Zhipu, also known as Z.ai, rolled out GLM-5.2 to its Coding Plan subscribers in June 2026. The company’s June 16 technical release report confirms access for all Coding Plan users and the availability of downloadable model weights.
Z.ai describes GLM-5.2 as a model designed for long-running coding and agent tasks, with a one-million-token context window and selectable thinking effort. These are the developer’s specifications, rather than independent findings about every workload.
The official model repository identifies the weights’ license as MIT. Developers can consult the repository and deployment documentation to evaluate local use.
Editorial update, October 8, 2026: This brief now cites the developer’s release report and model repository. The original June 13 news report described API and open-weight availability as plans for the following week; the later official release confirms availability. Unsupported claims about market dominance have been removed. The original article date is retained.
Verification sources: https://z.ai/blog/glm-5.2 and https://huggingface.co/zai-org/GLM-5.2