Z.aiLaunchAI ModelsAugust 26, 2026

Z.ai releases open-weight GLM-5.3, beating GPT-5.

GLM-5.3, built on the GLM-5.2 base via scaled post-training, scores 60 on the Artificial Analysis Intelligence Index, tying top open-weight models. It hits 84.5% on CyberGym, beating proprietary models, and costs $3.99 per DeepSWE rollout vs. $8.37 for GPT-5.6 Sol.

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