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CoreWeave rents out warehouses full of Nvidia AI chips to companies that need huge computing power.
CoreWeave is a "neocloud" — a cloud computing company built specifically for artificial intelligence. It owns data centers packed with tens of thousands of Nvidia graphics chips, the scarce hardware that trains and runs AI models, and rents access to those chips by the hour. Its customers are the companies building AI: Microsoft, which has been its largest client, plus AI labs like OpenAI and Mistral, and smaller startups that could never afford to buy this hardware themselves. Renting beats buying because a single top-tier AI chip can cost tens of thousands of dollars, and customers would rather pay for what they use than tie up cash in equipment that goes obsolete.
The business has a twist that makes it unusual: CoreWeave started in 2017 as Atlantic Crypto, a cryptocurrency mining operation, when its founders realized the same Nvidia chips used to mine Ethereum could be rented out for other computing work. When crypto crashed, they pivoted fully into AI cloud hosting and renamed the company. That head start — years of experience buying, racking, and cooling Nvidia chips — gave it a real edge when the AI boom hit and everyone suddenly needed GPUs. It went public on Nasdaq in March 2025.
The catch is that this is a brutally capital-hungry business. CoreWeave must spend billions buying chips and building data centers before it collects a dollar from customers, so it carries heavy debt — much of it secured against the chips themselves, which lose value fast. It is also dangerously concentrated: a handful of customers, Microsoft above all, generate most of its revenue, and those customers could build their own data centers or shift to rivals like Amazon, Google, and Microsoft's own Azure. Nvidia has even invested in CoreWeave, a sign of how tightly the two are linked — and a reminder that if AI spending ever cools, the landlord of the AI boom feels it first.
Saved answer · last researched 21 Oct 2026