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Related papers: Glitch Tokens in Large Language Models: Categoriza…

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Glitch tokens, inputs that trigger unpredictable or anomalous behavior in Large Language Models (LLMs), pose significant challenges to model reliability and safety. Existing detection methods primarily rely on heuristic embedding patterns…

Artificial Intelligence · Computer Science 2025-11-11 Zihui Wu , Haichang Gao , Ping Wang , Shudong Zhang , Zhaoxiang Liu , Shiguo Lian

Large language models (LLMs) have achieved unprecedented success in the field of natural language processing. However, the black-box nature of their internal mechanisms has brought many concerns about their trustworthiness and…

Computation and Language · Computer Science 2024-09-24 Zhibo Zhang , Wuxia Bai , Yuxi Li , Mark Huasong Meng , Kailong Wang , Ling Shi , Li Li , Jun Wang , Haoyu Wang

The disconnect between tokenizer creation and model training in language models allows for specific inputs, such as the infamous SolidGoldMagikarp token, to induce unwanted model behaviour. Although such `glitch tokens', tokens present in…

Computation and Language · Computer Science 2024-09-30 Sander Land , Max Bartolo

Concerns regarding the propensity of Large Language Models (LLMs) to produce inaccurate outputs, also known as hallucinations, have escalated. Detecting them is vital for ensuring the reliability of applications relying on LLM-generated…

Computation and Language · Computer Science 2024-05-31 Ernesto Quevedo , Jorge Yero , Rachel Koerner , Pablo Rivas , Tomas Cerny

Token-inconsistency bugs (TIBs) involve the misuse of syntactically valid yet incorrect code tokens, such as misused variables and erroneous function invocations, which can often lead to software bugs. Unlike simple syntactic bugs, TIBs…

Cryptography and Security · Computer Science 2025-10-14 Hongbo Chen , Yifan Zhang , Xing Han , Tianhao Mao , Huanyao Rong , Yuheng Zhang , XiaoFeng Wang , Luyi Xing , Xun Chen , Hang Zhang

Large Vision Language Models (LVLMs) have shown remarkable capabilities in multimodal tasks like visual question answering or image captioning. However, inconsistencies between the visual information and the generated text, a phenomenon…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Laura Fieback , Jakob Spiegelberg , Hanno Gottschalk

Large language models (LLMs) have demonstrated remarkable capabilities across diverse tasks. However, the truthfulness of their outputs is not guaranteed, and their tendency toward overconfidence further limits reliability. Uncertainty…

Computation and Language · Computer Science 2026-03-23 Qi Cao , Andrew Gambardella , Takeshi Kojima , Yutaka Matsuo , Yusuke Iwasawa

Recent advancements in large language models(LLMs), such as GPT-4 and GPT-4o, have shown exceptional performance, especially in languages with abundant resources like English, thanks to extensive datasets that ensure robust training.…

Computation and Language · Computer Science 2024-11-15 Jin Yang , Zhiqiang Wang , Yanbin Lin , Zunduo Zhao

This paper introduces AnomaLLMy, a novel technique for the automatic detection of anomalous tokens in black-box Large Language Models (LLMs) with API-only access. Utilizing low-confidence single-token predictions as a cost-effective…

Computation and Language · Computer Science 2024-07-01 Waligóra Witold

Large language models (LLMs) have shown their potential in long-context understanding and mathematical reasoning. In this paper, we study the problem of using LLMs to detect tabular anomalies and show that pre-trained LLMs are zero-shot…

Machine Learning · Computer Science 2024-06-25 Aodong Li , Yunhan Zhao , Chen Qiu , Marius Kloft , Padhraic Smyth , Maja Rudolph , Stephan Mandt

We propose a novel use of Large Language Models (LLMs) as unsupervised anomaly detectors in particle physics. Using lightweight LLM-like networks with encoder-based architectures trained to reconstruct background events via masked-token…

High Energy Physics - Experiment · Physics 2026-01-28 Ambre Visive , Polina Moskvitina , Clara Nellist , Roberto Ruiz de Austri , Sascha Caron

Large Language Models (LLMs) have demonstrated impressive generative capabilities across diverse tasks but remain susceptible to hallucinations, confidently generated yet factually incorrect outputs. We introduce a reference-free,…

Computation and Language · Computer Science 2025-10-17 Keshav Kumar

Large language models (LLMs) have demonstrated remarkable capabilities, but they still frequently produce hallucinations. These hallucinations are difficult to detect in reasoning-intensive tasks, where the content appears coherent but…

Computation and Language · Computer Science 2026-05-13 Rui Min , Tianyu Pang , Chao Du , Minhao Cheng , Yi R. Fung

Large Language Models (LLMs) have shown remarkable capabilities in language understanding and generation. Nonetheless, it was also witnessed that LLMs tend to produce inaccurate responses to specific queries. This deficiency can be traced…

Computation and Language · Computer Science 2025-05-16 Dixuan Wang , Yanda Li , Junyuan Jiang , Zepeng Ding , Ziqin Luo , Guochao Jiang , Jiaqing Liang , Deqing Yang

Large language models (LLMs) have achieved impressive results in natural language processing but are prone to memorizing portions of their training data, which can compromise evaluation metrics, raise privacy concerns, and limit…

Machine Learning · Computer Science 2024-12-03 Eduardo Slonski

Large Language Models (LLMs) hallucinate, and detecting these cases is key to ensuring trust. While many approaches address hallucination detection at the response or span level, recent work explores token-level detection, enabling more…

Machine Learning · Computer Science 2025-10-07 Jakob Snel , Seong Joon Oh

This study introduces a hypothesis-testing framework to assess whether large language models (LLMs) possess genuine reasoning abilities or primarily depend on token bias. We go beyond evaluating LLMs on accuracy; rather, we aim to…

Computation and Language · Computer Science 2024-10-07 Bowen Jiang , Yangxinyu Xie , Zhuoqun Hao , Xiaomeng Wang , Tanwi Mallick , Weijie J. Su , Camillo J. Taylor , Dan Roth

Large multimodal models (LMMs) have evolved from large language models (LLMs) to integrate multiple input modalities, such as visual inputs. This integration augments the capacity of LLMs for tasks requiring visual comprehension and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Mohammad Reza Taesiri , Tianjun Feng , Anh Nguyen , Cor-Paul Bezemer

Tangled code changes, commits that conflate unrelated modifications such as bug fixes, refactorings, and enhancements, introduce significant noise into bug datasets and adversely affect the performance of bug prediction models. Addressing…

Software Engineering · Computer Science 2025-10-28 Md Nahidul Islam Opu , Shaowei Wang , Shaiful Chowdhury

Code cloning, the duplication of code fragments, is common in software development. While some reuse aids productivity, excessive cloning hurts maintainability and introduces bugs. Hence, automatic code clone detection is vital. Meanwhile,…

Software Engineering · Computer Science 2023-08-08 Shihan Dou , Junjie Shan , Haoxiang Jia , Wenhao Deng , Zhiheng Xi , Wei He , Yueming Wu , Tao Gui , Yang Liu , Xuanjing Huang
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