Large Language Model Hallucination

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18 papers in the last four weeks, up 80% on the four weeks before. 0.2% of all new papers.

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  1. ROT: Rotating Hidden States towards Contextual Vectors for Hallucination Mitigation in LVLMs

    Oct 5, 2026Yijing Du, Xiangcheng Zhan, Shuo YangLarge Language Model Hallucination

    Harbin Institute of Technology, Shenzhen

  2. OmniConfess: Eliciting Token Confessions to Mitigate Omni-Modal Hallucination

    Oct 2, 2026Huiqiang Rong, Haoran Luo, Hui Feng +4Large Language Model HallucinationOmni-Modal

    Beijing University of Posts and Telecommunications · Nanyang Technological University, Singapore

  3. Alleviating Hallucination in Reasoning Tasks with Training-Free Uncertainty-Guided Steering

    Sep 30, 2026Litian Liu, Qiqi Hou, Yubing Jian +5Large Language Model HallucinationLarge Language Model Uncertainty

    Qualcomm AI Research · UC Santa Barbara

  4. Halluscoring 2026: The first shared task on llms hallucination detection and answer verification

    Sep 29, 2026Aisha Alansari, Abdessalam Bouchekif, Ahmed Hasanaath +9Hallucination DetectionLarge Language Model Hallucination

    King Fahd University of Petroleum and Minerals, Saudi Arabia · Hamad Bin Khalifa University, Qatar · University of the Basque Country, Spain +5

  5. Devils in Question Relay: Source-Conditioned Relay Steering to Mitigate Hallucinations in Audio-visual Large Language Models

    Sep 29, 2026Yu Zhang, Pingrui Zhang, Xuefeng Bai +3Large Language Model HallucinationMultimodal Large Language Models

    Harbin Institute of Technology, Shenzhen, China

  6. Beyond Saying Less: Fine-Grained Alignment for Informative and Faithful Vision-Language Models

    Sep 28, 2026Xingming Long, Jie Zhang, Yuecong Min +2Large Language Model HallucinationVisual Hallucinations

    State Key Laboratory of AI Safety, Institute of Computing Technology, Chinese Academy of Sciences · University of Chinese Academy of Sciences · Zhongguancun Academy

  7. Before the Token Commits: Trajectory-Level Benchmarking of Visual Hallucinations in Diffusion VLMs

    Sep 28, 2026Yadong Wang, Siping Yue, Yu Tian +2Large Language Model HallucinationVisual Hallucinations

    Nanjing University of Aeronautics and Astronautics · State Key Laboratory of Ocean Sensing, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou, 311215, China · Security Capability Center

  8. Faithful Activation Verbalization: Reducing Hallucinations in LLM Representation Interpretation

    Sep 27, 2026Haiyan Zhao, Zirui Hei, Wei Shi +3VerbalizationLarge Language Model Hallucination

    New Jersey Institute of Technology · Shanghai AI Laboratory · Xi’an JiaoTong University +1

  9. MISHAP-Bench: A Hallucination Benchmark for Large Audio-Language Models

    Sep 27, 2026Zhi Wen Soi, Giulio Segalini, Jian-Jia Chen +1Large Audio Language ModelsLarge Language Model Hallucination

    University of Neuchâtel · TU Dortmund University · RWTH Aachen University +1

  10. The Commit-Abstain Circuit: Why Language Models Hallucinate Instead of Abstaining

    Sep 26, 2026Vy Nguyen, Ziqi Xu, Jeffrey Chan +5Large Language Model HallucinationAbstention

    RMIT University · Jilin University · Nanyang Technological University

  11. DEEPO: Dual-Entropy Enhanced Policy Optimization for Hallucination in MLLMs

    Sep 23, 2026Yingxuan Zhuang, Miao Pan, Wangjie Gan +6Large Language Model Reinforcement LearningLarge Language Model Hallucination

    Zhejiang University · Shanghai Artificial Intelligence Laboratory

  12. SKstars at SHROOM: Visions Agreement-Guided Ensembling of Zero-Shot and LoRA-Adapted Vision--Language Models

    Sep 21, 2026Ali Athar, Imran Ahsan, Joon-Yong JungLarge Language Model HallucinationCitation Hallucination Detection

