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Large Language Models (LLMs) are susceptible to adversarial attacks such as jailbreaking, which can elicit harmful or unsafe behaviors. This vulnerability is exacerbated in multilingual settings, where multilingual safety-aligned data is…

Computation and Language · Computer Science 2025-09-29 Yahan Yang , Soham Dan , Shuo Li , Dan Roth , Insup Lee

As large language models (LLMs) become more capable and widely used, ensuring the safety of their outputs is increasingly critical. Existing guardrail models, though useful in static evaluation settings, face two major limitations in…

As Large Language Models (LLMs) are increasingly deployed in cross-linguistic contexts, ensuring safety in diverse regulatory and cultural environments has become a critical challenge. However, existing multilingual benchmarks largely rely…

Computation and Language · Computer Science 2026-05-04 Yunhan Zhao , Zhaorun Chen , Xingjun Ma , Yu-Gang Jiang , Bo Li

The trend towards large language models (LLMs) for guardrailing against undesired behaviors is increasing and has shown promise for censoring user inputs. However, increased latency, memory consumption, hosting expenses and non-structured…

Computation and Language · Computer Science 2025-04-30 James O' Neill , Santhosh Subramanian , Eric Lin , Vaikkunth Mugunthan

With the ubiquity of Large Language Models (LLMs), guardrails have become crucial to detect and defend against toxic content. However, with the increasing pervasiveness of LLMs in multilingual scenarios, their effectiveness in handling…

Computation and Language · Computer Science 2024-10-30 Yahan Yang , Soham Dan , Dan Roth , Insup Lee

We introduce a lightweight yet highly effective safety guardrail framework for language models, demonstrating that small-scale language models can achieve, and even surpass, the performance of larger counterparts in content moderation…

Machine Learning · Computer Science 2025-07-14 Aleksei Ilin , Gor Matevosyan , Xueying Ma , Vladimir Eremin , Suhaa Dada , Muqun Li , Riyaaz Shaik , Haluk Noyan Tokgozoglu

Large Language Models (LLMs) have rapidly become integral to numerous applications in critical domains where reliability is paramount. Despite significant advances in safety frameworks and guardrails, current protective measures exhibit…

Cryptography and Security · Computer Science 2025-04-15 Bibek Upadhayay , Vahid Behzadan , Ph. D

Safety guardrails have become an active area of research in AI safety, aimed at ensuring the appropriate behavior of large language models (LLMs). However, existing research lacks consideration of nuances across linguistic and cultural…

Cryptography and Security · Computer Science 2026-04-21 Hua-Rong Chu , Kuan-Chun Wang , Yao-Te Huang

As Large Language Models (LLMs) become more integrated into our daily lives, it is crucial to identify and mitigate their risks, especially when the risks can have profound impacts on human users and societies. Guardrails, which filter the…

Computation and Language · Computer Science 2024-05-30 Yi Dong , Ronghui Mu , Gaojie Jin , Yi Qi , Jinwei Hu , Xingyu Zhao , Jie Meng , Wenjie Ruan , Xiaowei Huang

With the increasing adoption of large language models (LLMs), ensuring the safety of LLM systems has become a pressing concern. External LLM-based guardrail models have emerged as a popular solution to screen unsafe inputs and outputs, but…

Computation and Language · Computer Science 2025-10-08 Yining She , Daniel W. Peterson , Marianne Menglin Liu , Vikas Upadhyay , Mohammad Hossein Chaghazardi , Eunsuk Kang , Dan Roth

In the burgeoning field of Large Language Models (LLMs), developing a robust safety mechanism, colloquially known as "safeguards" or "guardrails", has become imperative to ensure the ethical use of LLMs within prescribed boundaries. This…

Cryptography and Security · Computer Science 2024-06-06 Yi Dong , Ronghui Mu , Yanghao Zhang , Siqi Sun , Tianle Zhang , Changshun Wu , Gaojie Jin , Yi Qi , Jinwei Hu , Jie Meng , Saddek Bensalem , Xiaowei Huang

As large language models (LLMs) are increasingly integrated into real-world applications, ensuring their safety, robustness, and privacy compliance has become critical. We present OpenGuardrails, the first fully open-source platform that…

Cryptography and Security · Computer Science 2025-10-30 Thomas Wang , Haowen Li

Safety alignment is critical for LLM-powered systems. While recent LLM-powered guardrail approaches such as LlamaGuard achieve high detection accuracy of unsafe inputs written in English (e.g., ``How to create a bomb?''), they struggle with…

Computation and Language · Computer Science 2025-07-18 Wenliang Shan , Michael Fu , Rui Yang , Chakkrit Tantithamthavorn

As LLMs become increasingly prevalent across various applications, it is critical to establish safety guardrails to moderate input/output content of LLMs. Existing guardrail models treat various safety categories independently and fail to…

Artificial Intelligence · Computer Science 2024-07-09 Mintong Kang , Bo Li

As LLMs become widespread across diverse applications, concerns about the security and safety of LLM interactions have intensified. Numerous guardrail models and benchmarks have been developed to ensure LLM content safety. However, existing…

Cryptography and Security · Computer Science 2026-02-13 Mintong Kang , Zhaorun Chen , Chejian Xu , Jiawei Zhang , Chengquan Guo , Minzhou Pan , Ivan Revilla , Yu Sun , Bo Li

Multimodal large language models (MLLMs) have revolutionized vision-language understanding but remain vulnerable to multimodal jailbreak attacks, where adversarial inputs are meticulously crafted to elicit harmful or inappropriate…

Computation and Language · Computer Science 2025-02-03 Sejoon Oh , Yiqiao Jin , Megha Sharma , Donghyun Kim , Eric Ma , Gaurav Verma , Srijan Kumar

Large language models (LLMs) have convincing performance in a variety of downstream tasks. However, these systems are prone to generating undesirable outputs such as harmful and biased text. In order to remedy such generations, the…

Computation and Language · Computer Science 2025-08-08 Manish Nagireddy , Inkit Padhi , Soumya Ghosh , Prasanna Sattigeri

In recent years, safety risks associated with large language models have become increasingly prominent, highlighting the urgent need to mitigate the generation of toxic and harmful content. The mainstream paradigm for LLM safety alignment…

Machine Learning · Computer Science 2026-02-02 Zhewen Tan , Wenhan Yu , Jianfeng Si , Tongxin Liu , Kaiqi Guan , Huiyan Jin , Jiawen Tao , Xiaokun Yuan , Duohe Ma , Xiangzheng Zhang , Tong Yang , Lin Sun

Ensuring the safety of large language models (LLMs) is critical as they are deployed in real-world applications. Existing guardrails rely on rule-based filtering or single-pass classification, limiting their ability to handle nuanced safety…

Computation and Language · Computer Science 2025-05-29 Xiaofei Wen , Wenxuan Zhou , Wenjie Jacky Mo , Muhao Chen

Large language models (LLMs) are useful tools with the capacity for performing specific types of knowledge work at an effective scale. However, LLM deployments in high-risk and safety-critical domains pose unique challenges, notably the…

Computation and Language · Computer Science 2024-09-05 Joe B Hakim , Jeffery L Painter , Darmendra Ramcharran , Vijay Kara , Greg Powell , Paulina Sobczak , Chiho Sato , Andrew Bate , Andrew Beam
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