GLM 5.3
by Z.ai · ID glm-5-3 · Released 2026-08 · Proprietary
-
ELO Score
-
MMLU
-
HumanEval
1M
Context Window
$1.40
Input Price
About GLM 5.3
Z.ai's coding and cyber-defence model, released 14 August 2026. It reuses the GLM 5.2 base unchanged and takes its reported gains from post-training alone. Open weights were promised about two weeks after launch and had not appeared as of 1 September 2026. Cached input $0.26 per million. Prices checked 1 September 2026.
Not sure where to find it? Search query: "GLM 5.3 official"