Z.ai releases open-weight GLM-5.3

GLM-5.3, Z.ai's most capable open-weight model for agentic coding and cyber defense, is now available on Hugging Face. It beats GLM-5.2 on coding evals like Terminal-Bench 3.0 and DeepSWE 1.1, with a 50% gain on Code Bench. Day-0 support on Databricks, Together AI, Modular Cloud, and Perplexity Computer.