JhCircle
Awesome-LLM-Empathy

Papers list of empathy in LMs: theory, modeling, systems, emotion, evaluation.

Last updated Jun 16, 2026
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README

SVG Image Awesome-LLM-Empathy Papers

Awesome License: MIT Last Commit PRs Welcome GitHub Repo stars

๐Ÿงญ Exploring empathetic AI? We hope this collection proves useful in your journey. If you'd like to support the project, feel free to โญ๏ธ the repo and share it with your peers. Contributions are warmly welcome!


๐Ÿ”ฅ News

๐Ÿ“ข This list is actively maintained, and community contributions are always appreciated!
Feel free to open a pull request if you find any relevant papers.
  • ๐ŸŽ‰ 2026-01: Excited to share that our work, Kardia-R1_, has been accepted at WWW 2026!
  • ๐ŸŽ‰ 2025-12: Our paper Kardia-R1_ was released on arxiv, check it now!!
> - ๐Ÿ”ง Code: https://github.com/JhCircle/Kardia-R1 > - ๐Ÿ“Š Dataset: https://huggingface.co/datasets/Jhcircle/KadiaBench > - ๐Ÿค— Model: https://huggingface.co/Jhcircle/Kardia-R1
  • ๐ŸŽ‰ 2025-05: Our paper ReflectDiffu_ was accepted at ACL 2025 Main!
ReflectDiffu boosts empathetic dialogue through psychology-inspired emotion-intent reflection in RL-guided diffusion, achieving state-of-the-art performance across key metrics and outperforming strong baselines including LLMs.
๐Ÿ–ผ๏ธ Click to view our ReflectDiffu Poster (ACL 2025)
Psychology-inspired diffusion with RL for empathetic dialogue

ReflectDiffu Poster

๐Ÿ“„ Download PNG

  • ๐ŸŽ‰ 2025-05: Repository launched to curate a comprehensive list of Empathy-focused LM research.

- ๐Ÿ’ก Theory & Frameworks - ๐Ÿ—ฃ๏ธ Empathetic Dialogue Systems - ๐Ÿงช Generative Approaches for Empathetic Responses - ๐Ÿ“š Knowledge-Enhanced Empathetic Dialogue - ๐ŸŽ›๏ธ Controllable & Personalized Empathy - ๐Ÿง  Emotion & Empathy Understanding - ๐ŸŽญ Emotion Recognition in Conversations (ERC) - ๐Ÿงฉ Cognitive & Affective Empathy Modeling - ๐Ÿ“Š Evaluation & Benchmarking - ๐ŸŒ Applications & Use Cases - โš–๏ธ Ethics & Societal Impact - ๐Ÿ“‚ Datasets - ๐Ÿ“š Surveys & Overviews

๐ŸŒŸ Introduction

This repository offers a comprehensive and up-to-date collection of research papers on Empathy in Large Language Models (LLMs).
As LLMs are increasingly integrated into real-world applications, their ability to express, understand, and simulate empathy is critical for building trustworthy and human-centric AI.

This list spans across:

  • Theoretical frameworks
  • Dialogue systems
  • Cognitive modeling
  • Evaluation strategies
  • Applications and ethical concerns
Whether you're a researcher, developer, or enthusiast, this is your go-to hub for exploring empathetic LLMs.


๐Ÿ“œ Papers

โš ๏ธ Note: To keep this README clean, the full paper list is shown below. You can also explore the papers section directly or contribute using the guidelines at the end.

