Long-Term Agent Memory

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19 papers in the last four weeks, up 111% on the four weeks before. 0.2% of all new papers.

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Infini Memory: Maintainable Topic Documents for Long-Term LLM Agent Memory
Jun 9, 2026Suozhao Ji, Baodong Wu, Zehao Wang +8Long-Term Agent Memory Long-Term Memory
1Infinigence AI · 2Tsinghua University · 3Shanghai Jiaotong University
Agent Memory: Characterization and System Implications of Stateful Long-Horizon Workloads
Jun 4, 2026Yasmine Omri, Ziyu Gan, Zachary Broveak +6Long-Term Agent Memory Production Agentic Systems
Stanford University · Independent Researcher · MICAS, KU Leuven +1
Beyond Semantic Organization: Memory as Execution State Management for Long-Horizon Agents
Jun 4, 2026Yaoqi Chen, Haibin Lai, Yuru Feng +12Long-Term Agent Memory Long-Horizon Agents
University of Science and Technology of China · Microsoft · University of California, San Diego +1
InfoMem: Training Long-Context Memory Agents with Answer-Conditioned Information Gain
Jun 2, 2026Tiancheng Han, Yong Li, Wuzhou Yu +2Long-Term Agent Memory Long-Context Reasoning
1Tongji University · 2Shanghai Innovation Institute · 3Shanghai AI Laboratory
MemTrain: Self-Supervised Context Memory Training
Jun 2, 2026Ziheng Li, Xingrun Xing, Haoqing Wang +2Long-Term Agent Memory Large Language Model Agents
State Key Laboratory of General Artificial Intelligence, School of Intelligence Science and Technology, Peking University · Samsung Research, Beijing, China
AgentCL: Toward Rigorous Evaluation of Continual Learning in Language Agents
Jun 1, 2026Yiheng Shu, Bernal Jiménez Gutiérrez, Saisri Padmaja Jonnalagedda +3Multilingual Agents Replay-Based Continual Learning
The Ohio State University · Johns Hopkins University · Intuit AI Research
Can LLM Agents Sustain Long-Horizon Organizational Dynamics?
May 31, 2026Xuancheng Zhu, Yang Yue, Shuaibing Wan +4Long-Horizon Agents Multi-Agent Simulations
Beijing University of Posts and Telecommunications, Beijing, China
Persistent AI Agents in Academic Research: A Single-Investigator Implementation Case Study
May 26, 2026Anas H. AlzahraniLong-Term Agent Memory Reproducibility
Department of Preventive Medicine and Public Health, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
Your Agents Are Aging Too: Agent Lifespan Engineering for Deployed Systems
May 25, 2026Jianing Zhu, Yeonju Ro, John Robertson +5Agentic Deployments Long-Term Agent Memory
The University of Texas at Austin
Is Agent Memory a Database? Rethinking Data Foundations for Long-Term AI Agent Memory
May 25, 2026Abdelghny Orogat, Essam MansourLong-Term Agent Memory Long-Term Memory
Concordia University
Mitigating Provenance-Role Collapse in Long-Term Agents via Typed Memory Representation
May 25, 2026Zhengda Jin, Bingbing Wang, Jing Li +2Long-Term Agent Memory Long-Term Memory
1Harbin Institute of Technology, Shenzhen, China · 2The Hong Kong Polytechnic University, Hong Kong, China · 3Shenzhen Loop Area Institute, Shenzhen, China
MemForest: An Efficient Agent Memory System with Hierarchical Temporal Indexing
May 16, 2026Han Chen, Zining Zhang, Wenqi Pei +6Long-Term Agent Memory Lifecycle
National University of Singapore · Singapore, Singapore · Zero Gravity Labs +1
DimMem: Dimensional Structuring for Efficient Long-Term Agent Memory
May 15, 2026Wentao Qiu, Haotian Hu, Fanyi Wang +2Long-Term Agent Memory Long-Term Memory
1StepOS · 2Xiamen University · 3ShanghaiTech University
LongMemEval-V2: Evaluating Long-Term Agent Memory Toward Experienced Colleagues
May 12, 2026Di Wu, Zixiang Ji, Asmi Kawatkar +4Long-Term Agent Memory Long-Term Memory
University of California, Los Angeles
MedMemoryBench: Benchmarking Agent Memory in Personalized Healthcare
May 12, 2026Yihao Wang, Haoran Xu, Renjie Gu +10Long-Term Agent Memory Memoryagentbench
Zhejiang University · Ant Group · Alibaba Group +1
Remember the Decision, Not the Description: A Rate-Distortion Framework for Agent Memory
May 11, 2026Mingxi Zou, Zhihan Guo, Langzhang Liang +6Long-Term Agent Memory Decisions
Fudan University · The Chinese University of Hong Kong · Meta AI +3
ShadowMerge: A Novel Poisoning Attack on Graph-Based Agent Memory via Relation-Channel Conflicts
May 9, 2026Yang Luo, Zifeng Kang, Tiantian Ji +4Graph-Structured Memories Poisoning
