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SpaceX Partners with Anthropic for Compute Power · Minds, Bodies, and Terawatts

• 0:00
  [Host] This is Minds, Bodies, and Terawatts, where your competitors become your landlords. The Wall Street Journal and Axios reported yesterday that Anthropic has signed for the entire compute capacity of SpaceX's Colossus 1 data center in Memphis.
• 0:17
  [Guest] 300 megawatts and 220,000 Nvidia GPUs, online within the month. Elon Musk's infrastructure powering his direct AI competitor.
• 0:26
  [Host] How does that happen?
• 0:28
  [Guest] SpaceX absorbed xAI in a merger this year. xAI moved training to the newer Colossus 2, leaving Colossus 1 running at just 11% GPU utilization. The Information called it dead capital. Leasing it converts that to revenue.
• 0:46
  [Host] And Anthropic was desperate enough to take that call?
• 0:50
  [Guest] At Anthropic's developer conference Wednesday, Dario Amodei said the company could grow 80x this year. Claude Code drove most of it. Rate limits tightened, paying users complained, and Fortune reported a quality backlash by April.
• 1:07
  [Host] But Anthropic already has tens of billions in forward compute contracts with Amazon, Google, Microsoft, and Fluidstack. So why lease from a rival?
• 1:18
  [Guest] None of those deliver before late 2026. Forbes calls it the largest forward compute commitment in AI history. Forward doesn't help when you're throttling paying customers today.
• 1:31
  [Host] And what changes for users?
• 1:33
  [Guest] Same day as the announcement, Anthropic doubled Claude Code's usage limits and removed peak-hour restrictions for paying subscribers. Straight line from a data center lease to product behavior.
• 1:46
  [Host] Push back though. Eleven percent utilization means xAI built more than it could use. Isn't SpaceX just dumping idle hardware?
• 1:56
  [Guest] Both things are true. SpaceX gets a marquee AI customer right before a Reuters-reported IPO. Anthropic gets immediate capacity. The deal works because both sides were stuck.
• 2:09
  [Host] 300 megawatts powers about 300,000 homes. Where does the power come from?
• 2:15
  [Guest] Natural gas turbines that bypass the Memphis grid. The NAACP has sued xAI over similar unpermitted turbines at its next-door Mississippi facility. Two years ago this building made refrigerators. Now it draws more electricity than some small cities.
• 2:33
  [Host] The IEA projects data center electricity reaching 3% of global supply by 2030. This deal wasn't in any forecast.
• 2:42
  [Guest] Right. When Anthropic plugs into 300 megawatts overnight, that load wasn't on any grid model. Every new lab scrambling for capacity adds demand the planners didn't see.
• 2:55
  [Host] Both companies also floated orbital data centers. Two years ago that's a punchline.
• 3:01
  [Guest] Amodei called the growth "too hard to handle." The announcement says Anthropic is interested in multiple gigawatts of orbital compute. SpaceX owns the rockets. In orbit there's no permitting board and no grid to overload.
• 3:18
  [Host] Compute infrastructure is starting to look like oil pipelines did in the twentieth century.
• 3:25
  [Guest] Nations with cheap, reliable power hold the advantage. Companies controlling both energy and delivery become gatekeepers to AI itself. This isn't a GPU rental. It's about who owns the physical layer of intelligence.
• 3:40
  [Host] Patrick Deglon calls this the Electron Gap. When Anthropic's compute roadmap runs through Elon Musk's spare GPUs, the bottleneck isn't algorithms anymore.
• 3:51
  [Guest] For more on the infrastructure layer of AI and where the next bottleneck shows up, head to unscarcity dot ai. The book is on Amazon, the audiobook is on Spotify. This has been Minds, Bodies, and Terawatts.