GLM-5.1 is released by Zhipu AI in May 2026The latest flagship large model, based on GLM-5, it comprehensively improves reasoning capabilities and agent autonomous execution capabilities.
Core upgrade
- Reasoning ability greatly improved: Mathematical reasoning and logical analysis capabilities are improved by more than 30% compared to GLM-5
- Agent executes autonomously: Supports multi-step task planning and can call external tools
- longer context: Supports 512K tokens and handles ultra-long documents
- multimodal enhancement: Improved image understanding accuracy, supporting video analysis
- Chinese optimization: The first echelon in China in terms of Chinese understanding and production quality
Comparison with GLM-5
The biggest change between GLM-5.1 and GLM-5 isImproved practicality.
Pricing
GLM-5.1 continues the price advantage of Zhipu, and its API pricing is much lower than that of overseas competitors.
Overall Score
| 维度 | Score | evaluate |
|---|---|---|
| functional completeness | 8.5 / 10 | Reasoning+agent+multimodality |
| 易用性 | 8.5 / 10 | Simple API and complete documentation |
| Cost-effectiveness | 9.0 / 10 | Domestic price advantage is obvious |
| 中文支持 | 9.5 / 10 | Top-notch Chinese proficiency in the industry |
| 输出质量 | 8.5 / 10 | Excellent performance in Chinese scenes |
Overall rating: 8.7/10
GLM-5.1 is the latest benchmark for domestic large models.
