A shocking Chinese AI advancement called DeepSeek is sending US stocks plunging | CNN Business

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US stocks were set for a steep selloff Monday morning after a surprise advancement from a Chinese artificial intelligence company, DeepSeek, threatened the aura of invincibility surrounding America’s technology industry.

DeepSeek, a one-year-old startup, revealed a stunning capability: It presented a ChatGPT-like AI model called R1, which has all the familiar abilities, operating at a…