Zhipu AI (Z.ai)
Company
AI Labs & Software
Tsinghua-born lab behind the GLM open-model line.
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Zhipu (rebranding internationally as Z.ai) grew out of Tsinghua University and ships the GLM family — GLM-4.5/4.6 among the strongest open coding models — while racing Alibaba-backed peers to a domestic listing and navigating US entity-list restrictions.
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Record reviewed as of 2026-01-15 — see Methodology.