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Ground Truth

Reviewed 19 July 2026Canonical definitionPart of: Agent Evaluation Terms →

Ground truth is a verified, authoritative dataset of correct answers or expected outcomes used to evaluate an AI agent's accuracy. Without reliable ground truth, it is difficult to measure whether an agent is performing as intended.

§01 / QUESTIONSterm: Ground Truth
Questions

Common questions.

What is Ground Truth?

Ground truth is a verified, authoritative dataset of correct answers or expected outcomes used to evaluate an AI agent's accuracy.

How does Ground Truth work?

Without reliable ground truth, it is difficult to measure whether an agent is performing as intended.

Which terms are related to Ground Truth?

Closely related concepts include Ground Truth Evaluation, Agent Grounding, Continuous Integration Agent, Evaluation Dataset. Each is defined in the Prefactor glossary.

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Where this fits.

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