Calibrating Large Language Models with Sample Consistency
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Abstract (arXiv)
Accurately gauging the confidence level of Large Language Models' (LLMs) predictions is pivotal for their reliable application. However, LLMs are often uncalibrated inherently and elude conventional calibration techniques due to their proprietary nature and massive scale. In this work, we explore the potential of deriving confidence from the distribution of multiple randomly sampled model generations, via three measures of consistency. We perform an extensive evaluation across various open and closed-source models on nine reasoning datasets. Results show that consistency-based calibration methods outperform existing post-hoc approaches. Meanwhile, we find that factors such as intermediate explanations, model scaling, and larger sample sizes enhance calibration, while instruction-tuning makes calibration more difficult. Moreover, confidence scores obtained from consistency have the potential to enhance model performance. Finally, we offer practical guidance on choosing suitable consistency metrics for calibration, tailored to the characteristics of various LMs.
Key facts. Cited by 73 papers in the map (data through 14 Oct 2026). Builds on 30 of its 41 references that are in the map. First posted on arXiv 21 Feb 2024.
Builds on
30 of 41 references.
References · 30
- 2020Language Models are Few-Shot Learnerscited by 32,419
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- 2022Self-Consistency Improves Chain of Thought Reasoning in Language Modelscited by 5,708
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- 2023Can LLMs Express Their Uncertainty? An Empirical Evaluation of Confidence Elicitation in LLMscited by 974
- 2021Are NLP Models really able to Solve Simple Math Word Problems?cited by 878
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- 2021Did Aristotle Use a Laptop? A Question Answering Benchmark with Implicit Reasoning Strategiescited by 743
- 2020How Can We Know When Language Models Know? On the Calibration of Language Models for Question Answeringcited by 445
- 2016Solving General Arithmetic Word Problemscited by 360
- 2021A Diverse Corpus for Evaluating and Developing English Math Word Problem Solverscited by 318
- 2023Faithful Chain-of-Thought Reasoningcited by 288
- 2023A Survey of Confidence Estimation and Calibration in Large Language Modelscited by 256
- 2020Reducing conversational agents' overconfidence through linguistic calibrationcited by 210
- 2019CLUTRR: A Diagnostic Benchmark for Inductive Reasoning from Textcited by 162
- 2021Improving Coherence and Consistency in Neural Sequence Models with Dual-System, Neuro-Symbolic Reasoningcited by 85
- 2022A Close Look into the Calibration of Pre-trained Language Modelscited by 57
- 2022Automatic Generation of Socratic Subquestions for Teaching Math Word Problemscited by 43
- 2022Detection of Word Adversarial Examples in Text Classification: Benchmark and Baseline via Robust Density Estimationcited by 32
- 2023SCREWS: A Modular Framework for Reasoning with Revisionscited by 16
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Citing papers per year: 2024: 16; 2025: 26; 2026: 31.
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- 2026Confidence Composition for Multiagent Language Model Systems11 Jun 2026
- 2026Unsupervised Confidence Calibration for Reasoning LLMs from a Single Generation21 Apr 2026
- 2026The Cost of Reasoning: Chain-of-Thought Induces Overconfidence in Vision-Language Models17 Mar 2026
- 2026Parallel Test-Time Scaling with Multi-Sequence Verifiers3 Mar 2026
- 2026Advances in LLM Reasoning Enable Flexibility in Clinical Problem-Solving17 Jan 2026
- 2025All Roads Lead to Rome: Graph-Based Confidence Estimation for Large Language Model Reasoning16 Sep 2025
- 2025PiCSAR: Probabilistic Confidence Selection And Ranking for Reasoning Chains29 Aug 2025
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- 2025Taming Object Hallucinations with Verified Atomic Confidence Estimation12 Nov 2025
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- 2026NOVA: NOise-aware Verbal Confidence CAlibration for Robust Large Language Models in RAG Systems16 Jan 2026
- 2025Do Retrieval Augmented Language Models Know When They Don't Know?1 Sep 2025
- 2024Does Fine-Tuning LLMs on New Knowledge Encourage Hallucinations?cited by 232
- 2024A Survey on Uncertainty Quantification of Large Language Models: Taxonomy, Open Research Challenges, and Future Directionscited by 121
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- 2026From token probabilities to calibrated confidence: An empirical study of mathematical question answering8 Aug 2026
- 2026When Policies Change Probabilities: Modular Decision-Making for LLM Code Review2 Aug 2026
- 2026Can LLMs Reliably Self-Report Adversarial Prefills, and How?22 Jun 2026
- 2026CaliDist: Calibrating Large Language Models via Behavioral Robustness to Distraction4 Jun 2026
- 2026Same Answer, Different Confidence: Protocol Sensitivity in LLM Confidence Calibration26 May 2026
- 2026Aligning LLM Uncertainty with Human Disagreement in Subjectivity Analysis11 May 2026
- 2026A Semantic-Sampling Framework for Evaluating Calibration in Open-Ended Question Answering8 May 2026
- 2026Towards Generation-Efficient Uncertainty Estimation in Large Language Models7 May 2026
- 2026Calibrating Model-Based Evaluation Metrics for Summarization19 Apr 2026
- 2026Slumbering to Precision: Enhancing Artificial Neural Network Calibration Through Sleep-like Processes9 Mar 2026
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