This page may contain stale information. Last updated: 2026-08-14
Overview
GLM-5.3 is zhipu-ai / Z.ai’s Aug 2026 coding-focused model update sharing the same 743B MoE base as glm-5-2, with gains attributed entirely to scaled post-training. API available; open weights delayed for safety.
Recent Developments
- 2026-08-13/14: Launch — vendor CyberGym 84.5%; ExploitBench 54.4%; 2,436 vulns / 1,097 critical-high claimed; open-weight-safety-delay ~Aug 28
- Thinking layer cannot be disabled on API (per TechTimes coverage)
- Integrates with ZCode, claude-code, OpenCode via GLM Coding Plan
All cyber metrics and vuln ledgers are company-reported pending independent audit.