When Zhipu AI released GLM-4.7 in December 2025, the open-source AI community buzzed with excitement. This wasn't just another incremental update—it represented a significant leap in open-weight language models, particularly in coding capabilities and agentic workflows. As someone who's been tracking the MoE (Mixture of Experts) model landscape closely, I knew I had to get my hands on GLM-4.7-Flash, the lightweight variant optimized for fast inference.