    Department of Radiology, Seoul St. Mary’s Hospital, The Catholic University of Korea · Department of Smart City, Chung-Ang University

  13. Closed-World Resolution Against Tool Hallucination in LLM Agents

    Sep 16, 2026Laxmipriya Ganesh IyerLarge Language Model HallucinationTool Invocation

    Independent Researcher

  14. Attention Dispersion as a Diagnostic Signal for Hallucination in Large Language Models

    Sep 16, 2026Shardul P. More, Tanuja S. PawarLarge Language Model HallucinationLLM Reasoning Strategies

    Rajarambapu Institute of Technology Ishwarpur, Maharashtra, India

  15. SAVOR: Self-Aware Visual Grounding via Confidence-Calibrated Reinforcement Learning for Multimodal Hallucination Mitigation

    Sep 15, 2026Zixiu Ding, Zilin Zhao, Yingjie He +3Large Language Model HallucinationSelf-Evaluation

    Central South University · Peking University

  16. Look Before You Leap: Factual Decoding with Internal Attribution Signals

    Sep 14, 2026Hayeong Ryu, JungMin Yun, Byeonggeuk Lim +2Large Language Model HallucinationCitation Hallucination

    Department of Artificial Intelligence, Chung-Ang University · Graduate School of Advanced Imaging Sciences, Multimedia and Film, Chung-Ang University

  17. When the Wrong Key Wins: Understanding and Detecting Hallucinations in LLMs

    Sep 14, 2026Xuhan Tong, Haoyue Bai, Dawei Zhou +2Large Language Model HallucinationHallucination Detection

    University of Wisconsin–Madison

  18. Two-Token Features and Small-Large Ensembles for VLM Hallucination Detection

    Sep 9, 2026Eli SchwartzLarge Language Model HallucinationOptical Character Recognition

    IBM Research

  19. TAD: Token-Adaptive Contrastive Decoding with Confidence-Guided Gating for Hallucination Mitigation in Large Audio-Language Models

    Sep 7, 2026Heyu Chang, Nianwen Si, Hao Zhang +2Large Audio Language ModelsContrastive Decoding

    Information Engineering University, China

  20. Better Understanding, Better Fixes? A Study of Hallucination in LLM-based Automated Program Repair

    Sep 4, 2026Xuemeng Cai, Jiakun Liu, Linhan Yang +2Automated Program RepairRepair

    School of Computing and Information Systems, Singapore Management University, Singapore · Harbin Institute of Technology, Harbin, China

  21. Does Playing it Safe Count as Faithfulness? Reassessing LVLM Hallucination Mitigation Methods

    Sep 1, 2026Mehrdad Fazli, Sina Mansouri, Mohit Marvania +1Large Language Model HallucinationHallucination Mitigation

    Department of Computer Science, George Mason University Fairfax, VA 22030, USA

  22. CHARM: Character Hallucination for Multicultural Role Play Benchmark

    Sep 1, 2026Sunkyung Han, Nahyeon Park, Gaeun Seo +2Large Language Model HallucinationVisual Hallucinations

    Sungkyunkwan University, Suwon, South Korea · Adobe Research, CA, USA

  23. The Privacy-Hallucination Tradeoff in Differentially Private Language Models

    Aug 31, 2026Krithika Ramesh, Krishna Pillutla, Danish Pruthi +1Large Language Model HallucinationPrivacy-Utility Trade-Offs

    Johns Hopkins University · Indian Institute of Technology, Madras · Indian Institute of Science

  24. SingProbe Technical Report

    Aug 31, 2026Sing TeamLarge Language Model SafetyRuntime Safety Filtering

    AI Security Lab, Ant Group

  25. Partition-Aware Unlearning for Removing Spurious Correlations in Large Vision-Language Models

    Aug 30, 2026Aditi Sarker, Nazreen Shah, Rafi Ibn Sultan +3Recent Vision-Language ModelsLarge Language Model Hallucination

    Department of Computer Science, Wayne State University, MI, USA · Department of Electronics & Communications Engineering, IIIT Delhi, India · Institute for AI and Data Science (AIDaS), Wayne State University, MI, USA

