GLM-5.2 is the new leading open weights model on the Artificial Analysis Intelligence Index
Summary
GLM-5.2 from Z ai is highlighted as the leading open weights model on the Artificial Analysis Intelligence Index v4.1, achieving 51 on the Intelligence Index and ranking atop peers while maintaining a 744B parameter size and 1M context window. The article covers cost per task, output token counts, licensing (MIT), availability across providers, and GDPval-AA v2 performance, underscoring the model's competitive performance against proprietary options.