How the Internet Lost Its Mind Over GLM-5.2

Sat, 20 Jun 2026 01:30:00 -0300

On June 17, 2026, Zhipu AI — the lab that ships under the Z.ai brand — released GLM-5.2 under an MIT license. Open weights. Free to download, free to fine-tune, free to run wherever you want. Within forty-eight hours, my feeds had decided this was either the death of Anthropic, the triumph of Chinese AI, or the most overhyped model of the year.

It is none of those things. It is something more interesting and more boring at the same time: the first open-weights model that I can’t dismiss as “good for an open model.” Let me walk through what’s actually in the box, what the internet got right, and where it falls apart the moment you put real work through it.

Zhipu on Danilo Falcão da Silva

How the Internet Lost Its Mind Over GLM-5.2