Anthropic in talks to use Microsoft's custom AI Chip after $5 Billion investment deal. Here is what we know
Microsoft is in advanced talks to supply Anthropic with its custom Maia AI chip, following a $5 billion investment deal, as Anthropic seeks to diversify its compute infrastructure amid surging demand. The potential agreement would mark Microsoft’s first major foray into supplying custom AI silicon to a high-profile client, while Anthropic expands its hardware partnerships beyond Nvidia’s GPUs to include AWS Trainium and Google’s TPUs.
Microsoft is negotiating with Anthropic to provide its custom-built Maia AI chip, according to CNBC and a person familiar with the discussions. While no finalized deal exists, the talks—first reported by *The Information*—would deepen Microsoft’s partnership with Anthropic, which already includes a $5 billion investment and a $30 billion Azure cloud commitment. Microsoft’s Maia 200 chip, unveiled in January, delivers over 30% better token efficiency than its existing silicon and is already operational in data centers in Arizona and Iowa. It is also set to power OpenAI’s GPT-5.2 model. Anthropic’s demand for additional compute capacity has grown alongside its products, including Claude AI and Claude Code, which have seen increased usage this year. The company disclosed in a SpaceX filing that it will pay $1.25 billion monthly for computing power through May 2029. Historically reliant on Nvidia GPUs, Anthropic has expanded its hardware partnerships, announcing in April a 10-year, over-$100 billion deal with AWS for Trainium chips and plans in October to use Google’s TPUs. A Microsoft deal would add a fourth major chip supplier to Anthropic’s portfolio, reinforcing its strategy to avoid over-reliance on any single provider. The talks follow Microsoft’s $5 billion investment in Anthropic last November, which included a $30 billion Azure spending commitment. While Microsoft trails Amazon and Google in custom AI silicon adoption, a deal with Anthropic—a leading AI lab—would validate the Maia platform and strengthen its enterprise credibility. Microsoft’s shares saw little movement after the reports, and neither company commented on the negotiations. The potential agreement would give Microsoft a deeper operational role in Anthropic’s AI infrastructure beyond cloud hosting, aligning with its broader push to compete in the custom AI chip market.
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