Z.ai drops open-source GLM-5.2 with 1M context
Z.ai just introduced GLM-5.2, an open-source flagship model built for long-horizon coding tasks with a reliable 1M-token context. Powered by its new IndexShare architecture, it cuts per-token FLOPs by 2.9x at full context, edging past GPT-5.5 on FrontierSWE while remaining fully accessible under an MIT license.