← Back to glossaryGlossary

Constitutional AI

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

Constitutional AI is an alignment approach where a model is trained to follow a set of principles or rules. It aims to make models self-correcting by having them evaluate their own outputs against the constitution before responding.

§01 / QUESTIONSterm: Constitutional AI
Questions

Common questions.

What is Constitutional AI?

Constitutional AI is an alignment approach where a model is trained to follow a set of principles or rules.

How does Constitutional AI work?

It aims to make models self-correcting by having them evaluate their own outputs against the constitution before responding.

Which terms are related to Constitutional AI?

Closely related concepts include Hallucination Rate, Model Card, Continuous Integration Agent, Evaluation Harness (Agent). Each is defined in the Prefactor glossary.

§02 / RELATEDnext: where this fits
Keep reading

Where this fits.

See how every agent performs, and make it better

Prefactor helps teams observe, evaluate, and improve their AI agents in production, across every framework and provider.