Anthropic vows legal fight against Pentagon sanction in AI feud

Anthropic PBC has decided to legally challenge a Pentagon decision under an unusual law normally reserved for foreign adversaries, calling the action “legally sound” and asserting it is unwarranted.
The designation risks Anthropic’s $200 million contract to supply the Pentagon with AI tools and could bar collaboration on other defense contracts.
The dispute highlights tensions between Anthropic and government officials over the military’s access to the company’s technology, particularly regarding safeguards against mass surveillance and autonomous weapons.
Despite the designation, Anthropic claims it won’t affect its non-defense business, as highlighted by Microsoft’s decision to continue working with the company on civilian projects.
Anthropic has been restricted from working with Palantir Technologies, impacting their AI tools usage in the Pentagon’s classified cloud and military operations in Iran.
The Pentagon’s decision could potentially slow broader AI adoption across the U.S. military, given Anthropic’s prominent role with its easy-to-use AI tools like Claude.
Anthropic faces additional challenges as federal agencies, following President Trump’s directive, have announced plans to halt business with the company.
Legal experts suggest that applying this supply-chain risk label to an American company is unprecedented and inappropriate for a contractual disagreement.

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