TechNode· 17 AugZ.ai launches GLM-5.3 with claimed 50% gain on coding benchmark
Z.ai launched GLM-5.3, an update focused on coding, long-horizon tasks and cybersecurity.
Model update
The model uses the same base model as GLM-5.2, with gains attributed to post-training.
Z.ai reported a 50% higher score on its internal Z.ai Code Bench and leading open-source results on Terminal-Bench 3.0 and Agents’ Last Exam, and stated the model weights will be released two weeks after launch following additional safety evaluation.
From the source
Z.ai, the international brand of Chinese AI company Zhipu, has launched GLM-5.3, an update focused on coding, long-horizon tasks and cybersecurity. The model uses the same base model as GLM-5.2, with the company attributing the latest gains to post-training. Z.ai said GLM-5.3 scored 50% higher than GLM-5.2 on its internal Z.ai Code Bench and reached leading open-source results on Terminal-Bench 3.0 and Agents’ Last Exam. It also reported stronger vulnerability-discovery and exploitation performance, and said the model weights will be released two weeks after launch following additional safety evaluation.
technode.com