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Related papers: A Layer-wise Analysis of Supervised Fine-Tuning

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Recent studies have shown that supervised fine-tuning of LLMs on a small number of high-quality datasets can yield strong reasoning capabilities. However, full fine-tuning (Full FT), while powerful, is computationally expensive and…

Machine Learning · Computer Science 2026-04-21 Zihang Liu , Tianyu Pang , Oleg Balabanov , Chaoqun Yang , Tianjin Huang , Lu Yin , Yaoqing Yang , Shiwei Liu

Fine-tuning is an important step in adapting foundation models such as large language models to downstream tasks. To make this step more accessible to users with limited computational budgets, it is crucial to develop fine-tuning methods…

Computation and Language · Computer Science 2025-07-28 Cen-Jhih Li , Aditya Bhaskara

Post-training has demonstrated its importance in enhancing the reasoning capabilities of large language models (LLMs). The primary post-training methods can be categorized into supervised fine-tuning (SFT) and reinforcement fine-tuning…

Machine Learning · Computer Science 2025-10-21 Mingyang Liu , Gabriele Farina , Asuman Ozdaglar

This paper presents a systematic overview of parameter-efficient fine-tuning methods, covering over 50 papers published between early 2019 and mid-2024. These methods aim to address the challenges of fine-tuning large language models by…

Computation and Language · Computer Science 2024-11-25 Vladislav Lialin , Vijeta Deshpande , Xiaowei Yao , Anna Rumshisky

Finetuning language models (LMs) is crucial for adapting the models to downstream data and tasks. However, full finetuning is usually costly. Existing work, such as parameter-efficient finetuning (PEFT), often focuses on \textit{how to…

Computation and Language · Computer Science 2025-06-03 Jian Gu , Aldeida Aleti , Chunyang Chen , Hongyu Zhang

Existing methods for fine-tuning sparse LLMs often suffer from resource-intensive requirements and high retraining costs. Additionally, many fine-tuning methods often rely on approximations or heuristic optimization strategies, which may…

Machine Learning · Computer Science 2024-02-21 Song Guo , Fan Wu , Lei Zhang , Xiawu Zheng , Shengchuan Zhang , Fei Chao , Yiyu Shi , Rongrong Ji

Supervised Fine-Tuning (SFT) is commonly used to train language models to imitate annotated responses for given instructions. In this paper, we propose Critique Fine-Tuning (CFT), a method more effective than SFT for reasoning tasks.…

Computation and Language · Computer Science 2025-04-01 Yubo Wang , Xiang Yue , Wenhu Chen

By pretraining on trillions of tokens, an LLM gains the capability of text generation. However, to enhance its utility and reduce potential harm, SFT and alignment are applied sequentially to the pretrained model. Because SFT and alignment…

Computation and Language · Computer Science 2026-05-11 Zhichao Wang , Bin Bi , Zixu Zhu , Xiangbo Mao , Jun Wang , Shiyu Wang , Cheng Wang , Dong Nie , Lingzi Hong

Supervised Fine-Tuning (SFT) is an effective method for adapting Large Language Models (LLMs) on downstream tasks. However, variability in training data can hinder a model's ability to generalize across domains. This paper studies the…

Computation and Language · Computer Science 2025-10-07 Davood Rafiei , Morgan Lindsay Heisler , Weiwei Zhang , Mohammadreza Pourreza , Yong Zhang

Supervised finetuning (SFT) on instruction datasets has played a crucial role in achieving the remarkable zero-shot generalization capabilities observed in modern large language models (LLMs). However, the annotation efforts required to…

Aligned LLMs are secure, capable of recognizing and refusing to answer malicious questions. However, the role of internal parameters in maintaining such security is not well understood yet, further these models can be vulnerable to security…

Cryptography and Security · Computer Science 2025-04-08 Shen Li , Liuyi Yao , Lan Zhang , Yaliang Li

Supervised fine-tuning (SFT) improves in-domain performance but can degrade out-of-domain (OOD) generalization. Prior work suggests that this degradation is related to changes in dominant singular subspaces of pretrained weight matrices.…

Machine Learning · Computer Science 2026-05-13 Hangzhan Jin , Tianwei Ni , Lu Li , Pierre-Luc Bacon , Mohammad Hamdaqa , Doina Precup

Engineering LLMs to accelerate life sciences research requires a robust alignment with biomedical knowledge. We observe that biomedical text exhibits a fundamentally different uncertainty structure from general text: dense low-confidence…

Alignment with human preference is a desired property of large language models (LLMs). Currently, the main alignment approach is based on reinforcement learning from human feedback (RLHF). Despite the effectiveness of RLHF, it is intricate…

Computation and Language · Computer Science 2024-04-16 Geyang Guo , Ranchi Zhao , Tianyi Tang , Wayne Xin Zhao , Ji-Rong Wen

While LLM-based TTS models exhibit zero-shot emotion and speaker cloning, their cloning fidelity and pronunciation clarity degrade on unseen domains. Fine-tuning is essential for adaptation, yet uniform approaches overlook specific…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-09 Tianrui Wang , Meng Ge , Cheng Gong , Chunyu Qiang , Haoyu Wang , Zikang Huang , Yu Jiang , Ye Ni , Yuheng Lu , Xiaobao Wang , Engsiong Chng , Xie Chen , Longbiao Wang , Jianwu Dang

The cosine similarity between a large language model's hidden activations before and after Supervised Fine-Tuning (SFT) remains very high. This, at first glance, suggests that SFT leaves the model's activation geometry largely undisturbed.…

Artificial Intelligence · Computer Science 2026-05-13 Ruhaan Chopra

As supervised fine-tuning (SFT) evolves from a lightweight post-training step into a compute-intensive phase rivaling mid-training in scale, data efficiency has become critical for aligning large language models (LLMs) under tight budgets.…

Computation and Language · Computer Science 2026-02-04 Shaobo Wang , Jiaming Wang , Jiajun Zhang , Cong Wang , Yue Min , Zichen Wen , Xingzhang Ren , Fei Huang , Huiqiang Jiang , Junyang Lin , Dayiheng Liu , Linfeng Zhang

Supervised Fine-Tuning (SFT) on domain-specific datasets is a common approach to adapt Large Language Models (LLMs) to specialized tasks but is often believed to degrade their general capabilities. In this work, we revisit this trade-off…

Post-training algorithms such as Supervised Fine-Tuning (SFT) and Reinforcement Fine-Tuning (RFT) are widely used to adapt (multimodal) large language models to downstream tasks. While effective at task adaptation, their impact on retaining…

Computation and Language · Computer Science 2026-03-06 Zhihao Zhang , Qiaole Dong , Qi Zhang , Jun Zhao , Enyu Zhou , Zhiheng Xi , Senjie Jin , Xiaoran Fan , Yuhao Zhou , Mingqi Wu , Yanwei Fu , Tao Ji , Tao Gui , Xuanjing Huang , Kai Chen

Harmful fine-tuning (HFT), performed directly on open-source LLMs or through Fine-tuning-as-a-Service, breaks safety alignment and poses significant threats. Existing methods aim to mitigate HFT risks by learning robust representation on…

Machine Learning · Computer Science 2025-08-13 Liang Chen , Xueting Han , Li Shen , Jing Bai , Kam-Fai Wong