How much will Anthropic pay for the Nscale data center lease?

Anthropic will pay $45 billion to use the first of three buildings at Nscale's Monarch campus, which covers 460 megawatts.

Why did Google and Microsoft not close the deal?

Microsoft walked away over the summer during a review of its data center portfolio and power generation. Google's deal didn't work out due to an internal review of its computing needs and capex management.

AI Business & IndustrySemafor Tech1h agoAug 29, 2026, 04:00 JST2 min read

Anthropic to pay $45B for Nscale data center lease

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Key takeaway

Anthropic signed a $45 billion lease with Nscale for 460 megawatts of AI computing capacity.
Google and Microsoft had both been in talks for the same capacity.
The project is expected to come online next year.

3 Key Points

What happened
Anthropic will pay $45 billion to lease the first building of Nscale's Monarch campus in West Virginia, covering 460 megawatts. Google and Microsoft were both in talks for the same capacity but walked away.
Why it matters
The deal shows AI companies scrambling to lock in compute capacity as the AI buildout accelerates. Nscale says the full project will be one of the world's largest compute hubs.
What to watch
Microsoft exited the talks over the summer, citing a review of its data center portfolio and power generation. Google's talks fell through due to an internal review of computing needs and capex management.

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Context & Analysis

The competition among tech giants for AI compute capacity is intensifying, as evidenced by the interest in Nscale's Monarch project. Both Google and Microsoft were in talks to lease the same capacity that Anthropic ultimately secured, highlighting the strategic importance of large-scale data centers for AI development.

Nscale's project in West Virginia is designed to be one of the largest compute hubs globally when complete, indicating the scale required to support advanced AI models. Microsoft's decision to step back, citing portfolio review and power generation concerns, suggests a cautious approach to capex amid the AI buildout. Google's internal review similarly points to a strategic reassessment of its computing needs.

For Anthropic, this lease secures a significant chunk of compute capacity, essential for training and running its AI models. The deal also reflects a broader trend where AI companies are willing to commit substantial financial resources to ensure they have the infrastructure needed to compete in the AI race.

FAQ

How much will Anthropic pay for the Nscale data center lease?: Anthropic will pay $45 billion to use the first of three buildings at Nscale's Monarch campus, which covers 460 megawatts.
Why did Google and Microsoft not close the deal?: Microsoft walked away over the summer during a review of its data center portfolio and power generation. Google's deal didn't work out due to an internal review of its computing needs and capex management.

Semafor TechRead Original Article

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