In October 2026, the US Department of Homeland Security barred civilian federal agencies from buying DeepSeek products or third-party services built using DeepSeek

From the postNotice of Order Regarding Exclusion and Removal of DeepSeek Products from Federal Civilian Executive Branch Information Technology Systems and ProcurementsAlso in US civilian agencies can’t use DeepSeek, DHS says., US banning Chinese AI DeepSeek from government agency IT systems