Z.ai releases open-weight GLM-5.3, beating proprietary rivals on agentic benchmarks

Z.ai released GLM-5.3, an open-weight model built on the GLM-5.2 base with extended post-training. It scores 84.5% on CyberGym and 60 on the Artificial Analysis Intelligence Index, beating GPT-5.6 Sol and Claude Fable 5 on agentic benchmarks.
Featured · Jie Tang
How this story unfolded
3 weeks · 17 reports · 27 community posts · 44 of 46 shown
- Aug 14
Z.ai Ships GLM-5.3 Without Retraining the Base Model: Better at Complex Coding and Long-Horizon Tasksmarktechpost.com
GLM-5.3 didn’t change the base model — where did its coding gains come from?thenewstack.io
China's Z.AI Ships GLM-5.3, Calling It the Top Open-Weight Coding Modeldecrypt.co
GLM-5.3: How Chinese labs keep stride with the frontierinterconnects.ai
GLM-5.3 is here with advanced cyber capabilities — and reportedly already found a 'serious vulnerability' in Cursorventurebeat.com
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