๐Ÿ’ก Theory & Frameworks

  • Affective Computing in the Era of Large Language Models: A Survey from the NLP Perspective.
Yongqiang Li, Chao Wang, Haichao Li, Hongliang Zhan, Hongliang Yu, Lingfeng Qiu, Zhaoxu Li, Jiafei Hong, Xueliang Li. [abs], Arxiv 2024.08
  • Empathy and the Right to Be an Exception: What LLMs Can and Cannot Do.
Ryan M. Doody, Jesse M. S. Harris. [abs], Arxiv 2024.01
  • The Illusion of Empathy: How AI Chatbots Shape Conversation Perception.
Tingting Liu, Salvatore Giorgi, Ankit Aich, Allison Lahnala, Brenda Curtis, Lyle Ungar, Joao Sedoc. [abs], AAAI 2025
  • Language Models Predict Empathy Gaps Between Social In-groups and Out-groups.
Yu Hou, Hal Daumรฉ III, Rachel Rudinger. [pdf], NAACL 2025
  • Empathy Through Multimodality in Conversational Interfaces.
Mahyar Abbasian, Iman Azimi, Mohammad Feli, Amir M. Rahmani, Ramesh Jain. [abs], Arxiv 2024.05
  • SoulChat: Improving LLMs' Empathy, Listening, and Comfort Abilities.
Yirong Chen, Xiaofen Xing, Jingkai Lin, Huimin Zheng, Zhenyu Wang, Qi Liu, Xiangmin Xu. [abs], Findings of EMNLP 2023
  • CoMAE: A Multi-factor Hierarchical Framework for Empathetic Response Generation.
Chujie Zheng, Yong Liu, Wei Chen, Yongcai Leng, Minlie Huang. [abs], ACL 2021

๐Ÿ—ฃ๏ธ Empathetic Dialogue Systems

๐Ÿงช Generative Approaches for Empathetic Responses

  • Kardia-R1: Unleashing LLMs to Reason toward Understanding and Empathy for Emotional Support via Rubric-as-Judge Reinforcement Learning
Jiahao Yuan, Zhiqing Cui, Hanqing Wang, Yuansheng Gao, Yucheng Zhou, Usman Naseem.[abs],[code], Arxiv 2025
  • ReflectDiffu: Reflect between Emotion-intent Contagion and Mimicry for Empathetic Response Generation via a RL-Diffusion Framework.
Jiahao Yuan, Zixiang Di, Zhiqing Cui, Guisong Yang, Usman Naseem. [pdf], ACL 2025
  • Non-Emotion-Centric Empathetic Dialogue Generation.
Yuanxiang Huangfu, Peifeng Li, Yaxin Fan, Qiaoming Zhu. [pdf], COLING 2025
  • ECC: Synergizing Emotion, Cause and Commonsense for Empathetic Dialogue Generation.
Xu Wang, Bo Wang, Yihong Tang, Dongming Zhao, Jing Liu, Ruifang He, Yuexian Hou [pdf], COLING 2025
  • Cause-Aware Empathetic Response Generation via Chain-of-Thought Fine-Tuning.
Xinhao Chen, Chong Yang, Man Lan, Li Cai, Yang Chen, Tu Hu, Xinlin Zhuang, Aimin Zhou [abs], Arxiv 2024.08
  • EmPO: Emotion Grounding for Empathetic Response Generation through Preference Optimization.
Xufan Qian, Kai Chen, Min Yang, Ruifeng Xu. [abs], Arxiv 2024.06
  • Harnessing the Power of Large Language Models for Empathetic Response Generation.
Yushan Qian, Wei-Nan Zhang, Ting Liu. [abs], [code], Findings of EMNLP 2023
  • DiffusEmp: A Diffusion Model-Based Framework with Multi-Grained Control for Empathetic Response Generation.
Guanqun Bi, Lei Shen, Yanan Cao, Meng Chen, Yuqiang Xie, Zheng Lin, Xiaodong He. [abs], ACL 2023
  • InsideOut: Unifying Emotional LLMs to Foster Empathy.
Mikhail Mozikova, Nikita Severin, Maria Glushanina, Mikhail Baklashkin, Andrey Savchenko, Ilya Makarov. [pdf], ECAI 2024
  • SoulChat: Improving LLMs' Empathy, Listening, and Comfort Abilities.
Yirong Chen, Xiaofen Xing, Jingkai Lin, Huimin Zheng, Zhenyu Wang, Qi Liu, Xiangmin Xu. [abs], [code], Findings of EMNLP 2023
  • MIME: Mimicking Emotions for Empathetic Response Generation.
Navonil Majumder, Devamanyu Hazarika, Soujanya Poria, Rada Mihalcea, Erik Cambria. [pdf], [code], EMNLP 2020
  • CoMAE: A Multi-factor Hierarchical Framework.
Chujie Zheng, Yong Liu, Wei Chen, Yongcai Leng, Minlie Huang. [abs], Findings of ACL 2021
  • EmpDG: Multi-resolution Interactive Empathetic Dialogue Generation.
Qintong Li, Hongshen Chen, Zhaochun Ren, Pengjie Ren, Zhaopeng Tu, Zhumin Chen . [abs],[code] , COLING 2020

