We got 99% on ARC-AGI-3 by instilling analysis-by-synthesis into AI models. [Schema] is basically VIGA squared: do inverse graphics, then do it again one level up — inverse dynamics. Super simple, surprisingly effective! Analysis by synthesis FTW!!!
Haven Feng (@HavenFeng) profile pictureHaven Feng
@HavenFengJul 16
Today, we’re introducing [schema]: a harness reaching 99% RHAE with Opus 4.8 + Fable 5 and 95.35% with GPT-5.6 Sol on ARC-AGI-3 Public set. [schema] makes an LLM think like a physicist. 🧵
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Wow ... Congrats! Very impressive work.

Jul 16, 2026 · 6:28 PM UTC

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