Claude Opus 5 + Claude Code + 1 Skill Scores 100% on ARC AGI 3

Tolopono · reddit · 2026-08-20

A blog post demonstrates that using Claude Opus 5 alongside Claude Code and a specific skill results in a 100% score on the public set of the ARC-AGI 3 benchmark. The author suggests that this might indicate the benchmark is not as hard as previously thought, given the right configuration.

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