Zhipu's GLM-5.3 goes open-weight, tuned for agentic coding and cyber defense
scaling01 · x · 2026-08-28
Zhipu (Z.ai) has open-sourced the weights of GLM-5.3, described as its most capable model for agentic coding and cyber defense, available to download, run, and customize. Weights are on Hugging Face (zai-org/GLM-5.3) with a tech blog. The chat template reveals tiered reasoningeffort (low/high/max) and structured tool calling, clearly designed for agent workflows.
Related event: Z.ai Open-Sources GLM-5.3 and GLM-5.3-Flash(28 posts)→
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