  26. Compression-Aware Abstention: Teaching LLMs to Refuse When KV-Compression Masks Remove Answer Evidence

    Aug 30, 2026Mohammadali Khodabandehlou, Bhaskar KrishnamachariLLM Inference OptimizationLarge Language Model Hallucination

    University of Southern California

  27. When Do Supervised UQ Ensembles Improve LLM Hallucination Detection? A Robustness Study

    Aug 25, 2026Mohit Singh Chauhan, Vipin Gyanchandani, Dylan BouchardLarge Language Model HallucinationHallucination Detection

    CVS Health®, Wellesley, MA, USA

  28. Test-Time Hallucination Control in Large Vision-Language Models

    Aug 11, 2026Mehran Tamjidi, Hamidreza Dastmalchi, Ali Cheraghian +3Large Language Model HallucinationHallucination Mitigation

    University of Technology Sydney · York University, Canada · Australian National University +2

  29. UniProbe: A Learnable Token-Level Hallucination Detector for Large VLMs using Multi-Structural Internal Representations

    Aug 11, 2026Dvir Samuel, Guy Bar-Shalom, Fabrizio Frasca +4Large Language Model HallucinationToken-Level Uncertainty

    NVIDIA Research, Tel Aviv, Israel · Technion, Haifa, Israel · Bar-Ilan University, Ramat Gan, Israel +1

  30. HoloAegis: Frozen Representation, Topological Inference --- Minimally Parametric Safety Manifolds and Their Capability Boundaries for LLM Guardrails

    Aug 9, 2026Tak Ho Alex Li, Kaijie Liu, Lik-Hang Lee +3Large Language Model SafetyLarge Language Model Hallucination

    Department of Mathematics, Hong Kong Baptist University, Hong Kong 999077 · Guangdong-Hong Kong-Macao Institute of ESG and New Quality Productive Forces, School of Optoelectronic Engineering, Guangdong Polytechnic Normal University, Guangzhou 510665 · Guangdong Institute of Digital Industry, Guangzhou 510000 +3

  31. Prompt Embedding Probes (PEP): Hallucination Detection in LLMs from Hidden States

    Aug 8, 2026Zakhar Mrykhin, Valentin MalykhLarge Language Model HallucinationCitation Hallucination Detection

    HSE University

  32. Eliciting Intrinsic Hallucinations in LLMs via Semantically Equivalent Adversarial Attacks

    Aug 4, 2026Atri Vivek Sharma, Brian Formento, Alessio LomuscioLarge Language Model HallucinationAttacker Large Language Model

    Imperial College London · Safe Intelligence

  33. Can Humans Dream of Electric Sheep? Human-Written Samples for Fine-Grained Vision-and-Language Hallucination Benchmarking

    Aug 2, 2026Timothee Mickus, Claudio Savelli, Eduardo Calò +10Large Language Model HallucinationHallucination Rate

    University of Helsinki

  34. Role-Break in Attention Heads: Understanding and Detecting Hallucinations in VLMs

    Jul 31, 2026Mingyu Wang, Weilin Jin, Wenbo Li +5Large Language Model HallucinationGenerative Hallucination

    Peking University, Beijing, China · Joy Future Academy, Beijing, China

  35. When Are Reasoning-Based Guardrails Not Efficient? ResponseGuard: A Fast Vision-Language Guard for Real-Time Moderation

    Jul 23, 2026Dongbin NaStreaming GuardrailsGuardrail

    POSTECH

  36. Visual Token Compression Enhances Robustness of MLLMs

    Jul 21, 2026Shishen Gu, Jiequan Cui, Wenbo Hu +3Visual Token PruningRecent Vision-Language Models

    Hefei University of Technology · Hefei, China

  37. Reasoning Error from Known Fact: Step-Level Self-Consistency Group Relative Policy Optimization for LLM

    Jul 21, 2026Xiaomeng Hu, Jiaqi Hu, Hao Chen +4Large Language Model HallucinationLLM Reasoning Strategies

