# Can LLMs Improve Their Own Harness? A Controlled Study on ARC-AGI-3

**Published:** October 23, 2026
**Author:** Jens Lehmann, Sahar Vahdati
**Source:** arXiv — cs.AI
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/can-llms-improve-their-own-harness-a-controlled-study-on-arc-agi-3

arXiv:2610.30499v1 Announce Type: new Abstract: A generally intelligent system acquires new skills efficiently without requiring humans to redesign its software scaffold for every new task. Yet language models rarely act alone. A harness is a symbolic program that orchestrates…

> From the original source: **arXiv — cs.AI**
> [Read full article at arXiv — cs.AI](https://arxiv.org/abs/2610.30499)

**Tags:** #arXiv

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