Tech · Ars Technica

A court lets the Pentagon blacklist Anthropic

The company refused to switch on some Claude features. Judges said overly constrained models could cause military operations to fail.

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A court ruled that the Pentagon may blacklist Anthropic because the company refused to enable some Claude features.

3 min

Ars Technica reported in September that a court allowed the Defense Department to blacklist Anthropic. The dispute is Anthropic's refusal to turn on certain Claude features. The judges wrote that overly constrained AI models could cause military operations to fail.

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Ars Technica reports that a court sided with the Pentagon's power to blacklist Anthropic. The stated reason is that the company refused to enable some Claude features. The judges' line is that overly constrained models could cause military operations to fail. This is a ruling that allows a blacklist, not a full inventory of cancelled contracts. Which Claude switches were demanded, and how a blacklist would work in procurement, are spelled out in the Ars story. This brief keeps the direction of the ruling and the reason the judges gave.

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