Glossary

Faithfulness

Also called: Groundedness

An evaluation metric that measures whether an AI system's output is fully supported by the provided input, retrieved context, or source material without introducing unsupported or fabricated information.

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Related terms

Retrieval-Augmented GenerationRAG

An architectural pattern that enhances generative model responses by retrieving relevant information from external knowledge bases.

Reference-based Evaluation

An evaluation method that measures model output quality by comparing generated responses against ground-truth reference data or golden datasets.

Correctness

A metric that measures whether an AI system's output is factually accurate, logically valid, and satisfies the intended task or expected result.

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