It must be due to pressure from the Defense Dept:

The AI startup has refused to remove safeguards that would prevent its technology from being used to target weapons autonomously and conduct U.S. domestic surveillance.

Pentagon officials have argued the government should only be required to comply with U.S. law. During the meeting, Hegseth delivered an ultimatum to Anthropic: get on board or the government would take drastic action, people familiar with the matter said.

https://www.staradvertiser.com/2026/02/24/breaking-news/anth...