OpenAI overtook SpaceX as the most valuable private company. SpaceX could soon reclaim the title. It's the latest in the ...

A sale of insider shares at $421 a share would make Mr. Musk’s rocket company the most valuable private company in the world, ...

For GPT-5.2, you have to get the pro version of ChatGPT, which starts at $20 per month or $200 per month, depending on what you want. Grok’s free version also limits you to Grok 4, and not Grok 4.1, ...

President Donald Trump on Thursday ordered a review of two major proxy advisory firms — companies that advise shareholders on ...

Backed by White House officials, the tech billionaire has lashed out at the European Union after his social media platform X ...

Lagging artificial intelligence developments pushed top researchers and company executives out of Apple, Tesla and Meta.

In partnership with xAI, El Salvador will use Grok to support over 1M students, shaping a new model for AI in global ...

On Wednesday evening, Musk responded to a tweet from Ars Technica senior space editor Eric Berger, who posted a story about ...

Grok declared that it would be okay with genociding close to half of all children in the world to save Elon Musk.

Elon Musk is many things: A tech CEO, a Trump megadonor, the richest person who ever lived. But according to Grok, the chatbot developed by his AI company xAI, he’s so much more than that. Weeks ago, ...

We can debate the worthiness of Elon Musk's accomplishments—building up Tesla, hollowing out the government, shooting for Mars—but we can all agree that his insistence on being seen as funny is his ...