What Is GLM? Zhipu AI's Open-Weight Model Family, Explained
GLM is the open-weight AI model family from Chinese lab Zhipu AI (Z.ai) — free to download and self-host, and competitive with top US models at a fraction of the API cost.
Read more →Zhipu AI
Zhipu AI (also known as Z.ai) is a Chinese AI lab behind the open-weight GLM family of models, known for competing with leading US models at a fraction of the cost. This hub gathers news and explainers about Zhipu’s models, benchmarks, and its role in the global open-source AI landscape.
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China's GLM-5.2 Rivals US Frontier AI at One-Sixth the Cost
Z.ai has released GLM-5.2, a 744-billion-parameter open-weight model that matches GPT-5.5 on key benchmarks and trails Claude Opus 4.8 narrowly — trained entirely on Huawei silicon with no Nvidia hardware.
Read more →Z.ai's GLM-5.2 Matches US Frontier AI at One-Sixth the API Cost
GLM-5.2, released on June 16 by Beijing startup Z.ai, sits alongside Claude Opus 4.8 and GPT-5.5 on coding benchmarks while carrying an API price roughly one-sixth that of closed US models.
Read more →Zhipu AI's GLM-5.2 Beats GPT-5.5 on Coding at a Sixth of the Price
Chinese lab Zhipu AI has open-sourced GLM-5.2, a 753-billion-parameter model that outperforms GPT-5.5 on software engineering benchmarks while costing roughly one-sixth as much.
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