LaunchAI ModelsAugust 27, 2026

Z.ai's GLM-5.3 Flash packs 320B parameters, 18B active

GLM-5.3 Flash is Z.ai's first natively multimodal GLM-5 model, with 320B total parameters, 18B active, 1M context, and hybrid attention. On DeepSWE it nearly matches Luna while doing more than twice the work for the same budget.

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Z.ai's GLM-5.3 Flash packs 320B parameters, 18B active