T he fast-rising Chinese AI lab DeepSeek is sparking national security concerns in the U.S., over fears that its AI models could be used by the Chinese government to spy on Americ

DeepSeek emerged in January, surprising many in the technology industry with its capabilities, which reportedly come close to rivals but at a far lower cost.

DeepSeek shot to the top of the app-store charts—and triggered a brutal stock market selloff—last week. But the Chinese artificial-intelligence chatbot could soon face the same fate as TikTok. Lawmakers are planning to introduce a bill Thursday that would block the app from government-owned devices,