Z.ai will release GLM-5.3 weights on August 28th after safety delay
The Tsinghua-born AI lab held back the coding model's checkpoints for two weeks after its cyber capabilities grew faster than expected.
By Ryan Merket · Published
Primary source: Z.ai
Why it matters
GLM-5.3's weight release will let developers test Z.ai's coding claims and examine the cyber capabilities that delayed publication. It also gives Z.ai a wider distribution channel as Chinese and European labs compete to supply open models for coding agents.
Z.ai co-founders Zhang Peng, Tang Jie and Liu Debing will release the full GLM-5.3 model weights on Hugging Face on August 28th, Z.ai said in an official post.…