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Trust by Design: Skill Profiles for Transparent, Cost-Aware LLM Routing

AI
LLM Systems
Interpretability
BELLA (Budget-Efficient LLM Selection via Automated skill-profiling), a framework that recommends optimal LLM selection for tasks through interpretable skill-based model selection.
Authors

Mika Okamoto

Ansel Kaplan Erol

Glenn Matlin

Published

February 2, 2026

Publication Details

arXiv: 2602.02386

Abstract

BELLA (Budget-Efficient LLM Selection via Automated skill-profiling) is a framework that recommends optimal LLM selection for tasks through interpretable skill-based model selection, enabling practitioners to make principled and cost-performance trade-offs for deploying LLMs.

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