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

The Department of Defense has announced contracts with four leading artificial intelligence companies, including Elon Musk's ...

The U.S. Department of Defense will begin using Grok, the AI chatbot built by Elon Musk’s start-up xAI, the company announced ...

The announcement comes just days after Grok generated antisemitic responses and praised Hitler, which were later deleted.

The money behind Elon Musk’s trillion-dollar empire is increasingly flowing in one direction: toward artificial intelligence.

People who pay for access to SuperGrok can now try the AI chatbot’s new “Companions” avatars, xAI owner Elon Musk announced ...

An AI model launched last week appears to have shipped with an unexpected occasional behavior: checking what its owner thinks ...

Investors familiar with the matter told The Wall Street Journal that the rocket company SpaceX has agreed to invest a ...

The billionaire entrepreneur said Tesla shareholders would vote on investing in xAI as he seeks to tap his own companies to ...

The announcement of the $200 million contract to xAI comes less than a week after Grok came under fire for sharing ...

The Department of Defense under Secretary Pete Hegseth has been fixated on buzzwords like “warfighting” and “warfighters,” ...

Built using huge amounts of computing power at a Tennessee data center, Grok is Musk's attempt to outdo rivals such as OpenAI ...