    Zhejiang University

  38. ASK-NN: An Asymmetric Nearest-Neighbor Test that detects Distribution Drifts in Natural Language

    Jul 17, 2026Sergey Zakharov, Rodion Oblovatny, Alexey ZaytsevLarge Language Model HallucinationMachine-Generated Text Detection

    Saint-Peterburg university, Saint-Peterburg, Russia · Risk AI Research Lab, Moscow, Russia · Applied AI Institute, Moscow, Russia

  39. Contextualized Evaluation of Vision Language Models through Dynamic, Multi-turn Interactions

    Jul 16, 2026Yijiang Li, Huiqi Zou, Bingyang Wang +1Large Language Model EvaluationLarge Language Model Hallucination

    UC San Diego · Northeastern University · Georgia Institute of Technology +1

  40. Hallo4D: Multi-Modal Hallucination Mitigation for Consistent Spatio-Temporal Generation

    Jul 14, 2026Hongbo Wang, Huaibo Huang, Jie Cao +34D GenerationLarge Language Model Hallucination

    MAIS&NLPR, Institute of Automation, Chinese Academy of Science, Beijing, 100190, China · University of Chinese Academy of Sciences, Beijing, 101408, China · Shanghaitech University, Shanghai, 201210, China

  41. Evidence-Grounded Verified Agentic Reasoning: A Path Toward Eliminating LLM Hallucination in Empirical Inference via Tool-Attested Kernel Proofs

    Jul 14, 2026Junyu RenEvidence-Grounded QuestionsAgentic Reasoning

    Committee on Computational and Applied Mathematics, University of Chicago, Chicago, IL, USA.

  42. Hallucination Detection in Large Language Models Using Diversion Decoding

    Jul 11, 2026Basel Abdeen, S M Tahmid Siddiqui, Meah Tahmeed Ahmed +4Large Language Model HallucinationHallucination Detection

    The University of Texas at Dallas, Richardson, TX 75080, USA · National Institute of Standards and Technology, Gaithersburg, USA · Carnegie Mellon University, PA, USA

  43. HIVE: Understanding Post-Hallucination Reasoning in Vision Language Models

    Jul 8, 2026Feng He, Zhenting Wang, Qifan Wang +4Large Language Model HallucinationCitation Hallucination

    Purdue University · Rutgers University · Meta AI +2

  44. SeeMe: Mitigating Hallucinations in Large Vision-Language Models through Effective Visual Token Engineering

    Jul 5, 2026Kai Tang, Jinhao You, Bohua Zhang +6Large Language Model HallucinationObject Hallucination

    State Key Laboratory of Multimedia Information Processing, School of Computer Science, Peking University · Nanyang Technological University · University of Pennsylvania +4

  45. Grounded Optimization: A Layered Engineering Framework for Reducing LLM Hallucination in Automated Personal Document Rewriting

    Jul 1, 2026Shashank Indukuri, Adarsh AgrawalLarge Language Model HallucinationGenerative Hallucination

  46. MoHallBench: A Benchmark for Motion Hallucination in Video Large Language Models

    Jul 1, 2026Sihan Chen, Jiale Li, Jianghang Lin +1Large Language Model HallucinationObject Hallucination

    State Key Laboratory of General Artificial Intelligence, Peking University, Shenzhen Graduate School, Shenzhen, China · South China University of Technology, Guangzhou, China · Key Laboratory of Multimedia Trusted Perception and Efficient Computing, Ministry of Education of China, Xiamen University, Xiamen, China

  47. Understanding Why Language Models Hallucinate: Testing Reasoning Against Priors

    Jul 1, 2026Yangfan Hu, Xuhan Tong, Haoyue Bai +5Large Language Model HallucinationLarge Language Models Fail

    University of Wisconsin–Madison

  48. Synergistic Perception-Reasoning Governance: Grounding Medical MLLMs with Verifiable Anatomical Evidence

    Jun 30, 2026Rui Hao, Qiankun Li, Junyuan Mao +4Large Language Model HallucinationMultimodal Large Language Models

    Huazhong University of Science and Technology, Wuhan, China · Imperial Global Singapore, Imperial College London, London, United Kingdom · Nanyang Technological University, Singapore, Singapore +2

