The US Center for Advancing Innovation and Standards for Super Intelligence (CAISSI) assessed Zhipu's GLM-5.3 as the most cyber-capable open-weights AI model released as of October 2026

Anthropic describes new defenses against illicit distillation of Claude, including preserved thinking, a two-stage classifier, and account bans, which cut extracted reasoning tokens 10-100x. It argues distillation threatens national security and urges all developers and platforms to act.