Safe RLHF-V: Safe Reinforcement Learning from Multi-modal Human Feedback

Fuente: arXiv
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Main Authors: Ji, Jiaming, Chen, Xinyu, Pan, Rui, Zhang, Conghui, Zhu, Han, Li, Jiahao, Hong, Donghai, Chen, Boyuan, Zhou, Jiayi, Wang, Kaile, Dai, Juntao, Chan, Chi-Min, Tang, Yida, Han, Sirui, Guo, Yike, Yang, Yaodong
Format: Preprint
Published: 2025
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author Ji, Jiaming
Chen, Xinyu
Pan, Rui
Zhang, Conghui
Zhu, Han
Li, Jiahao
Hong, Donghai
Chen, Boyuan
Zhou, Jiayi
Wang, Kaile
Dai, Juntao
Chan, Chi-Min
Tang, Yida
Han, Sirui
Guo, Yike
Yang, Yaodong
author_facet Ji, Jiaming
Chen, Xinyu
Pan, Rui
Zhang, Conghui
Zhu, Han
Li, Jiahao
Hong, Donghai
Chen, Boyuan
Zhou, Jiayi
Wang, Kaile
Dai, Juntao
Chan, Chi-Min
Tang, Yida
Han, Sirui
Guo, Yike
Yang, Yaodong
contents Multimodal large language models (MLLMs) are essential for building general-purpose AI assistants; however, they pose increasing safety risks. How can we ensure safety alignment of MLLMs to prevent undesired behaviors? Going further, it is critical to explore how to fine-tune MLLMs to preserve capabilities while meeting safety constraints. Fundamentally, this challenge can be formulated as a min-max optimization problem. However, existing datasets have not yet disentangled single preference signals into explicit safety constraints, hindering systematic investigation in this direction. Moreover, it remains an open question whether such constraints can be effectively incorporated into the optimization process for multi-modal models. In this work, we present the first exploration of the Safe RLHF-V -- the first multimodal safety alignment framework. The framework consists of: $\mathbf{(I)}$ BeaverTails-V, the first open-source dataset featuring dual preference annotations for helpfulness and safety, supplemented with multi-level safety labels (minor, moderate, severe); $\mathbf{(II)}$ Beaver-Guard-V, a multi-level guardrail system to proactively defend against unsafe queries and adversarial attacks. Applying the guard model over five rounds of filtering and regeneration significantly enhances the precursor model's overall safety by an average of 40.9%. $\mathbf{(III)}$ Based on dual preference, we initiate the first exploration of multi-modal safety alignment within a constrained optimization. Experimental results demonstrate that Safe RLHF effectively improves both model helpfulness and safety. Specifically, Safe RLHF-V enhances model safety by 34.2% and helpfulness by 34.3%.
format Preprint
id arxiv_https___arxiv_org_abs_2503_17682
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Safe RLHF-V: Safe Reinforcement Learning from Multi-modal Human Feedback
Ji, Jiaming
Chen, Xinyu
Pan, Rui
Zhang, Conghui
Zhu, Han
Li, Jiahao
Hong, Donghai
Chen, Boyuan
Zhou, Jiayi
Wang, Kaile
Dai, Juntao
Chan, Chi-Min
Tang, Yida
Han, Sirui
Guo, Yike
Yang, Yaodong
Machine Learning
Artificial Intelligence
Multimodal large language models (MLLMs) are essential for building general-purpose AI assistants; however, they pose increasing safety risks. How can we ensure safety alignment of MLLMs to prevent undesired behaviors? Going further, it is critical to explore how to fine-tune MLLMs to preserve capabilities while meeting safety constraints. Fundamentally, this challenge can be formulated as a min-max optimization problem. However, existing datasets have not yet disentangled single preference signals into explicit safety constraints, hindering systematic investigation in this direction. Moreover, it remains an open question whether such constraints can be effectively incorporated into the optimization process for multi-modal models. In this work, we present the first exploration of the Safe RLHF-V -- the first multimodal safety alignment framework. The framework consists of: $\mathbf{(I)}$ BeaverTails-V, the first open-source dataset featuring dual preference annotations for helpfulness and safety, supplemented with multi-level safety labels (minor, moderate, severe); $\mathbf{(II)}$ Beaver-Guard-V, a multi-level guardrail system to proactively defend against unsafe queries and adversarial attacks. Applying the guard model over five rounds of filtering and regeneration significantly enhances the precursor model's overall safety by an average of 40.9%. $\mathbf{(III)}$ Based on dual preference, we initiate the first exploration of multi-modal safety alignment within a constrained optimization. Experimental results demonstrate that Safe RLHF effectively improves both model helpfulness and safety. Specifically, Safe RLHF-V enhances model safety by 34.2% and helpfulness by 34.3%.
title Safe RLHF-V: Safe Reinforcement Learning from Multi-modal Human Feedback
topic Machine Learning
Artificial Intelligence
url https://arxiv.org/abs/2503.17682