Gary Marcus says benchmark gains are not the same as reaching AGI
GaryMarcus · x · 2026-07-27
Gary Marcus argues that benchmark training should not be confused with AGI. Quoting Ramez, he says Claude Opus 5’s gain on ARC-AGI-3 likely reflects targeted optimization for that eval rather than a general jump in abstract reasoning.
Related event: Opus 5's High ARC-AGI-3 Score Sparks Cheating and Overfitting Controversy(11 posts)→
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