mlsanityData to 7 Oct 2026

Conformal Policy Control

arXiv 2603.02196 ↗First posted 2 Mar 2026cs.AI cs.LG math.STcited by 5

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Abstract (arXiv)

An agent must try new behaviors to explore and improve. In high-stakes environments, an agent that violates safety constraints may cause harm and must be taken offline, curtailing any future interaction. Imitating old behavior is safe, but excessive conservatism discourages exploration. How much behavior change is too much? We show how to use any safe reference policy as a probabilistic regulator for any optimized but untested policy. Conformal calibration on data from the safe policy determines how aggressively the new policy can act, while provably enforcing the user's declared risk tolerance. Unlike conservative optimization methods, we do not assume the user has identified the correct model class nor tuned any hyperparameters. Unlike previous conformal methods, our theory provides finite-sample guarantees even for non-monotonic bounded loss functions, and it introduces a new policy control setting. Our experiments on applications ranging from natural language question answering to biomolecular engineering show that safe exploration is not only possible from the first moment of deployment, but can also improve performance.

Key facts. Cited by 5 papers in the map (data through 7 Oct 2026). Builds on 80 of its 125 references that are in the map. First posted on arXiv 2 Mar 2026.

Builds on

80 of 125 references.

References · 80

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38 more
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Citing papers per year: 2026: 5.

5 papers.