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Elon Musk just became the first person ever worth $800 billion or more after his rocket maker SpaceX acquired his artificial intelligence and social media company xAI. Forbes estimates that the deal, which values the combined company at $1.25 trillion, boosted Musk’s fortune by $84 billion, to a record $852 billion. Before the deal, Musk owned an estimated 42% stake in SpaceX worth $336 billion, based on a tender offer launched in December that valued the privately-held rocket maker at $800 billion. He also owned an estimated 49% stake in xAI worth $122 billion, based on a private fundraising round...

As Elon Musk tries to sweep his Mars ambitions under the rug like an embarrassing teenage phase, he’s now shifting focus to the Moon — with no less eye-brow raising ideas. According to new reporting from the New York Times, Musk told employees at xAI — his AI company recently acquired by SpaceX — that it needs to construct a factory on the Moon to churn out AI satellites. And to launch the satellites into space, he says, it needs to build an enormous electromagnetic catapult. Sci-fi readers already know where this is going: Musk is thinking about building a...

In the last week SpaceX has acquired XAI and presumably related to that they submitted plans to the FCC exploring the construction of a compute cluster in Earth orbit with one million spacecraft. So, I try to use Universe Sandbox to visualize this.... and it's not easy. For technical reasons this is a limited version visualizing the kind of orbits we expect, but you can play with it yourself if you own Universe Sandbox. What Would SpaceX's Space Datacenter Plans Look Like? | 11:31 Scott Manley | 1.83M subscribers | 50,409 views | February 10, 2026

SpaceX is considering a potential merger with either Tesla or xAI, according to people familiar with the matter. Bloomberg's Loren Grush and Kiel Porter break down what this possible consolidation of Elon Musk's empire could mean with Caroline Hyde and Ed Ludlow on "Bloomberg Tech." SpaceX Said to Consider Merger With Tesla or xAI | 4:57 Bloomberg Technology | 715K subscribers | 10,262 views | January 30, 2026

Grok goes Global with KSA: Announcing our landmark partnership with Saudi Arabia and @HUMAINAI—the first time a country adopts Grok at scale. xAI will build a new generation of hyperscale GPU data centers in the Kingdom, deploying Grok nationwide.

Tesla boss Elon Musk has become the first person ever to achieve a net worth of more than $500bn (£370.9bn), as the value of the electric car company and his other businesses have risen this year. The tech magnate's net worth briefly reached $500.1bn on Wednesday afternoon New York time, before dipping slightly to just over $499bn later in the day, the Forbes billionaires index reported. Alongside Tesla, valuations of his other ventures, including the artificial intelligence start-up xAI and rocket company SpaceX, have also reportedly climbed in recent months. The milestone further cements Musk's status as the world's richest...

We are building Grokipedia @xAI. Will be a massive improvement over Wikipedia. Frankly, it is a necessary step towards the xAI goal of understanding the Universe.

The world’s richest person announced on Friday that he has combined two of his multi-billion-dollar companies. Here’s how much Musk stands to make from the highly unusual deal. On Friday evening, Elon Musk announced on his social media company X that xAI, his artificial intelligence startup, had bought X in an all-stock transaction. According to Musk, the deal values the newly combined company called xAI Holdings at $113 billion. The move to combine X and xAI invites criticism, given that Musk controls both companies. It also doesn’t help that X has struggled since he took the company private in 2022....

Editor’s Note: Below is Grok, the chatbot for xAI that is available on X, answering the question about why xAI just acquire X. For those unfamiliar with how chatbot articles work, they take data available to them through their various datasets and compile what they believe to be “scholarly” or “journalistic” posts. They are rarely accurate, though they’re getting better. In this case, the article that Grok spit out is accurate… almost eerily so… ============================================================== On March 28, 2025, Elon Musk announced that xAI, his artificial intelligence company, had acquired X, the social media platform formerly known as Twitter, in...

Since its founding two years ago, xAI has rapidly become one of the leading AI labs in the world, building models and data centers at unprecedented speed and scale. X is the digital town square where more than 600M active users go to find the real-time source of ground truth and, in the last two years, has been transformed into one of the most efficient companies in the world, positioning it to deliver scalable future growth. xAI and X’s futures are intertwined. Today, we officially take the step to combine the data, models, compute, distribution and talent. This combination will...

Elon Musk's artificial intelligence startup xAI has introduced Grok-3, the latest iteration of its chatbot, as it looks to compete with Chinese AI firm DeepSeek, Microsoft-backed OpenAI, and Alphabet's Google. Grok-3 debut comes at a critical moment in the AI arms race, just days after DeepSeek unveiled its powerful open-source model and as Musk moves aggressively to expand xAI's influence. The chatbot is being rolled out immediately to Premium+ subscribers on X, the social media platform owned by Musk. xAI is also launching a new subscription tier, SuperGrok, for users accessing the chatbot via its mobile app and Grok.com website....