Anthropic has sued the US government over its designation as a supply-chain risk, the latest move in a weekslong battle between it and the Pentagon over the acceptable use cases for its military AI tech. The suit, filed in a California district court, accuses the Trump administration of illegally punishing the company for setting “red lines” on mass domestic surveillance and fully autonomous weapons.

“The federal government retaliated against a leading frontier AI developer for adhering to its protected viewpoint on a subject of great public significance – AI safety and the limitations of its own AI models – in violation of the Constitution …

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