Z.ai

GLM 5.3 Flash

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The quicker GLM 5.3 cut from Z.ai’s Tsinghua-rooted Beijing lab.

Owner
Tang Jie and Li Juanzi
Location
Beijing, China
Started
2019
Value
About $70B on the Hong Kong exchange

Z.ai (formerly Zhipu AI) is a Tsinghua University spin-out and CEO Zhang Peng’s public GLM lab. It was the first major foundation-model company to list, in Hong Kong in January 2026. GLM-5.3 is a 743B-class model; Flash is the quicker everyday cut.

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