What changedReleased
GLM-5.3
GLM-5.3 updates coding through post-training; its announcement also discusses emergent cyber capabilities.
- The current official model card documents serving and its license.
Access at announcement
At launch, GLM Coding Plan and ZCode had access; API access and open weights were planned in stages after safety checks. Check the current model card for deployment and license.
Announcements & evaluations
3 sourcesModel cards & docsOfficial
GLM-5.3 · official model cardSocial postsOfficial
GLM-5.3 announcementZ.ai introduces GLM-5.3 for coding and cyber defense and links its technical blog. Performance descriptions belong to the maker.
Social postsOfficial
GLM-5.3 launch accessLaunch access covers GLM Coding Plan and ZCode; API and open weights were planned in stages after safety evaluations.