DARR
MR-006 Model & system behaviour System scope

Disparate performance across groups and languages

The system performs measurably worse for some demographic groups, dialects, or languages, degrading service quality for those users.

Risk family
Model & system behaviour
MIT domain
1. Discrimination & Toxicity
MIT subdomain
1.3 > Unequal performance across groups
AI type
GPAI, Classical_ML
Scope
System
Source standard
MIT AI Risk Repository v4

Provenance

Source standard
MIT AI Risk Repository v4
MIT source entries
15 entries across 9 papers
  • IBM2025AI Risk Atlas65.23.04
  • Li2025A Closer Look at the Existing Risks of Generative AI: Mapping the Who, What, and How of Real-World Incidents66.06.03
  • Liu2024Trustworthy LLMs: A Survey and Guideline for Evaluating Large Language Models’ Alignment30.03.00 30.03.04
  • NIST2024Artificial Intelligence Risk Management Framework: Generative Artificial Intelligence Profile48.06.00
  • Shelby2023Sociotechnical Harms of Algorithmic Systems: Scoping a Taxonomy for Harm Reduction11.01.03 11.03.00 11.03.01 11.03.02 11.03.03
  • Solaiman2023Evaluating the Social Impact of Generative AI Systems in Systems and Society13.01.03 13.02.02
  • Weidinger2021Ethical and social risks of harm from language models17.01.04
  • Weidinger2022Taxonomy of Risks posed by Language Models16.01.04
  • Weidinger2023Sociotechnical Safety Evaluation of Generative AI Systems18.01.02

Ev IDs of the entries consolidated into this risk in the MIT AI Risk Repository (V4); the source sheet row appears on hover.

ISO/IEC references
23894 obj A.6, A.9; src 6; mech B.5 | 42001 ctrl A.7.4, A.6.2.4

Framework crosswalk

Every framework item mapped to this risk. Items marked partial overlap only in part; definitions appear on hover where the source licence permits.

Sourcesframeworks that contributed to the register
2
  • A.6 ISO/IEC 23894 Annex A A.6
  • A.9 ISO/IEC 23894 Annex A A.9
2
  • A.6.2.4 ISO/IEC 42001 Annex A A.6.2.4
  • A.7.4 ISO/IEC 42001 Annex A A.7.4
Cross-checksframeworks mapped in to test coverage
1
  • ibm-exclusion Exclusion partial

Part of the Deployer AI Risk Register, an open-source resource powered by MindXO. Version 1.0, 3 July 2026. Derived from the MIT AI Risk Repository (V4, December 2025) under CC BY 4.0; an independent derivative work, not endorsed by or affiliated with MIT. Sub-risk decomposition references MITRE ATLAS™ v5.6.0 (© 2021-2026 The MITRE Corporation, reproduced and distributed with permission). ISO/IEC and EU AI Act references are by number only. License: CC BY 4.0. Full attribution and licensing.