Taiwan’s chipmaking giant TSMC to invest $1B in Anthropic, OpenAI

TSMC's board approved plans to invest up to $500 million in OpenAI preferred stock and another $500 million in Anthropic common shares at its expected IPO price, according to Reuters as cited by Ars Technica. The company that physically manufactures most of Nvidia's AI data center chips will now hold direct stakes in two of the largest buyers of that hardware.

The Wall Street Journal framed the move as a possible shot of confidence while the AI trade shows strain. Analysts quoted by the Journal also warned that circular financing among investors, suppliers and customers makes real demand harder to judge.

We don't think this deal is reckless. TSMC has reported six straight quarters of record profit, including more than $23 billion in the July through September quarter, per Reuters. A billion dollars split between the two leading labs is a modest bet for a company that already wins whenever either of them buys more compute.

That is exactly why it deserves a closer look. When a supplier invests in a customer that buys from the supplier, part of the money tends to come back as orders. Nvidia has done the same at far larger scale, with $30 billion in OpenAI and $10 billion in Anthropic so far. Each deal can make sense alone. Together they make it harder to tell how much AI demand is organic and how much is financed by the people selling the picks and shovels.

The Anthropic piece stands out. TSMC is committing to buy at the expected IPO price, which reads as an anchor for the offering. That helps Anthropic, and it may help public investors feel steadier. It also means one more large player has a stake in the IPO going well.

Where this leads if it scales: a tightly coupled industry where chipmakers, cloud providers and labs all hold pieces of one another. That can speed up useful build-outs. It can also mean that if demand disappoints, the losses travel in a circle too. I'm watching whether disclosures get clearer as these ties multiply.

TSMC makes most of Nvidia's AI chips and most of Apple's custom silicon. Its fabs are mainly in Taiwan, with operations in Japan and China, an expanding Arizona cluster, and a fab under construction in Germany.