English English Z.AI Launches GLM 5.2 With 1 Million Token Context and Open-Weight MIT LicenseJune 18, 2026By Yusuf Chowdury Zhipu AI launched GLM 5.2 on June 13 with a 1-million-token context window, 744B MoE architecture and MIT open weights, claiming it outperforms GPT-5.5 on long-horizon benchmarks.