What is GLM-5.2? Chinese AI model making Silicon Valley sit up again

Just when many in the tech industry thought the gap between American and Chinese AI firms remained wide, a new model from Chinese startup Zhipu is forcing to rethink. Called GLM-5.2, the open-source large language model has created unusually enthusiastic reactions from Silicon Valley founders, developers and investors. Vercel CEO Guillermo Rauch said he was “almost shocked” by its coding abilities, while former Meta, Google DeepMind and Microsoft executive Matt Velloso described it as the first open model good enough to become a “daily driver,” he wrote on X.