  49. ADAPT: Attention Dynamics Alignment with Preference Tuning for Faithful MLLMs

    Jun 30, 2026Zhiyuan Yao, Zheren Fu, Zhixiao Zheng +3Multimodal Large Language ModelsLarge Language Model Hallucination

    University of Science and Technology of China, Hefei, China · State Key Laboratory of Communication Content Cognition, People’s Daily Online, China · Huawei Technologies Ltd., China

  50. CORTEX: Token-Level Hallucination Detection in RAG via Comparative Internal Representations

    Jun 30, 2026Kazuaki Furumai, Shuichiro Haruta, Kazunori Matsumoto +1Large Language Model HallucinationCortex

    KDDI Research, Inc.

  51. AURORA: Asymmetry and Update-Induced Rotation for Robust Hallucination Detection in Large Language Models

    Jun 28, 2026Zishuai Zhang, Hainan Zhang, Zhiming ZhengLarge Language Model HallucinationCitation Hallucination Detection

    School of Artificial Intelligence, Beihang University, China · 2Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, China

  52. Dismantling Pathological Shortcuts: A Causal Framework for Faithful LVLM Decoding

    Jun 25, 2026Liu Yu, Can Chen, Ping Kuang +3Recent Vision-Language ModelsLarge Language Model Hallucination

    School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, China · School of Computer Science, University of Auckland, Auckland, New Zealand

  53. Staying VIGILant: Mitigating Visual Laziness via Counterfactual Visual Alignment in MLLMs

    Jun 24, 2026Xi Xiao, Chen Liu, Chih-Ting Liao +9Multimodal Large Language ModelsLarge Language Model Hallucination

    UAB · Yale · UNSW +6

  54. Grad Detect: Gradient-Based Hallucination Detection in LLMs

    Jun 23, 2026Anand Kamat, Daniel Blake, Brent M. WernessLarge Language Model HallucinationHallucination Detection

    Amazon

  55. MODE-RAG: Manifold Outlier Diagnosis and Energy-based Retrieval-Augmented Generation Evaluation

    Jun 16, 2026Zehang Wei, Jiaxin Dai, Jiamin Yan +1Multimodal Retrieval Augmented GenerationLarge Language Model Hallucination

    School of AI and Automation, Huazhong University of Science and Technology, China · School of Computer Science & Tech, Huazhong University of Science and Technology

  56. BALTO: Balanced Token-Level Policy Optimization for Hallucination Mitigation

    Jun 14, 2026Ning Li, Zixuan Guo, Yan Xu +7Large Language Model HallucinationHallucination Mitigation

    1Shanghai Jiao Tong University · 2Tencent · 3The

  57. Trust but Verify: Mitigating Medical Hallucinations via Post-Hoc Adversarial Auditing and Multi-Agent Feedback Loops

    Jun 12, 2026Muhammad Osama, Maheera Amjad, Zartasha Mustansar +2Large Language Model HallucinationVisual Hallucinations

    Data Science and Machine Learning Lab, SINES, NUST · CEME, NUST

  58. NTS-CoT: Mitigating Hallucinations in LLM-based News Timeline Summarization with Chain-of-Thought Reasoning

    Jun 11, 2026Feng Lyu, Huiqin Yan, Sijing Duan +5SummarizationLarge Language Model Hallucination

    Central South University · Tsinghua University · Nanjing University +2

  59. Zero-source LLM Hallucination Detection with Human-like Criteria Probing

    Jun 11, 2026Jiahao Yang, Shuhai Zhang, Hailong Kang +3Large Language Model HallucinationHallucination Detection

    South China University of Technology · The University of Melbourne · Pazhou Laboratory +1

  60. SafeLLM: Extraction as a Hallucination-Resistant Alternative to Rewriting in Safety-Critical Settings

    Jun 11, 2026Julia Ive, Felix Jozsa, Evridiki Georgaki +6Large Language Model SafetyLarge Language Model Hallucination

    Institute of Health Informatics, University College London, London, UK · National Hospital for Neurology and Neurosurgery, Queen Square, London, UK · Somerset NHS Foundation Trust, UK +2