Anthropic and Microsoft in Talks Over Maia 200 AI Chip Deal
CNBC confirmed Thursday that Anthropic and Microsoft are in active discussions over the use of Microsoft’s Maia 200 chip. No agreement has been finalized, according to a person familiar with the matter who declined to be named.
Microsoft’s Custom Silicon Push
The Maia 200 chip is Microsoft’s second-generation custom AI processor. The company unveiled it in January but has yet to offer it to Azure cloud customers. It currently runs exclusively inside Microsoft’s own data centers. Microsoft CEO Satya Nadella said during the company’s April earnings call that the Maia 200 delivers more than 30% better tokens-per-dollar efficiency compared to other silicon in its fleet. Deployments are now active in facilities across Arizona and Iowa. A deal with Anthropic would mark a meaningful commercial milestone for the chip.
Why Anthropic Needs More Compute
Anthropic co-founder and CEO Dario Amodei acknowledged at a public event earlier this month that the company has run into “difficulties with compute.” Demand for its Claude assistant and Claude Code programming tool has surged in 2026. That growth has intensified the pressure to secure reliable, cost-effective processing capacity. On Wednesday, a separate disclosure revealed Anthropic will pay SpaceX roughly $1.25 billion per month through May 2029 for computing resources.
A Web of Cloud Partnerships
The potential Microsoft arrangement would add to an already complex supplier picture for Anthropic. In November, Microsoft pledged $5 billion in investment while Anthropic committed to spending $30 billion on Azure infrastructure. Anthropic also maintains partnerships with Amazon Web Services and Google. In April, it announced a 10-year deal worth more than $100 billion to use AWS’s custom Trainium chips. It separately agreed to adopt Google’s tensor processing units, announced last October. Anthropic has historically leaned on Nvidia GPUs for training and inference workloads. Adding Microsoft’s custom silicon would further diversify that stack.
Background: Microsoft Trails Rivals on Custom Silicon
Microsoft has lagged behind Amazon and Google in bringing proprietary AI chips to market for external customers. Both AWS and Google have offered custom accelerators to cloud clients for several years. A successful deployment with a high-profile partner like Anthropic could help Microsoft close that gap and validate the Maia 200 as a credible alternative to Nvidia hardware. Neither Anthropic nor Microsoft responded to CNBC’s request for comment before publication.
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