A Survey on Federated Fine-tuning of Large Language Models
Not on the map. Why?
Abstract (arXiv)
Large Language Models (LLMs) have demonstrated impressive success across various tasks. Integrating LLMs with Federated Learning (FL), a paradigm known as FedLLM, offers a promising avenue for collaborative model adaptation while preserving data privacy. This survey provides a systematic and comprehensive review of FedLLM. We begin by tracing the historical development of both LLMs and FL, summarizing relevant prior research to set the context. Subsequently, we delve into an in-depth analysis of the fundamental challenges inherent in deploying FedLLM. Addressing these challenges often requires efficient adaptation strategies; therefore, we conduct an extensive examination of existing Parameter-Efficient Fine-tuning (PEFT) methods and explore their applicability within the FL framework. To rigorously evaluate the performance of FedLLM, we undertake a thorough review of existing fine-tuning datasets and evaluation benchmarks. Furthermore, we discuss FedLLM's diverse real-world applications across multiple domains. Finally, we identify critical open challenges and outline promising research directions to foster future advancements in FedLLM. This survey aims to serve as a foundational resource for researchers and practitioners, offering valuable insights into the rapidly evolving landscape of federated fine-tuning for LLMs. It also establishes a roadmap for future innovations in privacy-preserving AI. We actively maintain a hrefhttps://github.com/Clin0212/Awesome-Federated-LLM-LearningGitHub repo to track cutting-edge advancements in this field.
Key facts. Cited by 24 papers in the map (data through 14 Oct 2026). First posted on arXiv 15 Mar 2025.
Builds on
0 of 0 references.
No references here yet.
Built on by
Citing papers per year: 2025: 7; 2026: 17.
24 papers.
Sort:
By area:
- 2026Long Context, Less Focus: A Scaling Gap in LLMs Revealed through Privacy and Personalizationcited by 5
- 2026Revisiting Backdoor Threat in Federated Instruction Tuning from a Signal Aggregation Perspectivecited by 5
- 2025Learning Like Humans: Resource-Efficient Federated Fine-Tuning through Cognitive Developmental Stagescited by 4
- 2025Converge Faster, Talk Less: Hessian-Informed Federated Zeroth-Order Optimizationcited by 3
- 2025Adaptive and Resource-efficient Agentic AI Systems for Mobile and Embedded Devices: A Surveycited by 2
- 2026Rethinking LoRA for Data Heterogeneous Federated Learning: Subspace and State Alignmentcited by 2
- 2026ProtegoFed: Backdoor-Free Federated Instruction Tuning with Interspersed Poisoned Datacited by 2
- 2025Simple Yet Effective: Extracting Private Data Across Clients in Federated Fine-Tuning of Large Language Modelscited by 1
- 2025FedCoT: Communication-Efficient Federated Reasoning Enhancement for Large Language Modelscited by 1
- 2026Stabilized Fine-Tuning with LoRA in Federated Learning: Mitigating the Side Effect of Client Size and Rank via the Scaling Factorcited by 1
- 2026EmbTracker: Traceable Black-box Watermarking for Federated Language Modelscited by 1
- 2026APPA: Adaptive Preference Pluralistic Alignment for Fair Federated RLHF of LLMscited by 1
12 more
- 2026Graph Representation Learning Augmented Model Manipulation on Federated Fine-Tuning of LLMscited by 1
- 2025FLAME: Towards Federated Fine-Tuning Large Language Models Through Adaptive SMoEcited by 0
- 2025BadPromptFL: A Novel Backdoor Threat to Prompt-based Federated Learning in Multimodal Modelscited by 0
