Z.ai's GLM-5.2 outperforms GPT-5.5 on coding benchmarks. Z.ai top AI model by June 2026 at 0.1% YES.

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.