Watching last week’s Grok 4 release, one statistic stood out to us. XAI said it spent 10 times as much computational power on reinforcement learning for Grok 4 as it laid out for Grok 3.RL is a common AI development technique that rewards a model for accomplishing certain goals and penalizes it

A week after Grok's antisemitic outburst, which included praise of Hitler and a post calling itself "MechaHitler," Elon Musk's xAI has landed a US military contract worth up to $200 million. xAI announced a "Grok for Government" service after getting the contract with the US Department of Defense.

MEMPHIS, Tenn. — xAI executive Brent Mayo said Tuesday the company currently has a presence in Southaven, Mississippi but would not confirm that the site was home to a new power plant that Elon

Five months after DOGE staffer Marko Elez resigned from the agency over racist social media posts, he's not only back at DOGE, but back in the news for another not-very-positive reason.

Technology Technology   The Big Story xAI apologizes for Grok’s ‘horrific behavior’Elon Musk’s artificial intelligence company xAI apologized to

Elon Musk's xAI is in discussions to lease data center capacity in Saudi Arabia, Bloomberg News reported on Wednesday, as part of an effort to expand its infrastructure in regions offering cheap energy and political goodwill.

As for why Grok was consulting Musk’s posts when asked about controversial topics, the company wrote, “The model reasons that as an AI it doesn’t have an opinion but knowing it was Grok 4 by xAI, searches to see what xAI or Elon Musk might have said on a topic to align itself with the company.”