Large Language Model Personalization

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15 papers in the last four weeks, up 67% on the four weeks before. 0.2% of all new papers.

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StreamProfileBench: A Benchmark for Fine-Grained User Profile Inference in Real-World Streaming Scenarios
May 25, 2026Sizhe Wang, Feiyu Duan, Juelin Wang +2Profile Large Language Model Personalization
School of Data Science, Fudan University · Shanghai University of Finance and Economics · Shanghai Innovation Institute +2
MATO: Multi-objective Personalized Alignment with Test-time Optimization for Large Language Models
May 25, 2026Linhao Luo, Thuy-Trang Vu, Van-Anh Nguyen +3Large Language Model Personalization Preference Alignment Learning
Monash University · Defence Science and Technology Group, Australia
Know You Before You Speak: User-State Modeling for LLM Personalization in Multi-Turn Conversation
May 23, 2026Jiani Luo, Xiaoyan Zhao, Yang Zhang +4Large Language Model Personalization Personalization
School of Computing, National University of Singapore, Singapore · School of Artificial Intelligence, Beihang University, Beijing, China · Institute of Computing Technology, Chinese Academy of Sciences, Beijing, China +1
APM: Evaluating Style Personalization in LLMs with Arbitrary Preference Mappings
May 20, 2026Philipp Spohn, Leander Girrbach, Zeynep AkataLarge Language Model Personalization Personalization
Technical University of Munich, Helmholtz Munich · Munich Center for Machine Learning (MCML)
Spectral Souping: A Unified Framework for Online Preference Alignment
May 19, 2026Yinlam Chow, Guy Tennenholtz, Ted Yun +4Preference Alignment Reinforcement Learning From Human Feedback
Google DeepMind · Google Research
Capability Conditioned Scaffolding for Professional Human LLM Collaboration
May 14, 2026Sen Yang, Yinglei MaScaffolds Large Language Model Personalization
University College London · Fudan University
Emotion-Attended Stateful Memory (EASM):The Architecture for Hyper-Personalization at Scale
May 14, 2026Vineet Kotecha, Vansh GuptaLarge Language Model Personalization Persistent State
divAIne Research
PRISM-X: Experiments on Personalised Fine-Tuning with Human and Simulated Users
May 13, 2026Hannah Rose Kirk, Liu Leqi, Fanzhi Zeng +4Large Language Model Personalization Personalization
University of Oxford · UK AI Security Institute · University of Texas at Austin +2
Training LLMs with Reinforcement Learning for Intent-Aware Personalized Question Answering
May 12, 2026Maryam Amirizaniani, Benjamin Charles Germain Lee, Jevin West +1Large Language Model Personalization Question-Answer Pairs
University of Washington, Seattle, WA, USA
Pretraining Exposure Explains Popularity Judgments in Large Language Models
May 12, 2026Jamshid Mozafari, Bhawna Piryani, Adam JatowtLarge Language Model Bias Large Language Model Personalization
University of Innsbruck Innsbruck, Austria
Why Users Go There: World Knowledge-Augmented Generative Next POI Recommendation
May 12, 2026Qiuyu Ding, Heng-Da Xu, Wei Zhang +4Location Large Language Model Personalization
Amap, Alibaba Group · Xi’an Jiaotong University
Personalizing LLMs with Binary Feedback: A Preference-Corrected Optimization Framework
May 11, 2026Xilai Ma, Liye Zhao, Weijun Yao +3Large Language Model Personalization Personalization
Harbin Institute of Technology, Shenzhen, China · Huawei Technologies Co., Ltd. · Nanyang Technological University
Test-Time Personalization: A Diagnostic Framework and Probabilistic Fix for Scaling Failures
May 9, 2026Linhai Zhang, Yulan HeTest-Time Scaling Large Language Model Personalization
King’s College London · The Alan Turing Institute
CLIPer: Tailoring Diverse User Preference via Classifier-Guided Inference-Time Personalization
May 8, 2026Jinyan Su, Jinpeng Zhou, Claire Cardie +1Large Language Model Personalization Personalization
Cornell University
Response Time Enhances Alignment with Heterogeneous Preferences
May 7, 2026Federico Echenique, Alireza Fallah, Baihe Huang +1Preference Alignment Learning Large Language Model Personalization
Department of Economics, University of California, Berkeley · Department of Computer Science and Ken Kennedy Institute, Rice University · Departments of Electrical Engineering and Computer Sciences, University of California, Berkeley +2
Bridging Textual Profiles and Latent User Embeddings for Personalization
May 7, 2026Zhaoxuan Tan, Xiang Zhai, Yan Zhu +2Multimodal Recommendation Model Large Language Model Personalization
University of Notre Dame · 2Google · * This work was done while Zhaoxuan was a student researcher at Google.
ExPerT: Personalizing LLM Responses to Users' Domain Expertise via Query-Wise Semantic and Keystroke Behavioral Cues
May 4, 2026Yeji Park, Jiwon Tark, Taesik GongLarge Language Model Personalization Large Language Model Responses
UNIST · Korea University
ReLay: Personalized LLM-Generated Plain-Language Summaries for Better Understanding, but at What Cost?
May 1, 2026Joey Chan, Yikun Han, Jingyuan Chen +8Large Language Model Personalization Summarization
University of Illinois Urbana-Champaign · University of Virginia · University of Colorado Anschutz +4
Theory-Grounded Evaluation Exposes the Authorship Gap in LLM Personalization
Apr 29, 2026Yash Ganpat SawantAuthorship Stylistic Fidelity
Independent AI Researcher
