Technology

Pentagon ends use of Anthropic artificial intelligence tools, official says

The US Department of Defence has phased out Anthropic systems months after a blacklist order, BBC News reports.

Updated Oct 5, 2026 · 18:24 UTC1 reports

The short version

An official stated that the US military has stopped utilizing Anthropic's artificial intelligence tools.[BBC News]
Defence Secretary Pete Hegseth labelled Anthropic a national security supply chain risk in February, targeting an August phaseout.[BBC News]
Sources indicated Claude remained active in intelligence and military operations through the prior week.[BBC News]
Anthropic has filed a lawsuit against the Trump administration attempting to overturn the risk designation.[BBC News]

An official confirmed to BBC News that the US Department of Defence is no longer using Anthropic's AI software.[BBC News]
Defence Secretary Pete Hegseth designated Anthropic a national security supply chain risk in February with an intended late August cutoff.[BBC News]
People familiar with the matter stated Claude was used as recently as last week for intelligence analysis and military operations.[BBC News]
Anthropic filed suit against the Trump administration, describing the supply chain designation as unlawful.[BBC News]

The reason for the operational delay past the late August deadline before fully discontinuing Anthropic's tools remains unclear.[BBC News]

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.