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GLM-4.5-Air is the lightweight variant of our latest flagship model family, also purpose-built for agent-centric applications. Like GLM-4.5, it adopts the Mixture-of-Experts (MoE) architecture but with a more compact parameter size. GLM-4.5-Air also supports hybrid inference modes, offering a “thinking mode” for advanced reasoning and tool use, and a “non-thinking mode” for real-time interaction. Users can control the reasoning behaviour with the reasoning enabled boolean. Learn more in our docs

Blog post: https://z.ai/blog/glm-4.5

Hugging Face:

https://huggingface.co/zai-org/GLM-4.5

https://huggingface.co/zai-org/GLM-4.5-Air