GLM-5.2

Overview

GLM-5.2 is Zhipu AI (Z.ai)‘s flagship open-weights model for long-horizon tasks, ranking in the top tier of open-weights models overall. With a genuinely usable 1M-token context window, it handles project-level engineering context, executes long-running tasks reliably, and accepts text, image, and video input.

Key Features

• Top-Tier Open Weights: Leading overall capability among open-weights models
• Long Context: 1M-token context for project-level engineering context
• Native Multimodal: Text, image, and video input

Best Use Cases

• Long-Horizon Engineering: Complex systems engineering and long-running agent tasks
• Chinese Scenarios: Chinese understanding and generation
• Multimodal Understanding: Image and video content analysis

Specifications

Capabilities and Limitations