AnalysisAI ModelsAugust 20, 2026

Z.ai CEO Jie Tang on GLM 5.3 and post-training scaling

Z.ai CEO Jie Tang argues parameter count alone is insufficient, citing GLM-5.3's gains from RL on long-horizon environments. He predicts an open-weights Fable-class model by year-end, with Qwen 3.8 Max and Kimi K3 as current 2-3T models.

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Z.ai CEO Jie Tang on GLM 5.3 and post-training scaling