Z.ai GLM Model Series Development

Z.ai releases GLM-5.2, an AI model optimized for long-horizon tasks requiring sustained reasoning and planning. The model builds on prior GLM versions with enhanced capabilities for complex, multi-step workflows.

One continuously updated timeline instead of dozens of separate articles. New developments are appended as the story evolves.

1. ReleaseJun 17, 2026, 09:01 AM 95%

   Z.ai releases GLM-5.2, an AI model optimized for long-horizon tasks requiring sustained reasoning and planning.

   Z.ai releases GLM-5.2, an AI model optimized for long-horizon tasks requiring sustained reasoning and planning. The model builds on prior GLM versions with enhanced capabilities for complex, multi-step workflows.

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