Sam Altman warns of "unsustainable silliness" in AI data center buildout

The Decoder · rss · 2026-09-03

OpenAI CEO Sam Altman called the global AI data center buildout "unsustainable silliness," arguing that too many Neocloud providers are announcing massive capacity without customers to back it. He also conceded that falling compute costs could turn today's billion-dollar projects into bad bets — even for OpenAI. The remarks from one of the industry's largest compute buyers are a notable signal on the sustainability of the current data center investment cycle.

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