MEMOR-E: In-Context and Fine-Tuned LLM Personalization for Alzheimer's Assistive Robotics
Apr 28, 2026Maissa Abir Smaili, Eren Sadikoglu, Ransalu SenanayakeAlzheimer Cognitive Diagnosis
Istanbul Medipol University Istanbul, Türkiye · Arizona State University Tempe, USA
Sparse Personalized Text Generation with Multi-Trajectory Reasoning
Apr 27, 2026Bo Ni, Haowei Fu, Qinwen Ge +10Large Language Model Personalization Preference Alignment
Department of Computer Science, Vanderbilt University, Nashville, Tennessee · Adobe Research, San Jose, California · University of Orgeon, Eugene, Oregon
Preference Heads in Large Language Models: A Mechanistic Framework for Interpretable Personalization
Apr 24, 2026Weixu Zhang, Ye Yuan, Changjiang Han +7Large Language Model Personalization Personalization
McGill University · Mila - Quebec AI Institute · MBZUAI +2
Voice Under Revision: Large Language Models and the Normalization of Personal Narrative
Apr 24, 2026Tom van NuenenRewrite Stylometric
Social Sciences D-Lab, University of California, Berkeley
Separable Expert Architecture: Toward Privacy-Preserving LLM Personalization via Composable Adapters and Deletable User Proxies
Apr 23, 2026Chris Schneider, Philipp Schoenegger, Ben BariachLarge Language Model Personalization Low-Rank Adaptation Adapters
Microsoft AI
Personalized Benchmarking: Evaluating LLMs by Individual Preferences
Apr 21, 2026Cristina Garbacea, Heran Wang, Chenhao TanLarge Language Model Personalization Preference Alignment Learning
University of Chicago
JudgeMeNot: Personalizing Large Language Models to Emulate Judicial Reasoning in Hebrew
Apr 20, 2026Itay Razumenko, Arnon Sturm, Nir GrinbergLarge Language Model Personalization Judges
Computer and Information Science Ben-Gurion University of the Negev Beer-Sheva, Israel
CoPA: Benchmarking Personalized Question Answering with Data-Informed Cognitive Factors
Apr 16, 2026Hang Su, Zequn Liu, Chen Hu +3Large Language Model Personalization Preference Alignment Learning
East China Normal University, China · Zhongguancun Academy, China
DeepTutor: Towards Agentic Personalized Tutoring
Apr 10, 2026Bingxi Zhao, Jiahao Zhang, Xubin Ren +4Tutors Large Language Model Personalization
The University of Hong Kong
Towards Natural Personalization: Evaluating Long-Horizon Preference Following in Personalized User-LLM Interactions
Mar 4, 2026Qianyun Guo, Yibo Li, Yue Liu +1Large Language Model Personalization Preference Alignment Learning
National University of Singapore, Singapore.
Personalized Group Relative Policy Optimization for Heterogenous Preference Alignment
Feb 17, 2026Jialu Wang, Heinrich Peters, Asad A. Butt +6Preference Alignment Large Language Model Personalization
1Apple Inc., California, United States.
Synthetic Interaction Data for Scalable Personalization in Large Language Models
Feb 12, 2026Yuchen Ma, Yue Huang, Wenjie Wang +3Large Language Model Personalization Personalization
Munich Center for Machine Learning & LMU Munich · University of Notre Dame · Sichuan University
SPRInG: Continual LLM Personalization via Selective Parametric Adaptation and Retrieval-Interpolated Generation
Jan 15, 2026Seoyeon Kim, Jaehyung KimLarge Language Model Personalization Personalization
Yonsei University
Do Implicit Personalization and Explicit Styles Conflict? PsPLUG: A Lightweight Plug-in for Balancing Personalization and Style in Customized LLMs
Jan 10, 2026Yutong Song, Jiang Wu, Shaofan Yuan +5Large Language Model Personalization Personalization
University of California, Irvine · Independent Researcher · TikTok
GMTRouter: Personalized LLM Router over Multi-turn User Interactions
Oct 29, 2025Yihang Sun, Encheng Xie, Tao Feng +1Large Language Model Routing Large Language Model Personalization
University of Illinois Urbana-Champaign
POPI: Personalizing LLMs via Optimized Natural Language Preference Inference
Oct 17, 2025Yizhuo Chen, Xin Liu, Ruijie Wang +7Large Language Model Personalization Personalization
University of Illinois Urbana-Champaign · Amazon · University of Notre Dame
FaST: Feature-aware Sampling and Tuning for Personalized Preference Alignment with Limited Data
Aug 6, 2025Thibaut Thonet, Germán Kruszewski, Jos Rozen +2Large Language Model Personalization Preference Alignment
1NAVER Labs Europe · 2Independent Researcher
MiCRo: Mixture Modeling and Context-aware Routing for Personalized Preference Learning
May 30, 2025Jingyan Shen, Jiarui Yao, Rui Yang +5Large Language Model Personalization Preference Alignment Learning
New York University · University of Illinois Urbana-Champaign · Rice University
Demystifying the Privacy-Utility Trade-off in LLM Interactions
Date pendingZhenhua Liu, Zhanxu Xie, Junjie Yu +3Privacy-Utility Trade-Offs Large Language Model Personalization
Soochow University · Beihang University · Suzhou City University +2
PACIFIC: Can LLMs Discern the Psychometric Traits Influencing Your Preferences? Personality-Driven Preference Alignment in LLMs
Date pendingTianyu Zhao, Siqi Li, Yasser Shoukry +1Preference Alignment Preference Alignment Learning
Department of Electrical Engineering and Computer Science University of California, Irvine Irvine, CA 92697, USA
Where is the Mind? Persona Vectors and LLM Individuation
Date pendingPierre Beckmann, Patrick ButlinArtificial Intelligence Personas Personality
MATS · EPFL & Idiap Research Institute · Eleos AI Research

