Conversational Memory

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Overview

Conversational memory studies how AI assistants can preserve and reuse information from earlier interactions so they can answer follow-up questions, adapt to changing preferences, and maintain continuity. Systems range from searching raw chat logs with lexical or vector retrieval and reranking to storing summaries, event timelines, graphs, or speaker-specific states; many also add rules for updating facts and filtering uncertain or outdated information. Benchmarks such as LoCoMo and LongMemEval test long-range recall, while newer group and lifecycle evaluations examine speaker attribution, changing facts, and whether memories are used naturally in conversation. A central tension is whether elaborate structured memory improves reliability enough to justify its cost, since simple retrieval can be competitive and better recall does not always lead to better answers or user experience.

Latest papers

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72 papers13 papers in the last four weeks, down 13% on the four weeks before. 0.1% of all new papers.

  1. SocialMemBench: Are AI Memory Systems Ready for Social Group Settings?

    May 18, 2026Olukunle OwolabiAgent MemoryConversational Memory

    Independent Researcher

  2. Causal Intervention-Based Memory Selection for Long-Horizon LLM Agents

    May 17, 2026Saksham Sahai SrivastavaConversational MemoryLong-Term Conversational Memory

    School of Computing, University of Georgia, Athens, Georgia, USA.

  3. GroupMemBench: Benchmarking LLM Agent Memory in Multi-Party Conversations

    May 14, 2026Jingbo Yang, Kwei-Herng Lai, Xiaowen Wang +3Conversational MemoryLLM Agent Evaluation

    UC Santa Barbara · Microsoft

  4. Structured Belief State and the First Precision-Aware Benchmark for LLM Memory Retrieval

    May 11, 2026Jeffrey FlyntConversational MemoryLLM Memory

    Independent Researcher

  5. MemORAI: Memory Organization and Retrieval via Adaptive Graph Intelligence for LLM Conversational Agents

    May 2, 2026Hung Pham Van, Nguyen Manh Hieu, Khang Pham Tran Tuan +4Conversational MemoryGraph Retrieval-Augmented Generation

    1Independent Researcher · 2Hanoi University of Science and Technology · 3VNU University of Engineering and Technology +1

  6. StratMem-Bench: Evaluating Strategic Memory Use in Virtual Character Conversation Beyond Factual Recall

    Apr 29, 2026Yerong Wu, Tianxing Wu, Minghao Zhu +2Conversational MemoryAI Agent Benchmarks

    School of Computer Science and Engineering, Southeast University, China · 2Key Laboratory of New Generation Artificial Intelligence Technology and its Interdisciplinary Applications (Southeast University), Ministry of Education, China · 3Independent Researcher +1

  7. Back to Basics: Let Conversational Agents Remember with Just Retrieval and Generation

    Apr 13, 2026Yuqian Wu, Wei Chen, Zhengjun Huang +5Conversational MemoryLong-Term Conversational Memory

    The Hong Kong University of Science and Technology (Guangzhou) · The Hong Kong University of Science and Technology · National University of Singapore

  8. Knowledge Access Beats Model Size: Memory Augmented Routing for Persistent AI Agents

    Mar 24, 2026Xunzhuo Liu, Bowei He, Xue Liu +3Memory-Augmented Language Model AgentsConversational Memory

    vLLM Semantic Router Project · MBZUAI · McGill University +3

  9. Chronos: Temporal-Aware Conversational Agents with Structured Event Retrieval for Long-Term Memory

    Mar 17, 2026Sahil Sen, Elias Lumer, Anmol Gulati +1Long-Term Conversational MemoryConversational Memory

    Commercial Technology and Innovation Office, PricewaterhouseCoopers, U.S.

  10. SmartSearch: How Ranking Beats Structure for Conversational Memory Retrieval

    Mar 16, 2026Jesper Derehag, Carlos Calva, Timmy GhiurauConversational MemoryLong-Term Conversational Memory

    Midbrain.

  11. Semantic XPath: Structured Agentic Memory Access for Conversational AI

    Mar 1, 2026Yifan Simon Liu, Ruifan Wu, Liam Gallagher +3Conversational MemoryLong-Term Conversational Memory

    University of Toronto, Canada · Vector Institute of Artificial Intelligence, Toronto, Canada

  12. Beyond Dialogue Time: Temporal Semantic Memory for Personalized LLM Agents

    Jan 12, 2026Miao Su, Yucan Guo, Zhongni Hou +8LLM Agent MemoryConversational Memory

    Institute of Computing Technology, Chinese Academy of Sciences · State Key Laboratory of AI Safety · School of Computer Science, University of Chinese Academy of Sciences +1