ModelRefs / Sycophancy — AI Glossary

Sycophancy — AI Glossary

A model behavior of agreeing with user opinions, revising correct answers to match pushback, or telling users what they want to hear.

Overview

Sycophancy emerges from RLHF when human raters prefer agreeable responses over accurate ones. Manifestations: reversing a correct answer when the user expresses disagreement, adding unsolicited flattery, modifying opinions to match revealed user preferences. Measured by SycophancyEval. Mitigated by Constitutional AI, critique-revision, and targeted RLHF.

Reference details

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Last reviewed2026-06-24

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Frequently asked questions

What is Sycophancy?

A model behavior of agreeing with user opinions, revising correct answers to match pushback, or telling users what they want to hear.

What concepts are related to Sycophancy?

Closely related concepts include alignment, instruction following, calibration.