There is a bubble in speak of an “AI bubble.”
The phrase “AI bubble” appeared in 42 earnings calls and investor convention transcripts between October and December — a 740% improve from the earlier quarter, in keeping with an AlphaSense evaluation.
Within the third quarter of 2025, 5 transcripts talked about the time period. The quarter earlier than that, 4. For all of 2024, executives and analysts used the phrase in 24 transcripts complete. In 2023, it was 9. (The evaluation counted transcripts the place “AI” and “bubble” appeared inside 5 phrases of one another.)
Now dozens of firms throughout semiconductors, cloud infrastructure, monetary companies, and industrials are fielding some model of the identical query: Is the AI growth a bubble?
At UBS’s World Know-how and AI Convention on December 2, AMD CEO Lisa Su instructed traders, “from the standpoint of, , will we see a bubble? We do not see a bubble.”
Nvidia CFO Colette Kress equally swatted the premise apart, describing it onstage as a “supposed AI bubble.”
Her boss, CEO Jensen Huang, mentioned as a lot in Nvidia’s November earnings name. “There’s been loads of speak about an AI bubble,” he mentioned. “From our vantage level, we see one thing very completely different.”
Aixtron, a German semiconductor-equipment maker, was requested in its November earnings name whether or not prospects would possibly sluggish capability plans if AI enthusiasm wanes. Coface, a Paris-based credit score insurer, described re-running the maths on large AI-related capital requests to make sure they maintain up even when “bubble-type enthusiasm” fades.
So why the sudden spike?
Analysts pointed to the sheer scale of the numbers being tossed round.
“We have been seeing these big partnerships and folks throwing out cash quantities for infrastructure — like trillions of {dollars} — which I can not keep in mind ever listening to earlier than,” Sarah Hoffman, director of AI thought management at AlphaSense, instructed Enterprise Insider. That hole between the trillions being invested and the billions in income from many AI efforts, she mentioned, “is what’s getting individuals slightly bit freaked out.”
Gil Luria, managing director and head of know-how analysis at DA Davidson, mentioned analysts and CEOs are voicing anxieties they’re already listening to from traders.
Luria pointed to what he known as “circular transactions” as one source of anxiety. “Nvidia investing a greenback in CoreWeave, CoreWeave borrows 9, and makes use of eight of them to purchase Nvidia chips,” he mentioned. “That is the echoes of bubbles previous.”
The previous eight weeks have given bubble proponents plenty of ammunition.
Tech luminaries, together with Sam Altman and Invoice Gates, have mentioned there’s some froth in AI spending. In earnings calls this quarter, Google, Meta, Microsoft, and Amazon all mentioned they planned to increase their spending on knowledge facilities which can be the spine of AI. Michael Burry, whose guess towards the housing market was made well-known in “The Massive Quick,” made headlines after he said he had shorted Nvidia, the world’s most precious firm.
Whereas executives have pushed again on skeptics, Luria mentioned that solely money will quiet the dialog.
“There’s nothing they will say that may change individuals’s notion of whether or not or not there is a bubble,” he mentioned. “The one factor they will do is present outcomes, and people must be monetary outcomes.”

