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Reinforcement learning with human feedback (RLHF), which learns a reward model from human preference data and then optimizes a policy to favor preferred responses, has emerged as a central paradigm for aligning large language models (LLMs)…

机器学习 · 统计学 2025-09-29 Gen Li , Yuling Yan

In light of the challenges and costs of real-world testing, autonomous vehicle developers often rely on testing in simulation for the creation of reliable systems. A key element of effective simulation is the incorporation of realistic…

人工智能 · 计算机科学 2023-09-06 Yulong Cao , Boris Ivanovic , Chaowei Xiao , Marco Pavone

Large Language Models (LLMs) have made substantial strides in structured tasks through Reinforcement Learning (RL), demonstrating proficiency in mathematical reasoning and code generation. However, applying RL in broader domains like…

计算与语言 · 计算机科学 2025-02-10 Hao Sun , Yunyi Shen , Jean-Francois Ton , Mihaela van der Schaar

ChatGLM is a free-to-use AI service powered by the ChatGLM family of large language models (LLMs). In this paper, we present the ChatGLM-RLHF pipeline -- a reinforcement learning from human feedback (RLHF) system -- designed to enhance…

Large Language Models (LLMs) aligned using Reinforcement Learning from Human Feedback (RLHF) have shown remarkable generation abilities in numerous tasks. However, collecting high-quality human preferences creates costly bottlenecks in…

机器学习 · 计算机科学 2025-06-10 Nirjhar Das , Souradip Chakraborty , Aldo Pacchiano , Sayak Ray Chowdhury

Learning from human feedback is a prominent technique to align the output of large language models (LLMs) with human expectations. Reinforcement learning from human feedback (RLHF) leverages human preference signals that are in the form of…

计算与语言 · 计算机科学 2023-11-27 Di Jin , Shikib Mehri , Devamanyu Hazarika , Aishwarya Padmakumar , Sungjin Lee , Yang Liu , Mahdi Namazifar

We study the problem of reinforcement learning from human feedback (RLHF), a critical problem in training large language models, from a theoretical perspective. Our main contribution is the design of novel sample-efficient RLHF algorithms…

机器学习 · 计算机科学 2025-08-11 Han Qi , Haochen Yang , Qiaosheng Zhang , Zhuoran Yang

Learning from human preferences is a cornerstone of aligning machine learning models with subjective human judgments. Yet, collecting such preference data is often costly and time-consuming, motivating the need for more efficient learning…

机器学习 · 计算机科学 2025-11-07 Matteo Cercola , Valeria Capretti , Simone Formentin

The development of Large Language Models (LLMs) often confronts challenges stemming from the heavy reliance on human annotators in the reinforcement learning with human feedback (RLHF) framework, or the frequent and costly external queries…

计算与语言 · 计算机科学 2025-03-04 Shangding Gu , Alois Knoll , Ming Jin

Reinforcement Learning from Human Feedback (RLHF) has become a popular approach to align language models (LMs) with human preferences. This method involves collecting a large dataset of human pairwise preferences across various text…

Learning from human feedback has shown success in aligning large, pretrained models with human values. Prior works have mostly focused on learning from high-level labels, such as preferences between pairs of model outputs. On the other…

计算与语言 · 计算机科学 2024-05-24 Amber Xie , Chin-Yi Cheng , Forrest Huang , Yang Li

Evaluating the capability of Large Language Models (LLMs) in following instructions has heavily relied on a powerful LLM as the judge, introducing unresolved biases that deviate the judgments from human judges. In this work, we reevaluate…

计算与语言 · 计算机科学 2025-03-26 Xinxi Lyu , Yizhong Wang , Hannaneh Hajishirzi , Pradeep Dasigi

Reinforcement learning from human feedback (RLHF) has become a powerful post-training paradigm for aligning large language models with human preferences. A core challenge in RLHF is constructing accurate reward signals, where the…

机器学习 · 计算机科学 2025-05-23 Ilgee Hong , Changlong Yu , Liang Qiu , Weixiang Yan , Zhenghao Xu , Haoming Jiang , Qingru Zhang , Qin Lu , Xin Liu , Chao Zhang , Tuo Zhao

Reinforcement learning from human feedback (RLHF) has been an effective technique for aligning AI systems with human values, with remarkable successes in fine-tuning large-language models recently. Most existing RLHF paradigms make the…

人工智能 · 计算机科学 2024-05-28 Chanwoo Park , Mingyang Liu , Dingwen Kong , Kaiqing Zhang , Asuman Ozdaglar

Reinforcement learning from human feedback (RLHF) has emerged as the primary method for aligning large language models (LLMs) with human preferences. The RLHF process typically starts by training a reward model (RM) using human preference…

机器学习 · 计算机科学 2024-06-19 Haoxiang Wang , Wei Xiong , Tengyang Xie , Han Zhao , Tong Zhang

Retrieval-Augmented Generation (RAG) integrates non-parametric knowledge into Large Language Models (LLMs), typically from unstructured texts and structured graphs. While recent progress has advanced text-based RAG to multi-turn reasoning…

计算与语言 · 计算机科学 2025-12-11 Yucan Guo , Miao Su , Saiping Guan , Zihao Sun , Xiaolong Jin , Jiafeng Guo , Xueqi Cheng

Reinforcement learning (RL) has emerged as an effective post-training paradigm for enhancing the reasoning capabilities of multimodal large language model (MLLM). However, current RL pipelines often suffer from training inefficiencies…

机器学习 · 计算机科学 2026-03-04 Linghao Zhu , Yiran Guan , Dingkang Liang , Jianzhong Ju , Zhenbo Luo , Bin Qin , Jian Luan , Yuliang Liu , Xiang Bai

Speculative decoding has emerged as a widely adopted paradigm for accelerating large language model inference, where a lightweight draft model rapidly generates candidate tokens that are then verified in parallel by a larger target model.…

机器学习 · 计算机科学 2026-03-16 Yu-Yang Qian , Hao-Cong Wu , Yichao Fu , Hao Zhang , Peng Zhao

Autoregressive decoding inherently limits the inference throughput of Large Language Model (LLM) due to its sequential dependency. Speculative decoding mitigates this by verifying multiple predicted tokens in parallel, but its efficiency…

计算与语言 · 计算机科学 2025-10-27 Siran Liu , Yang Ye , Qianchao Zhu , Zane Cao , Yongchao He

Generative Large Language Models (LLMs) based on the Transformer architecture have recently emerged as a dominant foundation model for a wide range of Natural Language Processing tasks. Nevertheless, their application in real-time scenarios…

计算与语言 · 计算机科学 2024-01-04 Coleman Hooper , Sehoon Kim , Hiva Mohammadzadeh , Hasan Genc , Kurt Keutzer , Amir Gholami , Sophia Shao