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Anthropic's $84.5B Bet on SpaceX's Compute Power

Anthropic's $84.5 Billion Bet on SpaceX's Compute Power

When Anthropic filed for its IPO, few expected the fine print to reveal a deal this big. According to regulatory documents obtained by Reuters, the AI company has agreed to pay SpaceX up to $84.5 billion for AI computing power over the next few years. That's nearly double the $42.5 billion figure that circulated back in May.

The Deal: Bigger Than We Thought

Back in May, SpaceX first mentioned the partnership in its own IPO filing. The plan seemed straightforward: Anthropic would rent GPU capacity from two of SpaceX's data centers, Colossus 1 and Colossus 2, to the tune of $1.25 billion per month from May 2026 through May 2029. But the newly leaked prospectus shows the actual commitment is far larger—$84.5 billion, not $42.5 billion.

Why the discrepancy? Neither company has explained, but the revised number suggests Anthropic is securing more compute than originally planned.

Musk's "Compute Superfactory"

For SpaceX, the timing couldn't be better. Elon Musk is in the midst of a massive AI infrastructure push, and Colossus 2—dubbed a "compute superfactory"—is central to that vision. The facility aims to bring over one million GPUs online by year's end, most based on NVIDIA's Blackwell architecture. After merging with xAI in January, SpaceX isn't just launching rockets and satellites anymore; it's also a major player in the compute rental market. And Anthropic is its biggest external customer.

An Escape Hatch

Despite the eye-popping sum, the agreement isn't ironclad. Most terms allow Anthropic to walk away with just 90 days' notice. Even for long-term commitments, the company can adjust its strategy as market conditions shift. That flexibility is crucial in a field where technology and costs evolve rapidly.

The Broader Picture: An Expensive Race

Anthropic's bet on SpaceX is part of a much larger spending spree. The company expects to invest at least $518 billion in AI infrastructure over the next decade, partnering with Amazon, Alphabet, and Microsoft alongside SpaceX. As training costs soar, access to GPUs has become the ticket to the next generation of AI. Data centers and compute power are now the most strategic assets in tech.

In this high-stakes game, Anthropic is placing a massive chip on the table. Will it pay off? Only time will tell.

Key Points:

  • Anthropic's compute deal with SpaceX is worth up to $84.5 billion, double earlier estimates.
  • The agreement covers GPU capacity from SpaceX's Colossus 1 and 2 data centers.
  • SpaceX's Colossus 2 aims to have over one million GPUs online by the end of the year.
  • Anthropic can terminate most of the agreement with 90 days' notice, maintaining flexibility.
  • The deal is part of Anthropic's planned $518 billion investment in AI infrastructure over ten years.