US judge blocks Pentagon's Anthropic blacklisting

On Thursday, a U.S. judge halted the Pentagon's decision to blacklist Anthropic, the creator behind the Claude AI model, signaling a significant development in the ongoing dispute between the military and Anthropic concerning AI safety on the battlefield. Anthropic's legal challenge in a California federal court contends that Defense Secretary Pete Hegseth exceeded his authority when he labeled Anthropic a national security supply-chain risk, a classification that permits the government to tag companies whose products might expose military systems to threats from adversaries.

Hegseth's unprecedented action, which transpired following Anthropic's refusal to permit the military to utilize the AI chatbot Claude for surveillance or autonomous weapons purposes, excluded Anthropic from certain military contracts. Executives from Anthropic have asserted that this exclusion could result in billions of dollars in lost revenue and damage to the company's reputation.

While Anthropic acknowledges concerns regarding the reliability of AI models for autonomous weapons and asserts opposition to domestic surveillance as a breach of individual rights, the Pentagon maintains that private entities cannot impede military operations.

In a comprehensive 59-page order, U.S. District Judge Rita Lin, a nominee of former Democratic President Joe Biden, ruled that the Pentagon's decision was both unlawful and unfounded. Lin emphasized that the mere reference to national security does not grant carte blanche to penalize and retaliate against government critics. The judge's decision underscores that Anthropic's designation as a supply-chain risk under a seldom-used government procurement statute aimed at safeguarding military systems from foreign sabotage marked the first instance of such a designation for a U.S. company.

Anthropic's lawsuit in March 9 alleged that the government violated its right to free speech under the First Amendment by retaliating against its expressed views on AI safety. The company argued that it was not afforded the opportunity to contest the designation, thus infringing upon its Fifth Amendment right to due process. Anthropic's contention is that the decision was unlawful, lacking factual support, and contradicts the military's prior endorsement of Claude.

The Justice Department countered that Anthropic's refusal to lift the restrictions might introduce uncertainty for the Pentagon in its utilization of Claude, potentially compromising military systems during operations. According to court filings, the government posited that the designation arose from Anthropic's refusal to accept contractual terms rather than its stance on AI safety.

Anthropic is concurrently embroiled in a second lawsuit in Washington, D.C., challenging a distinct Pentagon designation that could result in its exclusion from civilian government contracts.