Evals

Automated tests of a model's or agent's behaviour (capability, safety and adversarial), run as controls, not as one-off research.

Developed in
ch. 04, Layer 03: Evals & Red Teaming as Evidence
Chapters
ch. 04, The Stack
Source
Defined by this Body of Knowledge: the section it is developed in is the source

Where it is used

20 chapters of the Body of Knowledge use the term. Each link opens the first section that does.

Mentions per chapter How often each chapter names the term, with the chapters the glossary cross-references drawn solid. The longest bar is where to read the term in use; bars spread across many chapters mark a term that runs through the discipline.
Mentions as a table
Mentions of Evals per chapter
ChapterMentionsCross-referenced
00 Preface0No
01 Definition7No
02 Why Now0No
03 Values & Principles4No
04 The Stack15Yes
05 Patterns7No
06 The Role6No
07 Maturity Model10No
08 Regulatory Map11No
10 Reading List5No
11 AI Defined16No
12 Governance Program4No
13 Risk Management11No
14 Development3No
15 Deployment9No
16 Fairness & XAI4No
17 Incidents1No
18 EU AI Act1No
19 Privacy & AI2No
20 Existing Law2No
21 AI Laws Worldwide0No
22 Principles & Standards8No
23 AI Agents5No

Patterns that use this term

10 pattern pages use the term, most mentions first.

The term's neighbourhood Terms related to this one on solid edges, terms it is often confused with on dashed edges, and the patterns that use it most in the colour of their layer. Follow a dashed edge to check the distinction before you use either term.
Neighbourhood as a table
Neighbourhood of Evals
FamilyItemRelation
Related termsGenerative AIRelated
Related termsMachine unlearningRelated
Related termsModel anonymityRelated
Related termsMultimodal modelRelated
Related termsOpen-weight modelRelated
Related termsPrompt injectionRelated
Related termsRegurgitationRelated
Related termsReinforcement learningRelated
Patterns using it mostAdversarial Red-Team Suite, 1 mentionUses the term
Patterns using it mostClaims Substantiation Gate, 4 mentionsUses the term
Patterns using it mostDrift & Fairness Monitor, 2 mentionsUses the term
Patterns using it mostEval Gate in CI, 1 mentionUses the term
Patterns using it mostRuntime Guardrail, 2 mentionsUses the term
Patterns using it mostUse-Case Intake & Risk Tiering, 2 mentionsUses the term

Sources

No external source: the term is coined or used in a specific sense by this Body of Knowledge, and the section linked under "Developed in" is its source.

Definitions of legal terms paraphrase the cited text, which governs. Dated statements are as of .

Cite this term

García Aibar, J. (2026). Evals. In AI Governance Engineering: The Thesis & Body of Knowledge (v0.5.0), Glossary. https://doi.org/10.5281/zenodo.22956197. https://aigovernanceengineer.com/glossary/evals. CC BY 4.0

BibTeX

@misc{aige2026evals,
  author  = {Jorge García Aibar},
  title   = {{Evals}},
  note    = {Glossary, AI Governance Engineering: The Thesis \& Body of Knowledge, version 0.5.0},
  year    = {2026},
  doi     = {10.5281/zenodo.22956197},
  url     = {https://aigovernanceengineer.com/glossary/evals}
}