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This paper studies the alignment process of generative models with Reinforcement Learning from Human Feedback (RLHF). We first identify the primary challenges of existing popular methods like offline PPO and offline DPO as lacking in…

机器学习 · 计算机科学 2024-05-02 Wei Xiong , Hanze Dong , Chenlu Ye , Ziqi Wang , Han Zhong , Heng Ji , Nan Jiang , Tong Zhang

We investigate Reinforcement Learning from Human Feedback (RLHF) in the context of a general preference oracle. In particular, we do not assume the existence of a reward function and an oracle preference signal drawn from the Bradley-Terry…

机器学习 · 计算机科学 2024-11-13 Chenlu Ye , Wei Xiong , Yuheng Zhang , Hanze Dong , Nan Jiang , Tong Zhang

Aligning large language models (LLMs) with human preferences is a critical challenge in AI research. While methods like Reinforcement Learning from Human Feedback (RLHF) and Direct Preference Optimization (DPO) are widely used, they often…

计算与语言 · 计算机科学 2026-05-19 Xuan Qi , Rongwu Xu , Zhijing Jin

We address the challenge of online Reinforcement Learning from Human Feedback (RLHF) with a focus on self-rewarding alignment methods. In online RLHF, obtaining feedback requires interaction with the environment, which can be costly when…

人工智能 · 计算机科学 2024-10-15 Ruijie Xu , Zhihan Liu , Yongfei Liu , Shipeng Yan , Zhaoran Wang , Zhi Zhang , Xuming He

Reinforcement Learning from Human Feedback (RLHF) is currently the leading approach for aligning large language models with human preferences. Typically, these models rely on extensive offline preference datasets for training. However,…

机器学习 · 计算机科学 2024-12-17 Avinandan Bose , Zhihan Xiong , Aadirupa Saha , Simon Shaolei Du , Maryam Fazel

Reinforcement learning from human feedback (RLHF) has demonstrated great promise in aligning large language models (LLMs) with human preference. Depending on the availability of preference data, both online and offline RLHF are active areas…

机器学习 · 计算机科学 2025-02-20 Shicong Cen , Jincheng Mei , Katayoon Goshvadi , Hanjun Dai , Tong Yang , Sherry Yang , Dale Schuurmans , Yuejie Chi , Bo Dai

Reinforcement learning from human feedback (RLHF) is a promising solution to align large language models (LLMs) more closely with human values. Off-policy preference optimization, where the preference data is obtained from other models, is…

Reinforcement learning from human feedback (RLHF) has emerged as a powerful technique to make large language models (LLMs) easier to use and more effective. A core piece of the RLHF process is the training and utilization of a model of…

计算机与社会 · 计算机科学 2023-11-29 Nathan Lambert , Thomas Krendl Gilbert , Tom Zick

Reinforcement Learning from Human Feedback (RLHF) has become a pivotal paradigm in artificial intelligence to align large models with human preferences. In this paper, we propose a novel statistical framework to simultaneously conduct the…

机器学习 · 统计学 2026-05-01 Nan Lu , Ethan Lee , Ethan X. Fang , Junwei Lu

Reinforcement learning from human feedback (RLHF) has emerged as a key technique for aligning the output of large language models (LLMs) with human preferences. To learn the reward function, most existing RLHF algorithms use the…

机器学习 · 统计学 2026-02-11 Kai Ye , Hongyi Zhou , Jin Zhu , Francesco Quinzan , Chengchun Shi

We introduce a new benchmark for reward models that quantifies their ability to produce strong language models through RLHF (Reinforcement Learning from Human Feedback). The gold-standard approach is to run a full RLHF training pipeline and…

Reinforcement Learning from Human Feedback (RLHF) is an effective approach for aligning language models to human preferences. Central to RLHF is learning a reward function for scoring human preferences. Two main approaches for learning a…

Reinforcement Learning from Human Feedback (RLHF) facilitates the alignment of large language models (LLMs) with human preferences, thereby enhancing the quality of responses generated. A critical component of RLHF is the reward model,…

人工智能 · 计算机科学 2024-06-25 Yulan Hu , Qingyang Li , Sheng Ouyang , Ge Chen , Kaihui Chen , Lijun Mei , Xucheng Ye , Fuzheng Zhang , Yong Liu

Reinforcement Learning from Human Feedback (RLHF) has shown great potential in fine-tuning Large Language Models (LLMs) to align with human preferences. Existing methods perform preference alignment from a fixed dataset, which can be…

机器学习 · 计算机科学 2025-02-10 Chenjia Bai , Yang Zhang , Shuang Qiu , Qiaosheng Zhang , Kang Xu , Xuelong Li

Reinforcement learning from human feedback (RLHF) has evolved to be one of the main methods for fine-tuning large language models (LLMs). However, existing RLHF methods are non-robust, and their performance deteriorates if the downstream…

机器学习 · 计算机科学 2025-03-04 Debmalya Mandal , Paulius Sasnauskas , Goran Radanovic

Reinforcement learning from human feedback (RLHF) plays a crucial role in aligning language models with human preferences. While the significance of dataset quality is generally recognized, explicit investigations into its impact within the…

机器学习 · 计算机科学 2024-12-04 Tetsuro Morimura , Mitsuki Sakamoto , Yuu Jinnai , Kenshi Abe , Kaito Ariu

Reinforcement Learning from Human Feedback (RLHF) is a widely used framework for the training of language models. However, the process of using RLHF to develop a language model that is well-aligned presents challenges, especially when it…

计算与语言 · 计算机科学 2024-04-09 Bowen Qin , Duanyu Feng , Xi Yang

Reinforcement learning with human feedback~(RLHF) is critical for aligning Large Language Models (LLMs) with human preference. Compared to the widely studied offline version of RLHF, \emph{e.g.} direct preference optimization (DPO), recent…

Online reinforcement learning from human feedback (RLHF) has emerged as a promising paradigm for aligning large language models (LLMs) by continuously collecting new preference feedback during training. A foundational challenge in this…

机器学习 · 计算机科学 2026-05-07 Zhen-Yu Zhang , Yuting Tang , Jiandong Zhang , Lanjihong Ma , Masashi Sugiyama

Learning from preference-based feedback has recently gained considerable traction as a promising approach to align generative models with human interests. Instead of relying on numerical rewards, the generative models are trained using…

机器学习 · 计算机科学 2023-10-31 Sayak Ray Chowdhury , Xingyu Zhou , Nagarajan Natarajan