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Elsayed Eshra

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#machine learning Preprint Sep 2026

Quantifying Behavioral Tails in Black-Box Language Models

We introduce RareTrap, a framework for estimating the probability of severe behaviors in black box large language models (LLMs). A key challenge for probability estimation is defining a tractable distribution over the input space. To accomplish that, RareTrap uses a surrogate LLM and constructs a geometry-aware mapping...

Elsayed Eshra, Ali Al-Lawati, Dongwon Lee et al. · 0 citations