Artificial Analysis(@ArtificialAnlys):Claude Opus 5 (max) is the new leader on both GDPval-AA v2 (1861 Elo, +114 over Claude Fable 5) and AA-Briefcase (1720 Elo, +146 over Fable 5). These benchmarks test the ability of models to produce accurate and well-presented professional outputs using our open source reference agent harness, Stirrup

Artificial Analysis

@ArtificialAnlys

Independent analysis of AI

Joined January 2024

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Artificial Analysis@ArtificialAnlys

2026.07.24 19:18

Claude Opus 5 (max) is the new leader on both GDPval-AA v2 (1861 Elo, +114 over Claude Fable 5) and AA-Briefcase (1720 Elo, +146 over Fable 5). These benchmarks test the ability of models to produce accurate and well-presented professional outputs using our open source reference agent harness, Stirrup