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Large Language Models (LLMs) have achieved human-level fluency in text generation, making it difficult to distinguish between human-written and LLM-generated texts. This poses a growing risk of misuse of LLMs and demands the development of…

Computation and Language · Computer Science 2024-02-20 Ryuto Koike , Masahiro Kaneko , Naoaki Okazaki

Large language models (LLMs) present significant risks when used to generate non-factual content and spread disinformation at scale. Detecting such LLM-generated content is crucial, yet current detectors often struggle to generalize in…

Computation and Language · Computer Science 2025-02-18 Ran Li , Wei Hao , Weiliang Zhao , Junfeng Yang , Chengzhi Mao

While large language models (LLMs) exhibit significant utility across various domains, they simultaneously are susceptible to exploitation for unethical purposes, including academic misconduct and dissemination of misinformation.…

Computation and Language · Computer Science 2024-09-24 Navid Ayoobi , Lily Knab , Wen Cheng , David Pantoja , Hamidreza Alikhani , Sylvain Flamant , Jin Kim , Arjun Mukherjee

The increasing difficulty to distinguish language-model-generated from human-written text has led to the development of detectors of machine-generated text (MGT). However, in many contexts, a black-box prediction is not sufficient, it is…

Machine Learning · Computer Science 2026-01-21 Loris Schoenegger , Yuxi Xia , Benjamin Roth

An ideal detection system for machine generated content is supposed to work well on any generator as many more advanced LLMs come into existence day by day. Existing systems often struggle with accurately identifying AI-generated content…

In the present-day scenario, Large Language Models (LLMs) are establishing their presence as powerful instruments permeating various sectors of society. While their utility offers valuable support to individuals, there are multiple concerns…

Computation and Language · Computer Science 2025-07-01 Badr Youbi Idrissi , Monica Millunzi , Amelia Sorrenti , Lorenzo Baraldi , Daryna Dementieva

The rise of LLMs (Large Language Models) has contributed to the improved performance and development of cutting-edge NLP applications. However, these can also pose risks when used maliciously, such as spreading fake news, harmful content,…

Computation and Language · Computer Science 2025-02-18 Lucía Yan Wu , Isabel Segura-Bedmar

The widespread adoption of ChatGPT has raised concerns about its misuse, highlighting the need for robust detection of AI-generated text. Current word-level detectors are vulnerable to paraphrasing or simple prompts (PSP), suffer from…

Computation and Language · Computer Science 2025-09-24 Mo Mu , Dianqiao Lei , Chang Li

Recent advances in large language models (LLMs) and the intensifying popularity of ChatGPT-like applications have blurred the boundary of high-quality text generation between humans and machines. However, in addition to the anticipated…

Computation and Language · Computer Science 2023-10-25 Xiaomeng Hu , Pin-Yu Chen , Tsung-Yi Ho

The advent of instruction-tuned language models that convincingly mimic human writing poses a significant risk of abuse. However, such abuse may be counteracted with the ability to detect whether a piece of text was composed by a language…

Computation and Language · Computer Science 2024-05-09 Rafael Rivera Soto , Kailin Koch , Aleem Khan , Barry Chen , Marcus Bishop , Nicholas Andrews

Recently, researchers have made considerable improvements in dialogue systems with the progress of large language models (LLMs) such as ChatGPT and GPT-4. These LLM-based chatbots encode the potential biases while retaining disparities that…

Computation and Language · Computer Science 2023-10-18 Hsuan Su , Cheng-Chu Cheng , Hua Farn , Shachi H Kumar , Saurav Sahay , Shang-Tse Chen , Hung-yi Lee

We study the problem of determining whether a piece of text has been authored by a human or by a large language model (LLM). Existing state of the art logits-based detectors make use of statistics derived from the log-probability of the…

Computation and Language · Computer Science 2026-02-03 Hongyi Zhou , Jin Zhu , Pingfan Su , Kai Ye , Ying Yang , Shakeel A O B Gavioli-Akilagun , Chengchun Shi

Existing methods for the zero-shot detection of machine-generated text are dominated by three statistical quantities: log-likelihood, log-rank, and entropy. As language models mimic the distribution of human text ever closer, this will…

Computation and Language · Computer Science 2025-03-27 Tom Kempton , Stuart Burrell , Connor Cheverall

In the age of large language models (LLMs) and the widespread adoption of AI-driven content creation, the landscape of information dissemination has witnessed a paradigm shift. With the proliferation of both human-written and…

Computation and Language · Computer Science 2024-04-16 Jinyan Su , Claire Cardie , Preslav Nakov

The rapid advancement of large language models (LLMs) has made machine-generated text increasingly difficult to distinguish from human-written text. While recent studies explore leveraging internal representations of language models to…

Applications · Statistics 2026-05-14 Luxu Liang , Xiang Li

Large Language Models (LLMs) have demonstrated a powerful ability for text generation. However, achieving optimal results with a given prompt or instruction can be challenging, especially for billion-sized models. Additionally, undesired…

Computation and Language · Computer Science 2024-10-07 Lifu Tu , Semih Yavuz , Jin Qu , Jiacheng Xu , Rui Meng , Caiming Xiong , Yingbo Zhou

The large language models (LLMs) are able to generate high-quality texts in multiple languages. Such texts are often not recognizable by humans as generated, and therefore present a potential of LLMs for misuse (e.g., plagiarism, spams,…

Computation and Language · Computer Science 2025-09-25 Dominik Macko

Large language models (LLMs) such as ChatGPT are increasingly being used for various use cases, including text content generation at scale. Although detection methods for such AI-generated text exist already, we investigate ChatGPT's…

Computation and Language · Computer Science 2023-08-21 Amrita Bhattacharjee , Huan Liu

Large language models (LLMs) have demonstrated remarkable capabilities in generating high-quality texts across diverse domains. However, the potential misuse of LLMs has raised significant concerns, underscoring the urgent need for reliable…

Computation and Language · Computer Science 2024-10-10 Yihuai Xu , Yongwei Wang , Yifei Bi , Huangsen Cao , Zhouhan Lin , Yu Zhao , Fei Wu

ChatGPT is one of the most popular language models which achieve amazing performance on various natural language tasks. Consequently, there is also an urgent need to detect the texts generated ChatGPT from human written. One of the…

Computation and Language · Computer Science 2023-10-04 Han Xu , Jie Ren , Pengfei He , Shenglai Zeng , Yingqian Cui , Amy Liu , Hui Liu , Jiliang Tang
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