Z AI's GLM-5.2 scores 51 on the Artificial Analysis Intelligence Index, claiming the top open-weight model spot with a 1 million token context window.

Z.ai released GLM-5.2 with a usable 1-million-token context window across all GLM Coding Plan tiers; MIT weights pending.

Z.AI launches GLM-5.2 on Hugging Face with a 1M-token context window, 744B parameters, and MIT license, targeting coding and engineering workflows.