Claude Opus 5 Tops Artificial Analysis Intelligence Index v4.1
Anthropic's Claude Opus 5 (max and xhigh versions) achieved the highest intelligence score on the Artificial Analysis Intelligence Index v4.1. The index integrates 9 evaluation benchmarks including GDPval-AA v2, GPQA Diamond, and Humanity's Last Exam. Previously, Opus 5 has demonstrated leading performance in multiple benchmark tests, including scoring twice that of the previous generation on Frontier-Bench, topping the AA-Briefcase agent benchmark, and outperforming Fable 5 in cost-performance ratio.
