Self-Evolving Agent Harnesses Overfit Without Acceptance Rules, RRSI Paper Finds
idanbeck · x · 2026-10-22
An explainer of the RRSI paper: self-evolving harnesses overfit like any optimizer — with no acceptance rules, the evolve score rose while OOD performance fell and token usage rose 50%. The fix is plain regularization.
Related event: RRSI Paper Shows Self-Evolving Agents Overfit Without Guardrails(2 posts)→
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