# GLM-5.3 is now open-weight

> Source: <https://twitter.com/Zai_org/status/2093354097122455713>
> Published: 2026-08-28 15:20:13+00:00

Z.ai on X: "GLM-5.3 is now open-weight.
Our most capable model for agentic coding and cyber defense is now available to download, run, and customize.
Weights: https://t.co/v1IbWMXxg4
Tech blog: https://t.co/ekQkO83jCv"

GLM-5.3 is now open-weight.
Our most capable model for agentic coding and cyber defense is now available to download, run, and customize.
Weights: huggingface.co/zai-org/GLM-5.3
Tech blog: z.ai/blog/glm-5.3

GLM-5.3 is now open-weight.
Our most capable model for agentic coding and cyber defense is now available to download, run, and customize.
Weights: huggingface.co/zai-org/GLM-5.3
Tech blog: z.ai/blog/glm-5.3