Zhipu releases its strongest open-source model GLM-5.2 with 1M context

Zhipu announced that its latest open-source model GLM-5.2 will be available to all GLM Coding Plan users at 5:21 PM today, covering Lite, Pro, Max, and team versions. The model is positioned as Zhipu's strongest open-source model to date, supporting 1M context and maintaining leadership in long-form tasks. The GLM-5.2 API will go live next week, and the model will be officially open-sourced next week under the MIT license.