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

GLM-5.3, an open-weight model from Z.ai, is now available on Hugging Face and day-zero on Perplexity Computer, Databricks, Together AI, and Modular Cloud. It scores 60 on the Artificial Analysis Intelligence Index, tying for top among open-weight models, and beats GPT-5.6 and Claude Fable 5 on agentic benchmarks.