Artificial Analysis Intelligence Index v4.2

September 4, 2026 Announcing Artificial Analysis Intelligence Index v4.2 We are accelerating elements of our upcoming v5 release with interim updates to keep pace with the frontier. Index v4.2 has more complex and realistic tasks, and more private test sets to prevent gaming Intelligence Index v4.2 changelog: + AA-Briefcase, our agentic knowledge work evaluation with a private test set + Surge’s G...