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Anthropic promises to pay Amazon at least $110 billion through April 2036

Anthropic disclosed in a confidential IPO prospectus that it plans to pay Amazon Web Services at least $110 billion, with payments running from May 2026 through April 2036. The commitment is part of the company’s at least $518 billion in cloud computing and infrastructure obligations to six partners, about 80% of which are under terms that are non-cancelable or payable regardless of actual usage.

The filing makes clear that, like the terms with Google, if actual spending falls short, Anthropic must make up the difference; the Amazon agreement is subject to a similar arrangement. Earlier, in April 2026, Anthropic announced that it would spend more than $100 billion on AWS over the next decade to secure up to 5 GW of computing capacity, including Trainium-series chips. Amazon is also Anthropic’s main investor, having invested about $18 billion in total, including convertible notes and preferred stock, and retains an option to invest more.

Subsequently, WSJ and other media outlets reported based on updated draft prospectuses that Anthropic’s total cloud contracts are about $450 billion, over 7 to 10 years, including $110 billion with Amazon, and that its overall potential computing spend could reach as much as $750 billion, including portions still under negotiation. The company said demand is constrained by computing supply, and that some cloud providers view it as a competitor and are limiting capacity.

Original sources:

  1. Title: Anthropic Plans to Spend $518 Billion on Cloud and Data Centers. More Than $100 Billion Is Already Promised to Amazon. Publisher: The Motley Fool Publication date: 2026-09-30 URL：https://www.fool.com/investing/2026/09/30/anthropic-plans-to-spend-usd518-billion-on-cloud-and-data-centers-more-than-usd100-billion-is-already-promised-to-amazon/ Source type: financial media, based on Reuters’ reporting on the confidential prospectus Verification status: read, cross-checked against multiple sources Support content: $110 billion to Amazon (May 2026 to April 2036), payable regardless of usage

  2. Title: Anthropic's $518b AI buildout hinges largely on deals that cannot be canceled, filing shows Publisher: Reuters (republished by Tribune) Publication date: 2026-09-29 URL：https://tribune.com.pk/story/2632108/anthropics-518b-ai-buildout-hinges-largely-on-deals-that-cannot-be-canceled-filing-shows Source type: wire service report Verification status: read Support content: $110 billion to Amazon, payments through April 2036, make-up-the-difference clause

  3. Title: Anthropic takes $5B from Amazon and pledges $100B in cloud spending in return Publisher: TechCrunch Publication date: 2026-04-20 URL：https://techcrunch.com/2026/04/20/anthropic-takes-5b-from-amazon-and-pledges-100b-in-cloud-spending-in-return/ Source type: technology media report on company announcement Verification status: read Support content: announced in April 2026 that it would spend more than $100 billion on AWS over the next decade

ABAB AI Insight

This arrangement reflects an AI infrastructure “circular financing” structure: Amazon, as an investor, holds Anthropic equity and debt (with the book value rising sharply) while also locking in an income stream as a customer through a long-term take-or-pay contract. Anthropic secures computing capacity, and Amazon gains visibility into AWS demand and a chip tie-in (Trainium); both sides are bound together through both capital and contracts.

The time window extends to 2036, covering multiple model-iteration cycles, reducing the risk that Anthropic will have to interrupt training because of short-term demand swings or supply shortages, but also locking in rigid computing costs. If Claude revenue growth falls short of expectations, the non-cancelable terms would directly translate into cash flow pressure, compounded by the prospectus’ customer concentration risk (nearly a quarter of revenue comes from a small number of customers).

Compared with Google (about $111.1 billion through 2033) and Microsoft (about $31.4 billion), Amazon’s share is among the largest, reflecting its central position in Anthropic’s supply chain. This structure turns computing-supply constraints from a technical issue into a contractual and capital issue; cloud providers are both suppliers and shareholders as well as potential competitors, so pricing power and supply priority may change as the relationship evolves.

ABAB News · Cognitive Law

  1. Long-term non-cancelable compute contracts turn demand volatility into fixed costs, and when suppliers also hold equity, they create a two-way lock on both capital and revenue.

  2. The expansion constraints for AI labs shift from model capability to the contract duration and payment obligations that can secure computing capacity.

  3. The dual role of investor and supplier means the allocation of computing resources is driven by both equity value and contract terms, rather than by simple market supply and demand.