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prEN ISO/IEC 25059

Software engineering - Systems and software Quality Requirements and Evaluation (SQuaRE) - Quality models for AI systems (ISO/IEC DIS 25059:2025)

Publication date:   Dec 18, 2025

General information

40.60   Close of voting   Mar 12, 2026

CEN/CENELEC

CEN/CLC/JTC 21

European Norm

35.080   Software

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Scope

This document outlines quality models for AI systems and services and is an applicationspecific
extension to the standards on SQuaRE. The characteristics and sub-characteristics
detailed in the models provide consistent terminology for specifying, measuring and evaluating
AI system and service quality. The characteristics and sub-characteristics detailed in the
models also provide a set of quality characteristics against which stated quality requirements
can be compared for completeness.

Life cycle

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EN ISO/IEC 25059:2024

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prEN ISO/IEC 25059
40.60 Close of voting
Mar 12, 2026