Pentagon Stops Using Anthropic’s Claude AI Following Earlier Supply‑Chain Blacklist

This week the U.S. Department of Defense said it will cease using AI products from Anthropic—the firm that created the Claude language model—reversing a stance it had taken only months earlier when the agency added the company to its supply‑chain risk roster.

Earlier this year, defense officials classified Anthropic as a "supply chain risk," warning that its technology might leak classified information or be susceptible to foreign manipulation. That label grouped Anthropic with other commercial suppliers whose offerings now demand heightened review before being incorporated into military platforms.

Despite the warning, multiple internal sources reported that the Claude model saw extensive adoption across various Pentagon divisions in the months after the blacklist was issued. It was said to be integrated into diverse tools—from intelligence analysis to logistics planning—thanks to its robust natural‑language capabilities and rapid deployment timeline.

Removing the tools highlights the clash between the department’s desire for state‑of‑the‑art AI functionality and its obligation to protect the integrity of its supply chain. Though commercial AI can speed up mission‑critical processes, it also sparks concerns over data origins, model openness and possible backdoors, particularly when the vendors are young, privately owned firms.

Going forward, the Pentagon announced plans for an exhaustive review of its AI acquisition guidelines, focusing on tighter vetting and a larger share of domestically vetted technologies. Lawmakers and oversight agencies are slated to watch the effort closely, as the department strives to reconcile swift innovation with the need to safeguard national security.