Ban lands three weeks after Anthropic accused Alibaba's Qwen lab of running the largest known distillation attack on Claude.

Alibaba has ordered employees to stop using Anthropic's Claude family of AI models and related coding tools, marking a sharp reversal from its previous policy of encouraging staff…

Move follows claims that Anthropic embedded hidden code in Claude Code to track certain users, escalating tensions between the U.S. AI startup and the Chinese tech giant