Key Laboratory of Trustworthy Distributed Computing and Service (MoE), Beijing University of Posts and Telecommunications · Beijing University of Posts and Telecommunications · Zhongguancun Laboratory
When Stored Evidence Stops Being Usable: Scale-Conditioned Evaluation of Agent Memory
May 8, 2026Jiaqi Shao, Yiyi Lu, Yunzhen Zhang +1Long-Term Agent Memory In-Memory Computing
Hong Kong University of Science and Technology, Hong Kong · Duke Kunshan University, China
Belief Memory: Agent Memory Under Partial Observability
May 7, 2026Junfeng Liao, Qizhou Wang, Jianing Zhu +3Long-Term Agent Memory Partially Observable Markov Decision Process
MBZUAI · RIKEN AIP · UT Austin +1
MEMTIER: Tiered Memory Architecture and Retrieval Bottleneck Analysis for Long-Running Autonomous AI Agents
May 5, 2026Bronislav Sidik, Lior RokachLong-Term Agent Memory Peak Memory
Institute for Applied AI Research · Faculty of Computer and Information Science · Ben-Gurion University of the Negev, Beer Sheva, Israel
Beyond Compaction: Structured Context Eviction for Long-Horizon Agents
May 1, 2026Andrew Semenov, Svyatoslav DorofeevLong-Horizon Agents Compaction
Kiz8
Detecting Clinical Discrepancies in Health Coaching Agents: A Dual-Stream Memory and Reconciliation Architecture
Apr 29, 2026Samuel L Pugh, Eric Yang, Alexander Muir Sutherland +1Longitudinal Patient Records Long-Term Agent Memory
Verily Health Inc.
Ask Only When Needed: Proactive Retrieval from Memory and Skills for Experience-Driven Lifelong Agents
Apr 22, 2026Yuxuan Cai, Wei Li, Jie Zhou +4Long-Term Agent Memory Skills
School of Computer Science and Technology, East China Normal University, Shanghai · Shanghai AI Laboratory
Stateless Decision Memory for Enterprise AI Agents
Apr 22, 2026Vasundra SrinivasanLong-Term Agent Memory Persistent State
Data Engineering for Multimodal AI (O’Reilly) · Stanford School of Engineering
From Recall to Forgetting: Benchmarking Long-Term Memory for Personalized Agents
Apr 21, 2026Md Nayem Uddin, Kumar Shubham, Eduardo Blanco +2Long-Term Agent Memory Agentic Memory
Arizona State University · Genies · University of Arizona
FOCAL: Filtered On-device Continuous Activity Logging for Efficient Personal Desktop Summarization
Apr 21, 2026Haoran Yin, Zhiyuan Wen, Jiannong Cao +2Summarization Streaming
The Hong Kong Polytechnic University Hong Kong, China · China Mobile Communications Company Limited Research Institute Beijing, China
GenericAgent: A Token-Efficient Self-Evolving LLM Agent via Contextual Information Density Maximization (V1.0)
Apr 18, 2026Jiaqing Liang, Jinyi Han, Weijia Li +15Large Language Model Agents Self-Evolving Agents
Advantage AI Agent Lab (A3 Lab)
Experience Compression Spectrum: Unifying Memory, Skills, and Rules in LLM Agents
Apr 17, 2026Xing Zhang, Guanghui Wang, Yanwei Cui +4Large Language Model Agents Long-Term Agent Memory
AWS Generative AI Innovation Center · HSBC Holdings Plc., HSBC Technology Center, China.
Layered Mutability: Continuity and Governance in Persistent Self-Modifying Agents
Apr 16, 2026Krti TallamModifications Self-Improving Agents
Kamiwaza AI, San Francisco, CA, USA

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Infini Memory: Maintainable Topic Documents for Long-Term LLM Agent Memory

Suozhao Ji, Baodong Wu, Zehao Wang, Lei Xia+7

1Infinigence AI · 2Tsinghua University · 3Shanghai Jiaotong University

Long-Term Agent Memory Long-Term Memory

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Long-term LLM agents need persistent memory that can track changing facts and provide relevant evidence across sessions. Existing memory systems often store observations as isolated records, summaries, or indexed fragments, which makes evidence aggregation, fact revision, and memory maintenance difficult. We propose Infini Memory, a maintainable text-based persistent memory architecture that treats agent memory as topic-structured documents. Each topic document serves as a semantic unit for collecting related evidence, preserving metadata, and revising facts over time. New observations are first staged in a buffer and periodically consolidated into coherent textual contexts. At inference time, an agentic retrieval procedure lets the LLM read memory through iterative tool calls rather than a single retrieval step. On MemoryAgentBench, Infini Memory achieves 64.7% overall score. Ablations show that topic-structured maintenance and iterative evidence inspection improve complementary aspects of long-term memory use.

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