# Z.ai Releases GLM-5.3 Weights on Hugging Face

The open-weight model is designed for agentic coding and cyber defense, allowing users to download, run, and customize it locally.

- Model weights are available to download via Hugging Face at zai-org/GLM-5.3
- Technical documentation and release details are published at z.ai/blog/glm-5.3

## Why it matters

Developers and security teams can self-host and fine-tune GLM-5.3 directly for agentic coding and cybersecurity workloads.

## Sources

- [Z.ai: Z.ai Releases GLM-5.3 Weights on Hugging Face](https://x.com/Zai_org/status/2093354097122455713)

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Summarized by dstilled on 2026-08-28. https://dstilled.ai/story/53c2746a-8260-4d31-b08b-323cba24e564