Anthropic signs $45B Nscale compute deal

Anthropic has committed $45 billion over six years to rent AI cloud capacity from Nscale, about 460 megawatts drawn from the operator's flagship data center development in West Virginia. Bloomberg reported the terms of the agreement, which surfaced in a post on Threads.

At a glance

• Nscale will meet the load with Nvidia's Vera Rubin chips, the generation that begins coming online late next year, deployed at the developer's flagship West Virginia campus.
• Three numbers define the deal: $45 billion in committed spending, six years of duration and about 460 megawatts of contracted power drawn from a single development rather than spread across sites.
• Anthropic is renting capacity rather than building it: construction, siting and power procurement stay with Nscale, while the lab's obligation is a payment stream running the length of the six-year term.

The scale of the commitment reads as a supply lock rather than an opportunistic purchase: six years of contracted capacity is a long horizon in a market where delivery slots, not model design, increasingly set what a lab can train and serve. Renting from an operator also shifts capital and construction risk away from Anthropic, though it ties the lab's roadmap to a single development's build pace and to Nvidia's delivery timeline.

The capacity comes from Nscale's flagship data center development in West Virginia. Bloomberg put the commitment at $45 billion across six years and the associated power at about 460 megawatts, measured as electrical capacity rather than chip counts or rack numbers.

Nscale plans to serve Anthropic's workload with Nvidia's Vera Rubin chips. Those chips start to come online late next year, so the hardware timeline sits with Nvidia while the site itself is Nscale's to deliver, and Anthropic buys the output as cloud capacity.

Power, not hardware, is the unit of the contract. Data center deals are increasingly written in megawatts because electricity and grid connections, rather than chip supply alone, set the pace of new capacity. The Nscale agreement follows that form, with the chip generation named separately.

Anthropic has drawn capacity from more than one cloud supplier, a structure common among labs training frontier models. The Nscale contract adds a dedicated operator to that mix, with a single West Virginia buildout named as the source of the contracted capacity.

When the Vera Rubin capacity lands

Nvidia's Vera Rubin chips start coming online late next year, the one dated milestone in the reporting. The reporting does not break the $45 billion into annual payments, name a start date for the six-year term, or describe how the roughly 460 megawatts ramps across the West Virginia development. Nor is the cost per megawatt spelled out.