๐Ÿ“š Knowledge-Enhanced Empathetic Dialogue

  • Sibyl: Empowering Empathetic Dialogue Generation in Large Language Models via Sensible and Visionary Commonsense Inference.
Lanrui Wang, Jiangnan Li, Chenxu Yang, Zheng Lin, Hongyin Tang, Huan Liu, Yanan Cao, Jingang Wang, Weiping Wang. [pdf], [code], COLING 2025
  • TOOL-ED: Enhancing Empathetic Response Generation with the Tool Calling Capability of LLM.
Huiying Cao, Yiqun Zhang, Shi Feng, Xiaocui Yang, Daling Wang, Yifei Zhang. [pdf], COLING 2025
  • The Emotional Spectrum of LLMs: Leveraging Empathy and Emotion-Based Markers for Mental Health Support.
Alessandro De Grandi, Federico Ravenda, Andrea Raballo, Fabio Crestani. [abs], Arxiv 2024.12
  • Knowledge-enhanced Mixed-initiative Dialogue System for Emotional Support Conversations.
Yang Deng, Wenxuan Zhang, Yifei Yuan, Wai Lam [abs], [code], ACL 2023
  • CEM: Commonsense-aware Empathetic Response Generation.
Sahand Sabour, Chujie Zheng, Minlie Huang [abs], [code], AAAI 2022

๐ŸŽ›๏ธ Controllable & Personalized Empathy

  • Sibyl: Empowering Empathetic Dialogue Generation in Large Language Models via Sensible and Visionary Commonsense Inference.
Lanrui Wang, Jiangnan Li, Chenxu Yang, Zheng Lin, Hongyin Tang, Huan Liu, Yanan Cao, Jingang Wang, Weiping Wang. [pdf], ACL 2025
  • EmpCRL: Controllable Empathetic Response Generation via In-Context Reinforcement Learning.
Mingxiu Cai, Daling Wang, Shi Feng, Yifei Zhang. [pdf], IREC 2024
  • EmpHi: Generating Empathetic Responses with Human-like Intents.
Mao Yan Chen, Siheng Li, Yujiu Yang. [abs], NAACL 2022
  • CARE: Causality Reasoning for Empathetic Responses by Conditional Graph Generation.
Jiashuo Wang, Yi Cheng, Wenjie Li. [abs], Findings of EMNLP 2022
  • Improving Empathetic Response Generation by Recognizing Emotion Cause in Conversations.
Jun Gao, Yuhan Liu, Haolin Deng, Wei Wang, Yu Cao, Jiachen Du, Ruifeng Xu. [pdf], Findings of EMNLP 2021

๐Ÿง  Emotion & Empathy Understanding

๐ŸŽญ Emotion Recognition in Conversations (ERC)

  • DialogueMMT: Dialogue Scenes Understanding Enhanced Multi-modal Multi-task Tuning for Emotion Recognition in Conversations.
Chenyuan He, Senbin Zhu, Hongde Liu, Fei Gao, Yuxiang Jia, Hongying Zan, Min Peng. [pdf], COLING 2025
  • DialogueLLM: Context and Emotion Knowledge-Tuned Large Language Models for Emotion Recognition in Conversations.
Xingning Zhang, Wei-Nan Zhang, Chao Yang, Haotian Xu, Ting Liu. [pdf], NAACL 2024
  • Chinchunmei at WASSA 2024: Boosting LLM's Prediction with Role-play Augmentation and Contrastive Reasoning Calibration.
Tian Li, Nicolay Rusnachenko, Huizhi Liang. [pdf], WASSA 2024
  • Beyond Silent Letters: Amplifying LLMs in Emotion Recognition with Vocal Nuances.
Zehui Wu, Xiaochuan Li, Jiebo Luo. [pdf], NAACL 2025
  • LaERC-S: Improving LLM-based Emotion Recognition in Conversation with Speaker Characteristics.
Yanan Cao, Wei-Nan Zhang, Jingang Wang, Weiping Wang. [pdf], COLING 2025

