SpaceX has agreed to invest $2 billion in Elon Musk 's artificial intelligence company xAI. The investment makes up nearly half of the company's recent $5 billion equity round, according to investors cited by The Wall Street Journal.

AI explained why Grok 4 seemed to search for Elon Musk's opinions when asked about some hot-button topics.

Investors familiar with the matter told The Wall Street Journal that the rocket company SpaceX has agreed to invest a whopping $2 billion in xAI, the Musk-led firm behind the controversial large language model Grok. This investment makes up almost half of the $5 billion of equity that the AI company raised last month.

A federal government employee has reportedly leaked a sensitive API key linked to Elon Musk’s xAI platform — and it could have serious implications for both national security and the future of AI development.

Musk said "Tesla would have invested in xAI long ago" if it was up to him.

From Grok's antisemitic rants to the permit for turbines in Memphis, here's a look at some of the latest news surrounding Elon Musk's xAI.

SpaceX is investing $2 billion in xAI, Elon Musk's AI company, as part of a $5 billion equity round, amid his efforts to boost the AI startup.

AI released two AI "companions" on its Grok platform, a Japanese anime girl named "Ani" and an animated red panda called "Rudi."

According to a Wall Street Journal report that cites investors close to SpaceX, the company has agreed to invest $2 billion in Musk’s AI startup xAI. The investment would reportedly be part of the $5 billion equity raise (along with another $5 billion in debt) that Morgan Stanley announced at the end of June.

A $440 million data center with an odd name is going up in Bastrop County, the suburban Austin hub of several of Elon Musk’s companies.