Z.ai debuts GLM-5.3 with long-horizon coding, cybersecurity upgrades

Chinese artificial intelligence developer Z.ai Co. today debuted GLM-5.3, an open-source large language model that set records across several popular benchmarks.

The LLM is based on an algorithm called GLM-5.2 that the company released in mid-July.

The latter model features a mixture of experts architecture with 753 billion parameters and a context window of 1 […]

The post https://siliconangle.com/2026/08/14/z-ai-debuts-glm-5-3-long-horizon-coding-cybersecurity-upgrades/" rel="nofollow">Z.ai debuts GLM-5.3 with long-horizon coding, cybersecurity upgrades appeared first on https://siliconangle.com" rel="nofollow">SiliconANGLE.