๐Ÿงฉ Cognitive & Affective Empathy Modeling

  • APTNESS: Incorporating Appraisal Theory and Emotion Support Strategies for Empathetic Response Generation.
Yuxuan Hu, Minghuan Tan, Chenwei Zhang, Zixuan Li, Xiaodan Liang, Min Yang, Chengming Li, Xiping Hu [abs], CIKM 2024
  • CAB: Empathetic Dialogue Generation with Cognition, Affection and Behavior.
Hao Mei, Yanan Cao, Xin Li, Xiaodong Liu, Mengchen Zhao, Yuanjie Lu, Ruifeng Xu. [abs], [code], DASFAA 2023
  • MoEL: Mixture of Empathetic Listeners.
Zhaojiang Lin, Andrea Madotto, Genta Indra Winata, Pascale Fung. [pdf], [code], EMNLP 2019
  • Rational Sensibility: LLM Enhanced Empathetic Response Generation Guided by Self-presentation Theory.
Linzhuang Sun, Yao Dong, Nan Xu, Jingxuan Wei, Bihui Yu, Yin Luo. [pdf], Arxiv 2023.12
  • Chain of empathy: Enhancing empathetic response of large language models based on psychotherapy models.
Yoon Kyung Lee, Inju Lee, Minjung Shin, Seoyeon Bae, Sowon Hahn. [abs], Arxiv 2023.11

๐Ÿ“Š Evaluation & Benchmarking

  • Apathetic or Empathetic? Evaluating LLMs' Emotional Alignments with Humans.
Jen-tse Huang, Man Ho Lam, Eric John Li, Shujie Ren, Wenxuan Wang, Wenxiang Jiao, Zhaopeng Tu, Michael R. Lyu. [abs], NeurIPS 2024
  • EmotionQueen: A Benchmark for Evaluating Empathy of Large Language Models.
Yuyan Chen, Songzhou Yan, Sijia Liu, Yueze Li, Yanghua Xiao. [pdf], Findings of ACL 2024
  • CuLEmo: Cultural Lenses on Emotion โ€“ Benchmarking LLMs for Cross-Cultural Emotion Understanding.
Souvik Mandal, Sai Chetan R, Subham Mund, Utkarsh Srivastava, Rishita Tiwari, Anubhav Singh, Mitasur Aich, Sumit Agrawal. [abs], Arxiv 2025.03

๐ŸŒ Applications & Use Cases

  • Customizing Emotional Support: How Do Individuals Construct and Interact With LLM-Powered Chatbots.
Xi Zheng, Zhuoyang Li, Xinning Gui, Yuhan Luo. [pdf], Arxiv 2025.04
  • From Personas to Talks: Revisiting the Impact of Personas on LLM-Synthesized Emotional Support Conversations.
Zichang Lin, Ziyang Li, Wenji Mao, Kai Chen, Sijie Cheng. [abs], Arxiv 2025.02
  • From Traits to Empathy: Personality-Aware Multimodal Empathetic Response Generation.
Jiaqiang Wu, Xuandong Huang, Zhouan Zhu, Shangfei Wang. [pdf], COLING 2025

โš–๏ธ Ethics & Societal Impact

  • The Illusion of Empathy: How AI Chatbots Shape Conversation Perception.
Tingting Liu, Salvatore Giorgi, Ankit Aich, Allison Lahnala, Brenda Curtis, Lyle Ungar, Joao Sedoc. [pdf], AAAI 2025
  • Language Models Predict Empathy Gaps Between Social In-groups and Out-groups.
Yu Hou, Hal Daumรฉ III, Rachel Rudinger. [abs], NAACL 2025
  • Empathy and the Right to Be an Exception: What LLMs Can and Cannot Do.
Ryan M. Doody, Jesse M. S. Harris. [abs], Arxiv 2024.01

