GLM 5.2: Zhipu’s 1M-Context Open-Source Model Explained
GLM 5.2 arrived on June 13, 2026, and it lands with three headline numbers: a 744-billion-parameter Mixture-of-Experts design, a 1-million-token context window, and an MIT license that makes the weights free for anyone to download and run. Chinese AI lab Zhipu AI (operating as Z.ai) shipped it as a coding-first frontier model, and the timing was not subtle. It went public just two days after the US ordered Anthropic to cut foreign access to its Fable 5 and Mythos 5 models. This article breaks down what GLM 5.2 actually is, how it differs from the GLM 5.1 release in April, what the 1M-token context means in practice, and where it […]
