June 16, 2026

Z.AI releases GLM-5.2 with 1M context window on Hugging Face

ZAI has released GLM-5.2, which is now available on Hugging Face, featuring a 1 million context window and two levels of reasoning effort, max and high. This new version retains the same pricing as GLM-5.1 while featuring significant improvements in coding and agentic tasks. It also achieves a state-of-the-art score of 46.2% on DeepSWE among open-weight models. Notably, GLM-5.2 is offered under an MIT license, making it fully open-source.

ZAI: Z.ai is the AI lab behind the GLM series of models, dedicated to advancing AGI to benefit humanity. It develops frontier large language models with a focus on open weights and practical agentic applications. In this news, Z.ai announces the release of its latest model GLM-5.2 on Hugging Face, emphasizing improvements in coding and long-context tasks.
GLM-5.2: GLM-5.2 is Z.ai’s flagship open-weight language model designed for advanced coding, agentic workflows, and long-horizon reasoning. It incorporates a large context window along with selectable reasoning effort levels to balance performance and efficiency. The news highlights its immediate availability on Hugging Face under an MIT license, building directly on the prior GLM-5.1 release.

`json
{
“Reasoning Modes”: “The model offers two levels of reasoning effort designed for various performance and efficiency requirements.”,
“Platform Integration”: “GLM-5.2 is now available on Hugging Face with the same API pricing as its predecessor.”,
“Open Source Licensing”: “GLM-5.2 is available with fully open weights under the MIT license.”
}
`

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