- 2026Resource-Adaptive Federated Text Generation with Differential Privacycited by 0
- 2026FedAttr: Towards Privacy-preserving Client-Level Attribution in Federated LLM Fine-tuningcited by 0
- 2026PFAdapter: Hierarchical LoRA Decomposition for Personalized Federated MLLMscited by 0
- 2026FedChronos: Federated Fine-Tuning of Time-Series Foundation Models for Privacy-Preserving Commodity Price Forecastingcited by 0
- 2026Thermo-FL: Thermal-Aware Robust Federated Fine-Tuning of Large Language Models for Edge AIcited by 0
- 2026CIDERS: Cloud-Edge LLM Collaborative Learning via Accelerating Personalized Bilevel Optimizationcited by 0
- 2026CoEM: Empowering Long-Context Reasoning with Commit-on-Evidence Memorycited by 0
- 2026HO-FL: Hybrid-Order Federated Learning for Heterogeneous Edge Devicescited by 0
- 2026FedFit: Federated Fine-Tuning of LLMs via Vector-Bank Parameterization and Quantizationcited by 0
- 2026FedFit: Federated Fine-Tuning of LLMs via Vector-Bank Parameterization and Quantization1 Oct 2026
- 2026HO-FL: Hybrid-Order Federated Learning for Heterogeneous Edge Devices30 Sep 2026
- 2026CoEM: Empowering Long-Context Reasoning with Commit-on-Evidence Memory29 Sep 2026
- 2026CIDERS: Cloud-Edge LLM Collaborative Learning via Accelerating Personalized Bilevel Optimization14 Sep 2026
- 2026Thermo-FL: Thermal-Aware Robust Federated Fine-Tuning of Large Language Models for Edge AI21 Aug 2026
- 2026FedChronos: Federated Fine-Tuning of Time-Series Foundation Models for Privacy-Preserving Commodity Price Forecasting2 Aug 2026
- 2026PFAdapter: Hierarchical LoRA Decomposition for Personalized Federated MLLMs13 Jul 2026
- 2026Graph Representation Learning Augmented Model Manipulation on Federated Fine-Tuning of LLMs8 May 2026
- 2026FedAttr: Towards Privacy-preserving Client-Level Attribution in Federated LLM Fine-tuning7 May 2026
- 2026APPA: Adaptive Preference Pluralistic Alignment for Fair Federated RLHF of LLMs5 Apr 2026
- 2026EmbTracker: Traceable Black-box Watermarking for Federated Language Models12 Mar 2026
- 2026Stabilized Fine-Tuning with LoRA in Federated Learning: Mitigating the Side Effect of Client Size and Rank via the Scaling Factor9 Mar 2026
12 more
- 2026Resource-Adaptive Federated Text Generation with Differential Privacy7 Mar 2026
- 2026ProtegoFed: Backdoor-Free Federated Instruction Tuning with Interspersed Poisoned Data28 Feb 2026
- 2026Revisiting Backdoor Threat in Federated Instruction Tuning from a Signal Aggregation Perspective17 Feb 2026
- 2026Long Context, Less Focus: A Scaling Gap in LLMs Revealed through Privacy and Personalization16 Feb 2026
- 2026Rethinking LoRA for Data Heterogeneous Federated Learning: Subspace and State Alignment2 Feb 2026
- 2025Adaptive and Resource-efficient Agentic AI Systems for Mobile and Embedded Devices: A Survey30 Sep 2025
- 2025BadPromptFL: A Novel Backdoor Threat to Prompt-based Federated Learning in Multimodal Models11 Aug 2025
- 2025FedCoT: Communication-Efficient Federated Reasoning Enhancement for Large Language Models7 Aug 2025
- 2025Learning Like Humans: Resource-Efficient Federated Fine-Tuning through Cognitive Developmental Stages31 Jul 2025
- 2025FLAME: Towards Federated Fine-Tuning Large Language Models Through Adaptive SMoE19 Jun 2025
- 2025Simple Yet Effective: Extracting Private Data Across Clients in Federated Fine-Tuning of Large Language Models6 Jun 2025
- 2025Converge Faster, Talk Less: Hessian-Informed Federated Zeroth-Order Optimization3 Jun 2025
