U.S. Moves to Bar DeepSeek From Federal Use; Chinese Lab Doubles Down on Open Source
On October 19 the U.S. Department of Homeland Security issued an order removing DeepSeek and affiliated entities from federal civilian procurement and IT systems, citing supply-chain security. Days later, on October 20, DeepSeek responded by fully open-sourcing its internal DeepInfer inference framework and a token codec component, sharing large-scale deployment know-how to cut compute cost and energy use. Chinese commentators noted the irony that the model barred on "security" grounds is among the world's most-used by real call volume: OpenRouter data for October 12-18 showed Chinese models at 79.18 trillion weekly tokens versus the U.S. at 17.36 trillion, leading for a 25th straight week, with DeepSeek V4.1 Flash atop the charts. The episode underscores the divergence between access-restriction policy and developer-driven adoption.
Source: Chang'an Street News / Toutiao / Guangming Online, Oct 21, 2026 | 2026-10-21
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