Beijing aimed its response to Washington's tech blacklist at the two companies the US has funded most to break China's grip on rare earth magnets.

A government letter arrived Friday evening. Hours after going live, Anthropic's most capable models went dark for every user, citizen or not.

Locked out of China's GPU market by export controls, Nvidia is offering Chinese cloud companies its new Arm-based Vera processor instead, with first deliveries possible in August.