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. 🧵
Video
[schema] is a harness claimed to make an LLM "think like a physicist" and was…
Brief
[schema] is a new harness presented by @HavenFeng (2026-07-16) that aims to induce physics-like reasoning in LLMs. In the announcement, the author reports benchmark results of 99% RHAE with Opus 4.8 + Fable 5 and 95.35% RHAE with GPT-5.6 Sol evaluated on the ARC-AGI-3 Public set, accompanied by a short video.
Why it matters
[schema] is a harness claimed to make an LLM "think like a physicist" and was introduced by @HavenFeng on 2026-07-16.
Key details
- [schema] achieved 99% RHAE when used with Opus 4.8 + Fable 5, and 95.35% RHAE with GPT-5.6 Sol on the ARC-AGI-3 Public set.