Z.ai releases open-weight GLM-5.3, available on multiple platforms

Z.ai released GLM-5.3's open weights on Hugging Face, with day-zero support on Databricks, Together AI, Modular Cloud, and Perplexity Computer. It outperforms GPT-5.6 on Terminal-Bench 4.0 and shows a 50% gain over GLM-5.2 on Code Bench.