Z.aiLaunchAI ModelsAugust 26, 2026

Z.ai releases open-weight GLM-5.3

Z.ai released GLM-5.3, an open-weight model built on the GLM-5.2 base with scaled post-training. It scores 84.5% on CyberGym and 60 on the Artificial Analysis Intelligence Index, and is available on Hugging Face, Databricks, Together AI, and Modular Cloud.

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