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Zhipu AI (Z.ai)·Aug 14, 2026·v5.3·open source
GLM-5.3
GLM-5.3 is a frontier-grade large language model optimized for advanced coding and complex agentic workflows. It serves as the latest iteration in the GLM-5 series, delivering significant performance improvements in reasoning and code generation tasks.
LLMCodingAgentic AIOpen Weights
overview
GLM-5.3 is a frontier-grade large language model optimized for advanced coding and complex agentic workflows. It serves as the latest iteration in the GLM-5 series, delivering significant performance improvements in reasoning and code generation tasks.
key features
- 01State-of-the-art coding performance
- 02Optimized for long-horizon agentic tasks
- 03Improved reasoning capabilities over GLM-5.2
- 04Open-weights availability
- 05Enhanced system engineering support
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