[Zhipu GLM Public Recursive Self-Improvement Practice, GLM-5.3-Flash Released] Deep Tide TechFlow reports that on September 17, the Zhipu GLM team disclosed the first engineering practice in the direction of recursive self-improvement. Powered by GLM-5.3, the Infra Agent completed the design, debugging, and optimization of the GLM-5.3-Flash inference infrastructure. This practice was carried out on a domestic cluster with 100,000 GPUs, and the team described it as the first recursive self-improvement practice for large models in China.