Where things stand with the Department of War

March 6, 2026

TL;DR

Anthropic received a letter from the Department of War designating it as a supply chain risk to national security.
Anthropic believes this action is legally unsound and will challenge it in court.
The designation has a narrow scope, primarily affecting direct contracts with the Department of War.
Anthropic will continue to provide its AI models to the Department of War and national security community at nominal cost.
The company apologizes for the tone of an internal post that was leaked, stating it was written during a difficult day and is an out-of-date assessment.
Anthropic's core concerns remain with fully autonomous weapons and mass domestic surveillance, not operational decision-making.
Both Anthropic and the Department of War are committed to advancing US national security and applying AI across the government.

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