Is a Model Card mandatory?

EU AI Act Annex IV requires technical documentation for high-risk AI systems; Model Card is part of this obligation.

What is the Hugging Face standard?

Model Card v2 specification derived from Mitchell et al. 2019; section headers + YAML metadata + Markdown body.

13-item technical documentation: definition, training, performance, risk management, post-market monitoring, etc.

Demographic parity + equal opportunity metrics for protected attributes; if not fixable, explicitly stated.

GPU-hours × region carbon intensity (g CO2e/kWh). MLCO2 calculator helps.

Yes — especially AI Act GPAI obligations (Title VIII) additionally require training data summary.

AI Interactive Tools

HF Model Card v2 + EU AI Act Annex IV technical documentation — 8 sections, BibTeX citation.

Definition

Model Card: A standard template structurally documenting an ML model's purpose, architecture, training data, performance, limitations, bias and ethical concerns (Mitchell et al. 2019).; Also known as: model documentation, Hugging Face spec, AI Act Annex IV

Model TypeArchitectureParameter CountBase ModelTraining Framework

Data DescriptionData SourcesPreprocessingData LicencePII StatusBias AssessmentGPU-HoursCarbon (tCO2e)

Intended UseIntended UsersOut-of-Scope Use

Eval DatasetsMetricsPerformance LimitationsKnown BiasFairness Checks

EU AI Act Risk ClassAnnex IV ComplianceHuman Oversight (Art. 14)Cybersecurity (Art. 15)Incident Reporting (Art. 73)

Inference CostEnergy SourceKnowledge Cut-off Date

EU AI Act Annex IV requires technical documentation for high-risk AI systems; Model Card is part of this obligation.