China plans export controls on open-weight models and 23 AI technologies

China plans to restrict exports of 23 key AI technologies, including model weights, source code and training methods for systems at 10^26 FLOPs or 2 trillion parameters. A fast-track rule would still clear open-source releases once they are registered.

Why it matters: If enforced, this could slow the flow of Chinese open-weight frontier models to Western developers who have relied on them. It mirrors US chip export controls, suggesting model weights are becoming a strategic asset on both sides, and may boost demand for US open-weight models like Meta's and NVIDIA's.