Is your AI Model Accurate Enough? The Difficult Choices Behind Rigorous AI Development and the EU AI Act

Fuente: arXiv
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Auteurs principaux: Marin, Lucas G. Uberti-Bona, Rijsbosch, Bram, Meding, Kristof, Spanakis, Gerasimos, van Dijck, Gijs, Kollnig, Konrad
Format: Preprint
Publié: 2026
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author Marin, Lucas G. Uberti-Bona
Rijsbosch, Bram
Meding, Kristof
Spanakis, Gerasimos
van Dijck, Gijs
Kollnig, Konrad
author_facet Marin, Lucas G. Uberti-Bona
Rijsbosch, Bram
Meding, Kristof
Spanakis, Gerasimos
van Dijck, Gijs
Kollnig, Konrad
contents Technical and legal debates frequently suggest that "accuracy" is an objective, measurable, and purely technical property. We challenge this view, showing that evaluating AI performance fundamentally depends on context-dependent normative decisions. These techno-normative choices are crucial for rigorous AI deployment, as they determine which errors are prioritised, how risks are distributed, and how trade-offs between competing objectives are resolved. This paper provides a legal-technical analysis of the choices that shape how accuracy is defined, measured, and assessed, using the 2024 European Union AI Act -- which mandates an "appropriate level of accuracy" for high-risk systems -- as a primary case study. We identify and analyse four choices central to any robust performance evaluation: (1) selecting metrics, (2) balancing multiple metrics, (3) measuring metrics against representative data, and (4) determining acceptance thresholds. For each choice, we study its relationship to the AI Act's accuracy requirement and associated documentation obligations, show how its technical implementation embeds implicit or explicit assumptions about acceptable risks, errors, and trade-offs, and discuss the implications for the practical implementation of the AI Act by examples and related technical standards. By making the techno-normative dimensions of accuracy explicit, this paper contributes to broader interdisciplinary debates on AI governance and regulation, and offers specific guidance for regulators, auditors, and developers tasked with translating (legal) safety requirements into technical practice.
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id arxiv_https___arxiv_org_abs_2604_03254
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publishDate 2026
record_format arxiv
spellingShingle Is your AI Model Accurate Enough? The Difficult Choices Behind Rigorous AI Development and the EU AI Act
Marin, Lucas G. Uberti-Bona
Rijsbosch, Bram
Meding, Kristof
Spanakis, Gerasimos
van Dijck, Gijs
Kollnig, Konrad
Computers and Society
Artificial Intelligence
Technical and legal debates frequently suggest that "accuracy" is an objective, measurable, and purely technical property. We challenge this view, showing that evaluating AI performance fundamentally depends on context-dependent normative decisions. These techno-normative choices are crucial for rigorous AI deployment, as they determine which errors are prioritised, how risks are distributed, and how trade-offs between competing objectives are resolved. This paper provides a legal-technical analysis of the choices that shape how accuracy is defined, measured, and assessed, using the 2024 European Union AI Act -- which mandates an "appropriate level of accuracy" for high-risk systems -- as a primary case study. We identify and analyse four choices central to any robust performance evaluation: (1) selecting metrics, (2) balancing multiple metrics, (3) measuring metrics against representative data, and (4) determining acceptance thresholds. For each choice, we study its relationship to the AI Act's accuracy requirement and associated documentation obligations, show how its technical implementation embeds implicit or explicit assumptions about acceptable risks, errors, and trade-offs, and discuss the implications for the practical implementation of the AI Act by examples and related technical standards. By making the techno-normative dimensions of accuracy explicit, this paper contributes to broader interdisciplinary debates on AI governance and regulation, and offers specific guidance for regulators, auditors, and developers tasked with translating (legal) safety requirements into technical practice.
title Is your AI Model Accurate Enough? The Difficult Choices Behind Rigorous AI Development and the EU AI Act
topic Computers and Society
Artificial Intelligence
url https://arxiv.org/abs/2604.03254