Research Index

Papers on Agent Memory

A categorized index of 488 research papers on agent memory, knowledge retrieval, and cognitive architectures. Last updated March 2026.

488 Papers
15 Categories
A Memory Architectures for LLM Agents 85 B Knowledge Graph + RAG Memory 46 C Cognitive Architectures & Reflection 56 D Reinforcement Learning for Memory 27 E Context Compression & Optimization 55 F Temporal Memory & Belief Updating 18 G Multi-Agent & Institutional Memory 30 H Benchmarks & Evaluations 47 I Domain-Specific Agent Memory 30 J Surveys & Taxonomies 20 K RAG Architectures 0 L Long-Context & Attention 26 M Neuro-Symbolic Memory 16 N Continual & Lifelong Learning 17 O Conversation & Dialogue Memory 15
A

Memory Architectures for LLM Agents

85 papers
MemGPT: Towards LLMs as Operating Systems2023
ICLR 2024arXiv:2310.08560Code

OS-inspired tiered memory (main context, recall, archival) with self-directed management

A-MEM: Agentic Memory for LLM Agents2025
ICLR 2025arXiv:2502.12110Code

Zettelkasten-inspired interconnected memory with autonomous store/retrieve/forget decisions

SimpleMem: Efficient Lifelong Memory2026
arXiv:2601.02553Code

Three-stage compression/synthesis/retrieval achieving 30x efficiency

MemoryBank: Enhancing LLMs with Long-Term Memory2023
arXiv:2305.10250

Ebbinghaus forgetting curve-based memory management for multi-turn conversations

RecallM: Temporal Context Understanding2023
arXiv:2307.02738Code

Temporal context tracking with belief updating mechanisms
B

Knowledge Graph + RAG Memory

46 papers
GraphRAG: From Local to Global2024
arXiv:2404.16130Code

Entity-centric KGs with community summaries for multi-hop reasoning

LightRAG: Simple and Fast RAG2024
EMNLP 2025arXiv:2410.05779Code

Dual-level KG retrieval, 80ms vs 120ms standard RAG

Zep: Temporal Knowledge Graph for Agent Memory2025
arXiv:2501.13956Code

Bi-temporal model, 94.8% DMR accuracy

HippoRAG: Neurobiologically Inspired Long-Term Memory2024
NeurIPS 2024arXiv:2405.14831

Hippocampal-inspired hierarchical retrieval

AriGraph: Learning KG World Models with Episodic Memory2024
arXiv:2407.04363

KG world models with iterative refinement
C

Cognitive Architectures & Reflection

56 papers
Generative Agents: Interactive Simulacra of Human Behavior2023
UIST 2023arXiv:2304.03442Code

Pioneering agent architecture with observation, reflection, planning

Voyager: Open-Ended Embodied Agent with LLMs2023
arXiv:2305.16291Code

Lifelong learning in Minecraft with skill library

Reflexion: Language Agents with Verbal Reinforcement Learning2023
NeurIPS 2023arXiv:2303.11366Code

Self-improvement via verbal feedback in episodic memory

ExpeL: LLM Agents Are Experiential Learners2023
arXiv:2308.10144

Learning from past failures via experience extraction

CoALA: Cognitive Architectures for Language Agents2023
arXiv:2309.02427Code

Comprehensive taxonomy of memory + planning + action
D

Reinforcement Learning for Memory

27 papers
Memory-R1: Enhancing LLM Agents with RL2025
arXiv:2508.19828
MemAgent: Reshaping Long-Context with Multi-Conv RL2025
arXiv:2507.02259
Agent Lightning: Fast and Efficient Memory for Agents2025
arXiv:2508.03680
Mem-α: Memory-Augmented Agents via RL2025
arXiv:2509.25911
MemRL: Self-Evolving via Runtime RL on Memory2026
arXiv:2601.03192
E

Context Compression & Optimization

55 papers
LLMLingua: Compressing Prompts for Accelerated Inference2023
EMNLP 2023arXiv:2310.05736

EMNLP 2023

LongLLMLingua: Accelerating LLMs in Long Context2023
ACL 2024arXiv:2310.06839

ACL 2024

LLMLingua-2: Data Distillation for Task-Agnostic Compression2024
arXiv:2403.12541
RECOMP: Compression and Selective Augmentation2023
ICLR 2024arXiv:2310.04408