- 2026Revisiting Backdoor Threat in Federated Instruction Tuning from a Signal Aggregation Perspectivecited by 5
- 2026ProtegoFed: Backdoor-Free Federated Instruction Tuning with Interspersed Poisoned Datacited by 2
- 2026EmbTracker: Traceable Black-box Watermarking for Federated Language Modelscited by 1
- 2026FedAttr: Towards Privacy-preserving Client-Level Attribution in Federated LLM Fine-tuningcited by 0
- 2026FedAttr: Towards Privacy-preserving Client-Level Attribution in Federated LLM Fine-tuning7 May 2026
- 2026EmbTracker: Traceable Black-box Watermarking for Federated Language Models12 Mar 2026
- 2026ProtegoFed: Backdoor-Free Federated Instruction Tuning with Interspersed Poisoned Data28 Feb 2026
- 2026Revisiting Backdoor Threat in Federated Instruction Tuning from a Signal Aggregation Perspective17 Feb 2026
- 2026Long Context, Less Focus: A Scaling Gap in LLMs Revealed through Privacy and Personalizationcited by 5
- 2025Learning Like Humans: Resource-Efficient Federated Fine-Tuning through Cognitive Developmental Stagescited by 4
- 2025Converge Faster, Talk Less: Hessian-Informed Federated Zeroth-Order Optimizationcited by 3
- 2026Rethinking LoRA for Data Heterogeneous Federated Learning: Subspace and State Alignmentcited by 2
- 2025Simple Yet Effective: Extracting Private Data Across Clients in Federated Fine-Tuning of Large Language Modelscited by 1
- 2026Stabilized Fine-Tuning with LoRA in Federated Learning: Mitigating the Side Effect of Client Size and Rank via the Scaling Factorcited by 1
- 2026Graph Representation Learning Augmented Model Manipulation on Federated Fine-Tuning of LLMscited by 1
- 2026Resource-Adaptive Federated Text Generation with Differential Privacycited by 0
- 2026FedChronos: Federated Fine-Tuning of Time-Series Foundation Models for Privacy-Preserving Commodity Price Forecastingcited by 0
- 2026Thermo-FL: Thermal-Aware Robust Federated Fine-Tuning of Large Language Models for Edge AIcited by 0
- 2026CIDERS: Cloud-Edge LLM Collaborative Learning via Accelerating Personalized Bilevel Optimizationcited by 0
- 2026HO-FL: Hybrid-Order Federated Learning for Heterogeneous Edge Devicescited by 0
12 most cited of 13 All 13 (JSON)
- 2026FedFit: Federated Fine-Tuning of LLMs via Vector-Bank Parameterization and Quantization1 Oct 2026
- 2026HO-FL: Hybrid-Order Federated Learning for Heterogeneous Edge Devices30 Sep 2026
- 2026CIDERS: Cloud-Edge LLM Collaborative Learning via Accelerating Personalized Bilevel Optimization14 Sep 2026
- 2026Thermo-FL: Thermal-Aware Robust Federated Fine-Tuning of Large Language Models for Edge AI21 Aug 2026
- 2026FedChronos: Federated Fine-Tuning of Time-Series Foundation Models for Privacy-Preserving Commodity Price Forecasting2 Aug 2026
- 2026Graph Representation Learning Augmented Model Manipulation on Federated Fine-Tuning of LLMs8 May 2026
- 2026Stabilized Fine-Tuning with LoRA in Federated Learning: Mitigating the Side Effect of Client Size and Rank via the Scaling Factor9 Mar 2026
- 2026Resource-Adaptive Federated Text Generation with Differential Privacy7 Mar 2026
- 2026Long Context, Less Focus: A Scaling Gap in LLMs Revealed through Privacy and Personalization16 Feb 2026
- 2026Rethinking LoRA for Data Heterogeneous Federated Learning: Subspace and State Alignment2 Feb 2026
- 2025Learning Like Humans: Resource-Efficient Federated Fine-Tuning through Cognitive Developmental Stages31 Jul 2025
- 2025Simple Yet Effective: Extracting Private Data Across Clients in Federated Fine-Tuning of Large Language Models6 Jun 2025
12 newest of 13 All 13 (JSON)