
GLM-5.2 represents a significant advancement in open-weight models, offering credible alternatives to top industry models and being positioned as a key milestone in the open AI landscape. Released on June 13, 2026, it is praised for its improved performance and is seen as a vital step forward for the open model economy. The model's release addresses regulatory and control challenges, positioning itself as a pivotal development in AI development and the broader AI industry.
Reflections on AI's writing ability and how AI models get more capable.

After a few long years of finding time to document my lessons from training open models, my post-training book is done!

Musings on model alignment, what determines safety, and where we go from here.
