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

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.

In a familiar critique of corporate structures, Musk also weighed in on the ideal environment for fostering such long-term, existentially focused AI. He declared, “For long-term optimization, it is better to be a private than a public company, as the latter is punished for long-term optimization beyond the reward cycle of stock portfolio managers.”

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.

AI safety researchers from OpenAI and Anthropic are criticizing Elon Musk's xAI for "completely irresponsible" safety practices.

The NAACP is appealing the Shelby County Health Department's decision to approve the use of gas turbines at one of xAI's Memphis campuses.

Elon Musk's xAI startup is swimming in controversy after launching Grok 4, the latest version of its snarky AI chatbot. Last week, the company boasted that Grok 4 achieved higher scores than quite a few other large language models (LLMs) on various industry benchmarks.

The Department of Defense under Secretary Pete Hegseth has been fixated on buzzwords like “warfighting” and “warfighters,” and adopting new AI tools is part of that mission, according to leaders at the agency. And Monday’s press release was filled to the brim with similarly grandiose language.