GLM 5

Zai's new-generation flagship foundation model designed for Agentic Engineering. GLM-5 delivers state-of-the-art open-source performance in coding and agent capabilities, with usability in real programming scenarios approaching Claude Opus 4.5. Built for complex system engineering and long-range agent tasks, it provides reliable productivity across demanding workflows. With 203K context, 131K output, thinking capabilities, and implicit caching, it excels at sophisticated agentic applications requiring depth and persistence.