X eventually deleted many of the obscene posts. Hours later, on Wednesday, X CEO Linda Yaccarino resigned from the company after just two years at the helm, though it wasn’t immediately clear whether her departure was related to the Grok issue.

Grok 4 is xAI’s most advanced model yet, but early praise is clashing with old scandals and fresh tests of its limits.

Elon Musk's artificial intelligence chatbot "Grok" churned out antisemitic posts on his "X" platform. Staff Writer at The Atlantic, Charlie Warzel, Tel Aviv Institute Senior Fellow Hen Mazzig and Iraq War veteran and Independent Veterans of America CEO Paul Rieckhoff join Katy Tur to share their reactions and concerns.

In a late-night announcement, X owner Elon Musk unveiled the new Grok 4 chatbot. Here's everything you need to know about it.

The bot fails at some basic questions. Cal Fire says it is working on fixes. Experts wonder if it launched too soon.

The chatbot, which Cal Fire says is independent of Newsom’s order, is meant to give Californians better access to “critical fire prevention resources and near-real-time emergency information,” according to a May release from Newsom’s office.

Andrew Bailey took issue with how the AI platforms ranked the president on "a straightforward historical question."

Elon Musk ripped into his own newly improved artificial intelligence chatbot Grok after it declared that the biggest threat facing Western civilization was “misinformation.” The billionaire Tesla and xAI chief had announced a new version of Grok on Wednesday night,