Understanding AI

Understanding AI

Tech leaders insist there is no AI bubble

"We keep on having more demand," Mark Zuckerberg said.

Timothy B. Lee's avatar
Kai Williams's avatar
Timothy B. Lee
and
Kai Williams
Oct 31, 2025
∙ Paid
15
2
1
Share

Five of the largest hyperscalers—Alphabet, Microsoft, Amazon, Meta, and Oracle—spent a combined $106 billion on capital investments in their most recent quarters. This was the first time those companies have spent more than $100 billion in a single quarter. It was 9% more than last quarter and a whopping 73% increase from a year earlier.

Four of these companies — all but Oracle — published quarterly financial reports this week. Here’s an update to a chart we first published on Monday:

In earnings calls this week, company leaders stressed that they were not making speculative long-term bets. They said they needed more data centers just to keep up with customer demand.

Keep reading with a 7-day free trial

Subscribe to Understanding AI to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2025 Timothy B Lee
Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture