ToBlend: Token-Level Blending With an Ensemble of LLMs to Attack AI-Generated Text Detection

• URL: http://arxiv.org/abs/2402.11167v2
• Date: Wed, 16 Oct 2024 15:40:51 GMT
• Title: ToBlend: Token-Level Blending With an Ensemble of LLMs to Attack AI-Generated Text Detection
• Authors: Fan Huang, Haewoon Kwak, Jisun An,
• Abstract summary: ToBlend is a novel token-level ensemble text generation method to challenge the robustness of current AI-content detection approaches. We find ToBlend significantly drops the performance of most mainstream AI-content detection methods.
• Score: 6.27025292177391
• License:
• Abstract: The robustness of AI-content detection models against sophisticated adversarial strategies, such as paraphrasing or word switching, is a rising concern in natural language generation (NLG) applications. This study proposes ToBlend, a novel token-level ensemble text generation method to challenge the robustness of current AI-content detection approaches by utilizing multiple sets of candidate generative large language models (LLMs). By randomly sampling token(s) from candidate LLMs sets, we find ToBlend significantly drops the performance of most mainstream AI-content detection methods. We evaluate the text quality produced under different ToBlend settings based on annotations from experienced human experts. We proposed a fine-tuned Llama3.1 model to distinguish the ToBlend generated text more accurately. Our findings underscore our proposed text generation approach's great potential in deceiving and improving detection models. Our datasets, codes, and annotations are open-sourced.

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