Z.ai releases GLM-5.3's weights under a new license requiring companies with $10B+ in revenue over 12 months to pass Z.ai's security review to host the model (Frederic Lardinois/The New Stack)

Z.ai has released the GLM-5.3 weights, but under a new license that replaces the previous MIT license. This new licensing agreement mandates that companies with revenues exceeding $10 billion over a 12-month period must successfully pass Z.ai's security review to be permitted to host the GLM-5.3 model. The weights were made available on Hugging Face, with this new requirement specifically targeting larger enterprises.