Liang Wenfeng is the antithesis of Silicon Valley flashiness, and his DeepSeek AI breakthrough has knocked “peak tech bro” culture down a few pegs, acccording to an op-ed in the Financial Times. The Chinese startup’s “Sputnik moment” — creating much cheaper high-performance artificial intelligence — “returns an air of conservatism and introspection to a landscape so hyped on its own successes it thought itself invincible.” Still, after an initial shock and some chastening, tech shares are climbing back.