ICLR 2024

500xCompressor: Generalized Prompt Compression2024
ACL 2025arXiv:2408.03094

ACL 2025
F

Temporal Memory & Belief Updating

18 papers
Zep/Graphiti (see Cat B)2025
arXiv:2501.13956
RecallM (see Cat A)2023
arXiv:2307.02738
TReMu: Temporal Reasoning with Memory Updates2025
arXiv:2502.01630
Time-R1: Time-Aware Reasoning for Memory2025
arXiv:2505.13508
Chronos: Temporal-Aware Conversational Agents2026
arXiv:2603.16862
G

Multi-Agent & Institutional Memory

30 papers
Atomic Knowledge Units for Institutional Memory2026
arXiv:2603.14805
SRMT: Shared Memory for Multi-agent Pathfinding2025
arXiv:2501.13200
MIRIX: Multi-Agent Memory System2025
arXiv:2507.07957
MemOS Multi-Agent Sharing2025
arXiv:2507.03724
Multi-Agent Memory from Computer Architecture2026
arXiv:2603.10062
H

Benchmarks & Evaluations

47 papers
LongMemEval: Long-Term Interactive Memory2024
ICLR 2025arXiv:2410.10813

ICLR 2025

LoCoMo: Very Long-Term Conversational Memory2024
arXiv:2402.17753
ConvoMem: Conversational Memory Benchmark2025
arXiv:2511.10523
MemoryBench (Supermemory)2025
arXiv:2510.17281
MemoryAgentBench2026
ICLR 2026arXiv:2507.05257

ICLR 2026
I

Domain-Specific Agent Memory

30 papers
FinMem: Performance-Enhanced LLM Trading Agent2023
arXiv:2311.13743

Finance

Retrieval Augmented Generation for Fintech2025
arXiv:2510.25518

Finance

Patient-Zero: Synthetic Patient Agents2025
arXiv:2509.11078

Medical

Memory-Augmented LLM Agents for Journalism2025
ICML 2025arXiv:2507.21055

Journalism

Probing LLM-Centric Lifelong Empathic Motion2025
arXiv:2512.19551

Robotics
J

Surveys & Taxonomies

20 papers
Memory in the Age of AI Agents: A Survey2025
arXiv:2512.13564
CoALA: Cognitive Architectures for Language Agents2023
arXiv:2309.02427
A Survey on Memory in LLM Agents (Tsinghua)2025
arXiv:2504.13727
The AI Hippocampus: How Far are We From Human Memory?2025
Code
A Survey of Self-Evolving Agents2025
arXiv:2507.21046
K

RAG Architectures

0 papers
L

Long-Context & Attention

26 papers
FlashAttention: Fast and Memory-Efficient Exact Attention2022
arXiv:2205.14135
FlashAttention-2: Faster Attention with Better Parallelism2023
arXiv:2307.08691
FlashAttention-3: Fast and Accurate Attention with Asynchrony2024
arXiv:2407.08608
SeerAttention: Learning Intrinsic Sparse Attention2024
arXiv:2410.13276
KASCADE: KV-cache Aware Sparse Attention with Dynamic Eviction2025
arXiv:2512.16391
M

Neuro-Symbolic Memory

16 papers
Aeon: High-Performance Neuro-Symbolic Memory2026
arXiv:2601.15311
TReMu: Neuro-Symbolic Temporal Reasoning with Memory Updates2025
arXiv:2502.01630
Unlocking Potential through Neuro-Symbolic Architectures2025
arXiv:2502.11269
Procedural Adherence through Neuro-Symbolic Agents2024
arXiv:2402.16905
Advancing Multimodal Reasoning with Neuro-Symbolic Memory2026
arXiv:2603.15280
N

Continual & Lifelong Learning

17 papers
Lifelong Learning of LLM Agents: A Roadmap2025
arXiv:2501.07278
LifelongAgentBench: Benchmarking Lifelong Agent Learning2025
arXiv:2505.11942
Building Self-Evolving Agents via Experience-Driven Learning2025
arXiv:2508.19005
A Survey of Self-Evolving Agents2025
arXiv:2507.21046
Towards Lifelong Learning of LLMs: A Survey2024
arXiv:2406.06391
O

Conversation & Dialogue Memory

15 papers
Long Time No See! Open-Domain Conversation with Long-Term Persona Memory2022
arXiv:2203.05797
UniMC: Unified Long-Term Memory Conversation2023
arXiv:2306.10543
Memory Sandbox: Transparent and Interactive Memory for Conversational Agents2023
arXiv:2308.01542
LoCoMo: Evaluating Very Long-Term Conversational Memory2024
arXiv:2402.17753
Enhancing Long-term RAG Chatbots with Context-Aware Memory2024
arXiv:2409.12524
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