chinese labs shipped a cluster of open-source frontier models — zhipu's glm-5.2 and glm-5-turbo, tongyi's qwen3.6-plus with million-token context — optimized for agent and coding workflows, in the same period the us ordered anthropic's claude fable 5 suspended and restricted openai's gpt-5.6 to about 20 approved firms. once open-source weights are downloaded they cannot be recalled, unlike export-controlled systems. the structural asymmetry is that us frontier access narrowed while chinese capability distributed freely.