In January 2025, DeepSeek's free AI model wiped $593 billion off Nvidia in a s… · @myldao · TwKit

@myldao

In January 2025, DeepSeek's free AI model wiped $593 billion off Nvidia in a single day — the biggest one-day market loss in history. Today the US government finally banned it. The Department of Homeland Security ordered every civilian federal agency to strip DeepSeek out of their IT systems — and barred any future purchase of DeepSeek products, including third-party services built on its models. The order says DeepSeek poses "multiple threat vectors": use by government staff "may result in the transfer of sensitive data to the PRC," and could "produce actionable intelligence on US persons." The Commerce Department and the Navy already banned it on their own; now it's government-wide. Here's the catch: the ban covers procurement, not the open weights. DeepSeek's model was downloaded millions of times back in 2025 — it's on servers and hard drives all over the world. You can ban the company from the purchasing office, but you can't un-download an open model. So is this real national security — or shutting the barn door after the weights already escaped?

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