A draft of Anthropic’s initial public offering (IPO) prospectus, reported by Reuters on Monday, Sept. 28, puts a number on the company’s spending plans. The artificial intelligence (AI) lab plans to spend $518 billion on cloud, computing and infrastructure obligations in coming years, according to the draft.
Amazon (AMZN +1.00%) shareholders already know where some of this money is headed. In April, the Claude maker committed more than $100 billion over 10 years to Amazon Web Services (AWS), Amazon’s cloud computing segment. That one contract is around a fifth of the $518 billion.
The draft also shows how the customer behind that contract is doing. It shows large losses. But I think it also shows revenue rising fast enough to make the AWS commitment look affordable.
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Is the AWS deal part of the $518 billion?
Yes. A second Reuters report on Tuesday, Sept. 29, split the total by supplier, and about $110 billion of it is owed to Amazon between May 2026 and…


