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Elon Musk’s SpaceX officially acquires Elon Musk’s xAI, with plan to build data centers in space

SpaceX has acquired Elon Musk’s artificial intelligence startup, xAI, creating the world’s most valuable private company, the spaceflight company announced Monday.

Musk, who is also the CEO of SpaceX, wrote in a memo posted to the rocket company’s website that the merger is largely about creating space-based data centers — an idea he has become fixated on over the last few months.

“Current advances in AI are dependent on large terrestrial data centers, which require immense amounts of power and cooling. Global electricity demand for AI simply cannot be met with terrestrial solutions, even in the near term, without imposing hardship on communities and the environment,” he wrote. (xAI has been accused of imposing some of that hardship on the communities near its data centers in Memphis, Tennessee.)

The tie-up values the combined company at $1.25 trillion, according to Bloomberg News, which was first to report the completed deal. SpaceX has been reportedly preparing an IPO for as early as June of this year. It’s unclear whether the merger will affect that timeline. Musk did not address the IPO in his public memo.

The merger brings together two of Musk’s companies, each with its own financial challenges. xAI is currently burning around $1 billion per month, according to Bloomberg. SpaceX, meanwhile, generates as much as 80% of its revenue from launching its own Starlink satellites, according to Reuters. Last year, xAI acquired X, the social media company also owned by Musk, with Musk claiming a combined company valuation of $113 billion.

Musk wrote in his memo that it will take a constant stream of many — although he did not specify how many — satellites to create these space-based data centers, ensuring that SpaceX will have an even-larger constant stream of revenue for the foreseeable future. (That revenue loop likely looks even more attractive when you consider that satellites are required to be de-orbited every five years by the Federal Communications Commission.)

While space data centers may be the stated goal, SpaceX and xAI have very different near-term objectives.

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On June 23 in Boston, more than 1,100 founders come together at TechCrunch Founder Summit 2026 for a full day focused on growth, execution, and real-world scaling. Learn from founders and investors who have shaped the industry. Connect with peers navigating similar growth stages. Walk away with tactics you can apply immediately

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SpaceX is currently trying to prove that its Starship rocket is capable of bringing astronauts to the moon and Mars, while xAI is competing with leading artificial intelligence companies like Google and OpenAI. The pressure on xAI is so great, the Washington Post reported Monday, that Musk loosened restrictions on the company’s chatbot Grok — which contributed to it becoming a tool for making AI-generated nonconsensual sexual imagery of adults and children.

Musk is also the head of Tesla, The Boring Company, and Neuralink. Tesla and SpaceX previously invested $2 billion each in xAI.

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TIME names ‘Architects of AI’ its Person of the Year

Each December, TIME Magazine names a person of the year — someone who has most influenced the news and world, for good or ill. Last year, TIME chose President Donald Trump for the second time. The year before that, it was Taylor Swift, who many claimed saved the economy from a recession with her Eras Tour. In 1938, the magazine chose Adolf Hitler

This year, TIME has chosen to bestow its award on not just one person, but a group of people: the so-called “Architects of AI,” comprising the CEOs shaping the global AI race from the U.S. With AI on everyone’s minds, embodying hope for a small minority and economic anxiety for a majority, per recent Edelman data, this tracks.

“For decades, humankind steeled itself for the rise of thinking machines,” the article reads. “Leaders striving to develop the technology, including Sam Altman and Elon Musk, warned that the pursuit of its powers could create unforeseen catastrophe […] This year, the debate about how to wield AI responsibly gave way to a sprint to deploy it as fast as possible.”

Based on one of TIME’s two cover photos, some of those people appear to be Nvidia’s Jensen Huang, Tesla’s Elon Musk, OpenAI’s Sam Altman, Meta’s Mark Zuckerberg, AMD’s Lisa Su, Anthropic’s Dario Amodei, Google DeepMind’s Demis Hassabis, and World Labs’ Fei-Fei Li — all individuals who raced “both beside and against each other.” 

TIME writes that these individuals, through their multibillion-dollar bets on “one of the biggest physical infrastructure projects of all time,” have reshaped government policy, turned up the heat on geopolitical competition, and pushed AI adoption forward. 

This is the story of how AI changed our world in 2025, in new and exciting and sometimes frightening ways. It is the story of how Huang and other tech titans grabbed the wheel of history, developing technology and making decisions that are reshaping the information landscape, the climate, and our livelihoods… AI emerged as arguably the most consequential tool in great-power competition since the advent of nuclear weapons.

TIME only announced the news on Thursday morning, but images of the cover photo were leaked on prediction market Polymarket on Wednesday evening.

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