Z.ai Launches GLM-5.2 Flagship Model with 1M Context Support

Zhipu AI

Jun 15, 2026

Z.ai launched its new flagship model, GLM-5.2, now available to all GLM Coding Plan users. The model supports a 1 million-token context window and two thinking-effort levels, with Max effort recommended for complex coding tasks. API services, chatbot access, and an official open-source release under the MIT License are scheduled for next week.

View the full update on docs.z.ai

Z.ai

@Zai_org1d ago

Intelligence should be open, accessible, and ready to build with, empowering every developer, everywhere. GLM-5.2 is now available to all GLM Coding Plan users, including Lite, Pro, Max, and Team plans. https://t.co/AedZACyzej As our new flagship model, GLM-5.2 delivers powerful coding capabilities, usable 1M-context support, and continued strengths in long-horizon tasks. API and Chatbot services will launch next week. The model will also be officially open-sourced next week under the MIT License. The future of AI is open, and it belongs to the people.

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