Z.ai releases open-weight GLM-5.3, available on Perplexity, Databricks, Together AI

Z.ai released GLM-5.3, its most capable open-weight model for agentic coding and cyber defense, with weights on Hugging Face. It beats GLM-5.2 on WANDR and shows a 50% gain over GLM-5.2 on Code Bench, with day-zero support on Perplexity Computer, Databricks, Together AI, and Modular Cloud.