intelligence model, which the billionaire claimed was smarter than all its top rival...

Grok made multiple positive references to Hitler this week when queried about posts that appeared to celebrate the deaths of children in the recent Texas floods.

Linda Yaccarino is stepping down from her role as CEO of X, Elon Musk’s social media platform.