Microsoft has canceled some leases for US data center capacity, according to TD Cowen, raising broader concerns over whether it's securing more AI computing capacity than it needs in the long term. From a report: OpenAI's biggest backer has voided leases in the US totaling "a couple of hundred megawatts" of capacity -- the equivalent of roughly two data centers -- canceling agreements with at least a couple of private operators, the US brokerage wrote Friday, citing "channel checks" or inquiries with supply chain providers. TD Cowen said its checks also suggest Microsoft has pulled back on converting so-called statements of qualifications, agreements that usually lead to formal leases.

Microsoft in a statement on Monday reiterated its spending target for the fiscal year ending June, but declined to comment on TD Cowen's note. Exactly why Microsoft may be pulling some leases is unclear. TD Cowen posited in a second report on Monday that OpenAI is shifting workloads from Microsoft to Oracle as part of a relatively new partnership. The tech giant is also among the largest owners and operators of data centers in its own right and is spending billions of dollars on its own capacity. TD Cowen separately suggested that Microsoft may be reallocating some of that in-house investment to the US from abroad.

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