Anthropic signs Elon Musk's SpaceX for Colossus 1 compute ahead of June IPO
The Claude maker said Wednesday it would use all the compute capacity at SpaceX's Colossus 1 data center, the latest partnership stitched onto its AI infrastructure buildout.
By Shaurya MalwaUpdated May 6, 2026, 6:23 p.m. Published May 6, 2026, 6:20 p.m. 2 min readMake preferred on
What to know:
- Anthropic has signed a deal to use all compute capacity at SpaceX’s Colossus 1 data center, securing access to more than 220,000 Nvidia GPUs within a month.
- The agreement immediately boosts Anthropic’s Claude services, raising Claude Opus API rate limits and doubling Claude Code’s five-hour limits for paid and enterprise customers.
- The partnership comes just weeks before SpaceX’s planned IPO, bolstering its pitch as an AI infrastructure provider while Anthropic pursues broader global expansion and explores orbital compute collaborations.
Anthropic just made Elon Musk's SpaceX a key supplier to its AI ambitions, and the timing is hard to miss.
The Claude maker said Wednesday it had signed a deal to tap all of the compute capacity at SpaceX's Colossus 1 data center, locking in access to more than 220,000 NVIDIA GPUs within the month.
The agreement directly expands what Anthropic can serve to Claude Pro and Claude Max subscribers, with Claude Opus API rate limits raised significantly and Claude Code's five-hour rate limits doubled for Pro, Max, Team and Enterprise plans, all effective Wednesday.
The Colossus 1 deal is the latest in a growing stack of Anthropic compute partnerships.
The company has previously signed an up to 5 gigawatt agreement with Amazon that includes nearly 1 gigawatt of new capacity by year-end, a 5 gigawatt deal with Google and Broadcom that comes online in 2027, a Microsoft-NVIDIA strategic partnership covering $30 billion of Azure capacity, and a $50 billion U.S. AI infrastructure investment with Fluidstack.
Anthropic also flagged interest in partnering with SpaceX on orbital AI compute capacity, expanding the relationship beyond terrestrial data centers.
The timing matters because SpaceX is weeks away from going public.
The Musk-led firm filed confidentially with the SEC on April 1 for an IPO targeting a $1.75 trillion to $2 trillion valuation, with the public S-1 expected by late May and the roadshow set for the week of June 8.
Adding Anthropic as a named compute customer ahead of the listing strengthens SpaceX's pitch as more than a launch and Starlink business, with AI infrastructure now a disclosed revenue line.
The deal also lands as Anthropic continues international expansion to meet data residency requirements in regulated industries.
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