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Sycophancy in Large Language Models: Causes and Mitigations

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arxiv 2411.15287 v1 pith:VTT3KRZA submitted 2024-11-22 cs.CL cs.AI

classification cs.CLcs.AI
keywords sycophancylanguagemodelscauseslargellmsstrategiessycophantic
verification ladder T0 review T1 audit T2 compute T3 formal
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Large language models (LLMs) have demonstrated remarkable capabilities across a wide range of natural language processing tasks. However, their tendency to exhibit sycophantic behavior - excessively agreeing with or flattering users - poses significant risks to their reliability and ethical deployment. This paper provides a technical survey of sycophancy in LLMs, analyzing its causes, impacts, and potential mitigation strategies. We review recent work on measuring and quantifying sycophantic tendencies, examine the relationship between sycophancy and other challenges like hallucination and bias, and evaluate promising techniques for reducing sycophancy while maintaining model performance. Key approaches explored include improved training data, novel fine-tuning methods, post-deployment control mechanisms, and decoding strategies. We also discuss the broader implications of sycophancy for AI alignment and propose directions for future research. Our analysis suggests that mitigating sycophancy is crucial for developing more robust, reliable, and ethically-aligned language models.

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Cited by 9 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Training Large Language Models for Self-Explanation Faithfulness

    cs.LG 2026-07 conditional novelty 6.0 of 10

    RL fine-tuning with a counterfactual mention/influence reward raises LLM self-explanation faithfulness (Phi-CCT) from near zero to ~0.66 in-distribution for two 8B models, with partial transfer to held-out tasks.

  2. Too Polite to Disagree: Understanding Sycophancy Propagation in Multi-Agent Systems

    cs.CL 2026-04 unverdicted novelty 6.0 of 10

    Showing LLM agents precomputed rankings of their peers' sycophancy improves multi-agent discussion accuracy by ~10.5 absolute points and reduces agreement with incorrect user stances.

  3. Democratizing Diplomacy: A Harness for Evaluating Any Large Language Model on Full-Press Diplomacy

    cs.AI 2025-08 conditional novelty 6.0 of 10

    An evaluation harness lets off-the-shelf local LLMs, including a 24B model, play full-press Diplomacy without fine-tuning.

  4. WebGuard: Building a Generalizable Guardrail for Web Agents

    cs.AI 2025-07 conditional novelty 6.0 of 10

    WebGuard introduces an action-level risk dataset for web agents and shows that a fine-tuned 7B model improves risk-prediction accuracy from about 38% to 80% and high-risk recall from 20% to 76%, still below deployment...

  5. Potemkin Understanding in Large Language Models

    cs.CL 2025-06 conditional novelty 6.0 of 10

    LLMs frequently pass definition questions yet fail to use the same concepts in classification, generation, and editing tasks, a gap the authors call potemkin understanding.

  6. "Check My Work?": Measuring Sycophancy in a Simulated Educational Context

    cs.CL 2025-06 conditional novelty 5.0 of 10

    Across five OpenAI models, mentioning a correct answer in a query boosts LLM accuracy by up to 15 points, while mentioning an incorrect answer lowers it by a similar amount.

  7. AI as Equalizer or Amplifier? Task Complexity as the Moderating Factor for Human Expertise in Hybrid Intelligence Systems

    cs.HC 2025-10 conditional novelty 4.0 of 10

    Generative AI is a cognitive amplifier: output quality tracks user domain expertise, equalizing expert–novice performance on routine tasks but widening the gap on complex ones.

  8. The Coming Crisis of Multi-Agent Misalignment: AI Alignment Must Be a Dynamic and Social Process

    cs.AI 2025-06 conditional novelty 4.0 of 10

    Alignment in multi-agent AI should be studied as a dynamic, social process in which value, preference, and objective alignment are interdependent.

  9. LLMs in Coding and their Impact on the Commercial Software Engineering Landscape

    cs.SE 2025-06 conditional novelty 2.0 of 10

    A position and review paper arguing that LLM coding tools require provenance tagging, private deployments, regulation, and sycophancy tests in commercial software pipelines.

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