SpaceX acquires xAI as Elon Musk bets big on 1 million satellite constellation for orbital AI

Reviewed byNidhi Govil

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Elon Musk has merged SpaceX with xAI in a bold move to deploy up to 1 million satellites as orbital data centers. The SpaceX xAI merger creates a $1.25 trillion entity aimed at solving AI's growing energy demands by harnessing solar power in space. The plan marks a significant bet on space-based computing infrastructure.

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SpaceX xAI Merger Creates $1.25 Trillion AI-Space Powerhouse

Elon Musk formally announced Monday that SpaceX has acquired xAI, his artificial intelligence startup behind the Grok chatbot, in a move to consolidate his ventures into what the company calls "the most ambitious, vertically integrated innovation engine on (and off) Earth."

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The SpaceX xAI merger values the combined entity at $1.25 trillion, making it the most valuable company in the private sector.

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SpaceX was valued at $800 billion in December during an insider share buyback, while xAI raised $20 billion last month at a $230 billion valuation.

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The deal brings together Musk's rocket manufacturing, Starlink satellite infrastructure, social media platform X, and Grok under one umbrella, setting the stage for an Initial Public Offering planned for later this year.

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1 Million Satellite Constellation to Power Orbital Data Centers

The merger's central purpose is to deploy a vast satellite data center network of up to 1 million satellites that will function as orbital data centers.

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Musk argues that future global electricity demands for AI cannot be met with terrestrial solutions without imposing hardship on communities and the environment.

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The 1 million satellite constellation will build upon SpaceX's existing satellite management expertise from Starlink, including end-of-life disposal strategies.

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SpaceX filed plans with the FCC for the million-satellite network, and FCC chairman Brendan Carr shared the filing on X, signaling regulatory support.

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The proposal has entered public comment phase, though observers note Carr's eagerness to support projects aligned with the Trump administration.

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Solar Energy Economics Drive Space-Based Data Centers Vision

Elon Musk contends that AI computing power in space offers superior economics compared to ground-based facilities. Speaking on the "Cheeky Pint" podcast with Stripe co-founder Patrick Collison and Dwarkesh Patel, Musk explained that solar panels produce approximately five times more power in space than on Earth, making it "much cheaper to do in space."

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He set an aggressive timeline, stating: "You can mark my words, in 36 months but probably closer to 30 months, the most economically compelling place to put AI will be space."

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Musk predicted that within five years, annual launches of AI infrastructure to space will exceed Earth's cumulative total.

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For context, global data center capacity is estimated to reach 200 GW by 2030, representing roughly $1 trillion in ground-based infrastructure.

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Starship Development Critical to Powering AI Development Ambitions

The plan to deploy space-based data centers relies heavily on SpaceX's still-in-development Starship launch system. Musk claims Starship will eventually enable hourly launches, each carrying up to 200 tons of material into orbit.

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However, Starship's ability to launch satellites into orbit remains largely unproven, and development is behind schedule.

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SpaceX has provided scant details about what form the proposed satellites would take or how they would handle challenges like cooling and radiation protection.

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Technology analyst Robert Scoble notes that SpaceX already operates approximately 9,000 satellites through Starlink, providing experience with satellite grids and internet distribution.

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Tesla Integration Signals Broader AI Computing Strategy

The merger extends beyond SpaceX and xAI. Tesla announced it would halt production of Model S and Model X vehicles to repurpose factories for manufacturing Optimus humanoid robots, with Musk targeting 1 million third-generation units annually.

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Tesla also committed $2 billion in investment to xAI.

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According to Merve Hickok at the University of Michigan, "By merging xAI and SpaceX, Musk is likely looking for resource optimisation across data flows, energy and computing power."

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The strategy appears designed to create a computing network that can support Tesla's humanoid robots, which require substantial AI processing for real-world interaction.

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Financial Pressures and Competitive Positioning

While Musk frames the consolidation as forward-looking, some analysts view it differently. Edward Niedermeyer, author of "Ludicrous: The unvarnished story of Tesla motors," characterizes the move as "defensive," designed to secure financing as the companies burn through cash training and operating AI models.

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The upcoming IPO could provide access to public investor capital needed to fund these expensive operations.

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Scoble suggests the integration positions Musk to dominate AI in ways competitors like OpenAI, Google, and Microsoft cannot match, given none possess equivalent launch provider capabilities or satellite infrastructure.

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xAI has already faced regulatory scrutiny, with the EPA recently censuring the company for exceeding power generation limits at its Colossus data center in Memphis, Tennessee.

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This incident underscores the energy constraints driving Musk's space-based vision. The merger marks Musk's continued pattern of consolidating his empire, following xAI's acquisition of X last year in a deal that valued that combination at over $110 billion.

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