๐Ÿš€ Resources

๐Ÿ“‚ Datasets

  • Towards Empathetic Open-domain Conversation Models: a New Benchmark and Dataset.
Hannah Rashkin, Eric Michael Smith, Margaret Li, Y-Lan Boureau. [abs], [dataset], ACL 2019
  • PsyQA: A Chinese Dataset for Generating Long Counseling Text for Mental Health Support.
Hao Sun, Zhenru Lin, Chujie Zheng, Siyang Liu, Minlie Huang.* [pdf], Findings of ACL 2021
  • TOOL-ED: Enhancing Empathetic Response Generation with the Tool Calling Capability of LLM .
Huiying Cao, Yiqun Zhang, Shi Feng, Xiaocui Yang, Daling Wang, Yifei Zhang. abs], [code], COLING 2025
  • EmpathicStories++: A Multimodal Dataset for Empathy towards Personal Experiences.
Jocelyn Shen, Yubin Kim, Mohit Hulse, Wazeer Zulfikar, Sharifa Alghowinem, Cynthia Breazeal, Hae Won Park. [abs], [code], Finding of ACL 2024
  • STICKERCONV: Generating Multimodal Empathetic Responses from Scratch .
Yiqun Zhang, Fanheng Kong, Peidong Wang, Shuang Sun, Lingshuai Wang, Shi Feng, Daling Wang, Yifei Zhang, Kaisong Song. [abs],[code], ACL 2024
  • Kardia-R1: Unleashing LLMs to Reason toward Understanding and Empathy for Emotional Support via Rubric-as-Judge Reinforcement Learning
Jiahao Yuan, Zhiqing Cui, Hanqing Wang, Yuansheng Gao, Yucheng Zhou, Usman Naseem.[abs],[code], Arxiv 2025

๐Ÿ“š Surveys & Overviews

  • Affective Computing in the Era of Large Language Models: A Survey from the NLP Perspective.
Yiqun Zhang, Xiaocui Yang, Xingle Xu, Zeran Gao, Yijie Huang, Shiyi Mu, Shi Feng, Daling Wang, Yifei Zhang, Kaisong Song, Ge Yu. [abs], Arxiv 2024.08

๐ŸŽ‰ Contributing

โญ Help us grow this repository! If you know any valuable works weโ€™ve missed, donโ€™t hesitate to contribute โ€” every suggestion makes a difference!

We welcome and appreciate all contributions! Hereโ€™s how you can help:

  • ๐Ÿ“„ Add or Update a Paper
Contribute by adding a new paper or improving details of an existing one. Please consider the most appropriate category for the work.
  • โœ๏ธ Use Consistent Formatting
Follow the format of the existing entries to maintain clarity and consistency across the list.
  • ๐Ÿ”— Include Abstract Link
If the paper is from arXiv, use the /abs/ link format for the abstract (e.g., https://arxiv.org/abs/xxxx.xxxxx).
  • ๐Ÿ’ก Explain Your Edit (Optional but Helpful)
A short note on why you think the paper deserves to be added or updated is appreciated and helps maintainers process your PR faster.
โœ… Don't worry about getting everything perfect!
Minor mistakes are totally fine โ€” weโ€™ll help fix them. What matters most is your contribution. Let's highlight your awesome work together!

Contributors

Thanks to all our amazing contributors!


๐Ÿ™Œ Citation

If you're interested in empathetic dialogue, you're welcome to take a look at our recent paper โ€” and feel free to cite it if you find it useful:

@inproceedings{yuan2025reflectdiffu,
    title = "ReflectDiffu: Reflect between Emotion-intent Contagion and Mimicry for Empathetic Response Generation via a {RL}-Diffusion Framework",
    author={Yuan, Jiahao and Di, Zixiang and Cui, Zhiqing and Yang, Guisong and Naseem, Usman},
    booktitle = "Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)",
    pages = "25435--25449",
    year = "2025"
}

@article{yuan2025kardia, title={Kardia-R1: Unleashing LLMs to Reason toward Understanding and Empathy for Emotional Support via Rubric-as-Judge Reinforcement Learning}, author={Yuan, Jiahao and Cui, Zhiqing and Wang, Hanqing and Gao, Yuansheng and Zhou, Yucheng and Naseem, Usman}, journal={arXiv preprint arXiv:2512.01282}, year={2025} }


๐Ÿ“„ License

This project is licensed under the MIT License.

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