Anthropic's S-1 Filing Reveals $417bn in Compute Commitments

Anthropic has filed its S-1 paperwork to go public on the Nasdaq under the symbol ANT, disclosing $417 billion in aggregate future minimum payment obligations tied to compute and infrastructure leases and purchase commitments as of December 2025.

The 335-page filing pulls back the curtain on the generative AI firm's financials and its rapidly expanding data center footprint. The headline numbers: revenue grew 1,300 percent in the first half of the year to $16.3 billion, against a reported net loss of $80.7 billion — of which $72.4 billion stemmed from a one-off accounting charge.

What do the operating numbers show?

Beneath the one-off charge, the loss picture is narrowing. Operating losses shrank to $693 million in the first half of the year, down from $2.1 billion in the same period of 2025. The company also reported $6.2 billion in debt on its balance sheet.

The dominant cost driver is compute. Anthropic stated in the filing: "Expected future fixed or minimum guaranteed commitments under these agreements were approximately $265.6bn with terms ranging from one to 20 years."

The company has also signed compute and infrastructure agreements that carry no fixed or minimum dollar commitment. "Payments under these agreements will depend on the capacity made available and deployed, delivery timing, and pricing, and are not yet determinable," the filing said, adding that "such payments are expected to be significant."

In short: the guaranteed compute bill alone runs to more than a quarter of a trillion dollars.

How is the $417bn structured?

Anthropic said it has "entered into new, and amended existing, lease and commercial agreements primarily to secure additional compute and infrastructure capacity, with aggregate future minimum payment obligations of approximately $417bn."

The obligations break down into several tranches:

• Leases for compute equipment and data centers, plus purchase commitments with certain cloud providers, commencing between 2026 and 2027, with terms running from less than one year to 20 years.
• Expanded existing commercial agreements for additional capacity to be delivered between 2028 and 2031. Because commercial terms are not yet finalized, Anthropic estimates aggregate future payments under these agreements at $125 billion to $150 billion.

Specific deals named in the filing include:

• A 20-year lease for a data center that has yet to be constructed.
• An agreement to rent compute, paid for with up to $42 billion in convertible promissory notes.
• A $500 million power purchase contract that runs in favor of the power counterparty, part of a deal with a data center provider.

In April 2026, Anthropic deposited $2.5 billion into an escrow account in connection with a compute and infrastructure lease agreement.

The filing names no single supplier as dominant, but Anthropic is a known customer of Google, AWS, Microsoft, SpaceXAI, Fluidstack, Nscale, Akamai, Lambda and others.

Is the spend paying off?

Anthropic argues the answer is yes, on a per-dollar basis. Despite compute costs climbing, the company said revenue per dollar of compute is improving.

"For example, our revenue grew 1,368 percent year over year for the three months ended June 30, 2026, compared to our compute and infrastructure expenses that grew 300 percent during the same period," the filing stated.

That spread — revenue compounding more than four times faster than compute expense — is the core economic claim investors will weigh against the $417 billion commitment stack.

Anthropic has not yet announced a listing date or share price range. The S-1 filing moves the company one step closer to a public debut on the Nasdaq under the ticker ANT.