GLM-5.3 Taught Itself Exploit Hunting
GLM-5.3 lifted Terminal-Bench 3.0 from 4.6 to 28.3 without a fresh pretraining run. That's the headline number, and honestly it's the boring one. Z.ai shipped the model on August 14, 2026, on the same 743B-parameter base as GLM-5.2. And credits
