The nscale anthropic deal pipeline is growing. Nscale is in talks to sell AI computing power to Claude maker Anthropic in a new deal that could be worth about $45 billion, a person familiar with the matter told Reuters on Monday. The talks follow an August deal in which Anthropic struck an agreement to spend $45 billion renting AI cloud computing power from Nscale’s West Virginia campus. A second Monarch building would deliver 460 megawatts of computing power using Nvidia’s advanced Vera Rubin AI chips, according to the source. Anthropic also has the right of first refusal on Monarch’s expected third building, the person said, adding that discussions were ongoing and details of the plan could change. Anthropic did not immediately respond to a Reuters request for comment.
The talks follow an August deal in which Anthropic struck an agreement to spend $45 billion renting AI cloud computing power from Nscale’s West Virginia campus. A second Monarch building would deliver 460 megawatts of computing power using Nvidia’s advanced Vera Rubin AI chips, according to the source. Anthropic also has the right of first refusal on Monarch’s expected third building, the person said, adding that discussions were ongoing and details of the plan could change. Anthropic did not immediately respond to a Reuters request for comment.
Bloomberg, which first reported the news, also said a cohort of investors had urged Anthropic to lower its IPO valuation target after a series of market setbacks for AI companies. The report lands at a moment of intense scrutiny of the debt-fuelled buildout of AI infrastructure.
Nscale Anthropic Deal Deepens the AI Infrastructure Bet
Nscale has grown with extraordinary speed since launch, increasing its total contracted value from $100 million to more than $103 billion in two and a a half years, competing with Nebius, Crusoe and Lambda. According to the Nscale prospectus, Microsoft and Anthropic are expected to be the company’s major customers in the future.
The news of a potential second tie-up comes after Microsoft pulled out of a deal to anchor a flagship data centre for Nscale, following power connection delays that pushed its expected supply date into the 2030s. Landing Anthropic twice over would more than compensate, cementing the Claude maker’s position as the anchor tenant of Nscale’s ambitions.
Nscale Anthropic Deal Faces Investor Scrutiny
Investors have sharpened their scrutiny of companies that are increasingly turning to debt-driven AI infrastructure expansion. Last week, Nscale rival CoreWeave’s shares slumped amid concerns over its $50 billion debt load, fuelling a global selloff in AI stocks. The episode revived questions about whether the industry’s capital expenditure cycle is outrunning the revenue it can generate.
The reported investor pressure on Anthropic to lower its IPO valuation target reflects the same anxiety. AI labs need vast computing capacity to train and serve their models, but the financing structures behind that capacity, loaded with debt and long-dated commitments, are being stress-tested by public markets for the first time.
What the Nscale Anthropic Deal Means for the AI Race
For Anthropic, securing a second $45 billion tranche of computing would lock in the infrastructure underpinning its race with OpenAI and Google. The 460 megawatts of Vera Rubin-powered capacity at Monarch would rank among the largest single AI compute deployments announced to date, a statement of intent as much as a procurement decision.
The backdrop is a market reappraising the cost of the AI buildout. CoreWeave’s slump on debt concerns, the reported investor push to trim Anthropic’s IPO valuation, and Microsoft’s withdrawal from its Nscale anchor deal all point to the same tension: insatiable demand for computing colliding with harder questions about how it is financed. If the second Monarch deal closes, it will show that, for the biggest AI labs, the answer is still to build.

