Z.aiLaunchAI ModelsAugust 26, 2026

Z.ai releases open-weight GLM-5.3, tops agentic coding and cyber benchmarks

GLM-5.3, built on the same base as GLM-5.2 with extended post-training, scores 84.5% on CyberGym and 60 on the Artificial Analysis Intelligence Index, tying Kimi K3. Weights are on Hugging Face; running FP8 needs 10–12× H100s.

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