Continual Learning for LLMs

LLM: Large Language Model

Overview

The field investigates how large language models can keep learning through continual pretraining, instruction tuning, alignment, and personalization without losing earlier knowledge or skills. Common approaches include replaying old or generated examples, distillation and regularization, selective or orthogonal parameter updates, modular adapters, and external memories that leave the model weights unchanged. Evaluations use sequential task suites such as TRACE and SuperNI, domain streams such as biomedical NLP, and evolving knowledge or user-interaction settings, measuring both new-task performance and retention over time. No single approach works reliably across settings: results depend on task order, model capacity, and update type, while long-term evaluation must balance adaptation, forgetting, transfer, safety, and compute cost.

Latest papers

CardsList

236 papers44 papers in the last four weeks, up 110% on the four weeks before. 0.3% of all new papers.

  1. On Catastrophic Forgetting in Low-Rank Decomposition-Based Parameter-Efficient Fine-Tuning

    Mar 10, 2026Muhammad Ahmad, Jingjing Zheng, Yankai CaoParameter-Efficient Fine-TuningCatastrophic Forgetting

  2. A Dynamic Self-Evolving Extraction System

    Mar 6, 2026Moin Amin-Naseri, Hannah Kim, Estevam HruschkaDocument Information ExtractionLLM Information Extraction

  3. Understanding LoRA as Knowledge Memory: An Empirical Analysis

    Mar 1, 2026Seungju Back, Dongwoo Lee, Naun Kang +4Continual Learning for LLMsMemory-Augmented Language Models

  4. Enhancing Continual Learning for Software Vulnerability Prediction: Addressing Catastrophic Forgetting via Hybrid-Confidence-Aware Selective Replay for Temporal LLM Fine-Tuning

    Feb 27, 2026Xuhui Dou, Hayretdin Bahsi, Alejandro Guerra-ManzanaresSoftware Vulnerability DetectionContinual Learning for LLMs

  5. Aligning Language Models from User Interactions

    Feb 18, 2026Thomas Kleine Buening, Jonas Hübotter, Barna Pásztor +3LLM AlignmentPersonalized Language Model Alignment

  6. Updating Parametric Knowledge with Context Distillation Retains Post-Training Capabilities

    Feb 17, 2026Shankar Padmanabhan, Mustafa Omer Gul, Tanya GoyalContinual Learning for LLMsContext Distillation

  7. Panini: Continual Learning in Token Space via Structured Memory

    Feb 16, 2026Shreyas Rajesh, Pavan Holur, Mehmet Yigit Turali +2Continual Learning for LLMsMemory-Augmented Language Models

  8. Sparse Subspace-to-Expert Sharing for Task-Agnostic Continual Learning

    Jan 24, 2026Fatema Siddika, Md Anwar Hossen, Tanwi Mallick +1Continual Learning for LLMsContinual Learning

  9. Representation Interventions Enable Lifelong Knowledge Memory Control in LLMs

    Nov 25, 2025Xuyuan Liu, Shengyu Chen, Xinshuai Dong +6Knowledge EditingContinual Learning for LLMs

  10. Parameter Importance-Driven Continual Learning for Foundation Models

    Nov 19, 2025Lingxiang Wang, Hainan Zhang, Zhiming ZhengContinual Learning for LLMsParameter-Efficient Fine-Tuning

  11. Mixtures of SubExperts for Large Language Continual Learning

    Nov 9, 2025Haeyong Kang, Hee Suk Yoon, Dahua Feng +1Continual Learning for LLMsMixture-of-Experts Language Models

  12. Retaining by Doing: The Role of On-Policy Data in Mitigating Forgetting

    Oct 21, 2025Howard Chen, Noam Razin, Karthik Narasimhan +1Continual Learning for LLMsRL Post-Training

  13. K-Merge: Online Continual Merging of Adapters for On-device Large Language Models

    Oct 15, 2025Donald Shenaj, Ondrej Bohdal, Taha Ceritli +3Continual Learning for LLMsOn-Device Language Model Inference

  14. LLMs Can Get "Brain Rot": A Pilot Study on Twitter/X

    Oct 15, 2025Shuo Xing, Junyuan Hong, Yifan Wang +5LLM TrainingLLM Reliability

  15. Reinforcement Fine-Tuning Naturally Mitigates Forgetting in Continual Post-Training

    Jul 7, 2025Song Lai, Haohan Zhao, Rong Feng +9Continual Learning for LLMsLLM Post-Training

  16. Cite Pretrain: Retrieval-Free Knowledge Attribution for Large Language Models

    Jun 21, 2025Yukun Huang, Sanxing Chen, Jian Pei +2Continual Learning for LLMs

  17. TreeLoRA: Efficient Continual Learning via Layer-Wise LoRAs Guided by a Hierarchical Gradient-Similarity Tree

    Jun 12, 2025Yu-Yang Qian, Yuan-Ze Xu, Zhen-Yu Zhang +2Continual Learning for LLMsLow-Rank Adaptation

  18. Forget About It: Mitigating Forgetting Without Replay or Auxiliary Objectives

    Jan 9, 2025Anat Kleiman, Gintare Karolina Dziugaite, Jonathan Frankle +2Catastrophic ForgettingContinual Learning for LLMs

  19. Continual Memorization of Factoids in Language Models

    Nov 11, 2024Howard Chen, Jiayi Geng, Adithya Bhaskar +2Continual Learning for LLMsMemorization in Language Models