New Method Scores on ARC-AGI-3

bryanlanders · x · 2026-07-17

This repost highlights that follow-up research around ARC-AGI-3 is accelerating. Just 3.5 months after V3's release, the ecosystem is already showing a snowball effect.

The cited content introduces a harness named schema: on the ARC-AGI-3 Public set, combining Opus 4.8 + Fable 5 achieves 99% RHAE, while combining GPT-5.6 Sol reaches 95.35%. The author claims this system enables LLMs to "think like physicists," making it highly worthwhile to break down its methodology and reproduction details in the future.

Related event: Schema Harness Sparks ARC-AGI-3 Debate(14 posts)→

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