May 25, 2026, cs.CLJ/K move · Enter open · S save

StreamProfileBench: A Benchmark for Fine-Grained User Profile Inference in Real-World Streaming Scenarios

Sizhe Wang, Feiyu Duan, Juelin Wang, Liwen Zhang+1

School of Data Science, Fudan University · Shanghai University of Finance and Economics · Shanghai Innovation Institute+2

Profile Large Language Model Personalization

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Large Language Models (LLMs) have reshaped user profiling, yet current evaluations mainly focus on static data snapshots. This paradigm overlooks the reality of personalized systems, where User-Generated Content (UGC) arrives continuously and fine-grained profile evolve rapidly. To bridge this gap, we introduce StreamProfileBench, a large-scale benchmark for fine-grained streaming user profiling. We formalize streaming user profiling as a continuous state maintenance task and curate a highly authentic dataset comprising over 120,000 UGC posts from 7,000+ real users across five diverse platforms. By leveraging the temporal correlation of user interests, we further propose a novel, annotation-free evaluation framework. Extensive experiments across 14 leading LLMs reveal that continuous profile updating remains an open challenge. Models exhibit a systemic conservative bias, over-retaining past interests while failing to recognize interest decay. Ablation experiments further validate the practical utility and necessity of the streaming paradigm.

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