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Related papers: LLM Benchmark Datasets Should Be Contamination-Res…

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The pursuit of leaderboard rankings in Large Language Models (LLMs) has created a fundamental paradox: models excel at standardized tests while failing to demonstrate genuine language understanding and adaptability. Our systematic analysis…

Computation and Language · Computer Science 2024-12-06 Sourav Banerjee , Ayushi Agarwal , Eishkaran Singh

Large language models (LLMs) have demonstrated great performance across various benchmarks, showing potential as general-purpose task solvers. However, as LLMs are typically trained on vast amounts of data, a significant concern in their…

Computation and Language · Computer Science 2025-05-13 Yujuan Fu , Ozlem Uzuner , Meliha Yetisgen , Fei Xia

Large language models are widespread, with their performance on benchmarks frequently guiding user preferences for one model over another. However, the vast amount of data these models are trained on can inadvertently lead to contamination…

Machine Learning · Computer Science 2024-02-13 Jasper Dekoninck , Mark Niklas Müller , Maximilian Baader , Marc Fischer , Martin Vechev

The rapid evolution of code largelanguage models underscores the need for effective and transparent benchmarking of their reasoning capabilities. However, the current benchmarking approach heavily depends on publicly available,…

Software Engineering · Computer Science 2025-06-05 Simin Chen , Pranav Pusarla , Baishakhi Ray

Data contamination poses a significant challenge to the fairness of LLM evaluations in natural language processing tasks by inadvertently exposing models to test data during training. Current studies attempt to mitigate this issue by…

Computation and Language · Computer Science 2025-11-25 Jingqian Zhao , Bingbing Wang , Geng Tu , Yice Zhang , Qianlong Wang , Bin Liang , Jing Li , Ruifeng Xu

Data contamination undermines the validity of Large Language Model evaluation by enabling models to rely on memorized benchmark content rather than true generalization. While prior work has proposed contamination detection methods, these…

Computation and Language · Computer Science 2026-01-22 Chaymaa Abbas , Nour Shamaa , Mariette Awad

When deploying large language models (LLMs), it is important to ensure that these models are not only capable, but also reliable. Many benchmarks have been created to track LLMs' growing capabilities, however there has been no similar focus…

Machine Learning · Computer Science 2025-02-06 Joshua Vendrow , Edward Vendrow , Sara Beery , Aleksander Madry

In this paper, we ask the research question of whether all the datasets in the benchmark are necessary. We approach this by first characterizing the distinguishability of datasets when comparing different systems. Experiments on 9 datasets…

Computation and Language · Computer Science 2022-05-05 Yang Xiao , Jinlan Fu , See-Kiong Ng , Pengfei Liu

Data contamination in model evaluation is getting increasingly prevalent as the massive training corpora of large language models often unintentionally include benchmark samples. Therefore, contamination analysis has became an inevitable…

Computation and Language · Computer Science 2023-09-28 Yucheng Li

Recent claims of strong performance by Large Language Models (LLMs) on causal discovery are undermined by a key flaw: many evaluations rely on benchmarks likely included in pretraining corpora. Thus, apparent success suggests that LLM-only…

Synthetic data has become essential for training foundation models, yet benchmark contamination threatens evaluation integrity. Although existing detection methods identify token-level overlap, they fail to detect semantic-level…

Machine Learning · Computer Science 2025-11-25 Sushant Mehta

Large language models (LLMs) are commonly evaluated on challenging benchmarks such as AIME and Math500, where benchmark contamination can make memorized solutions appear as genuine reasoning. Existing detection methods largely rely on…

Computation and Language · Computer Science 2026-05-12 Zirui He , Haiyan Zhao , Yingcong Li , Ali Payani , Mengnan du

Multimodal Large Language Models (MLLMs) show impressive vision-language benchmark performance, yet growing concerns about data contamination (test set exposure during training) risk masking true generalization. This concern extends to…

Artificial Intelligence · Computer Science 2025-06-10 Ming Liu , Wensheng Zhang

Data contamination in model evaluation has become increasingly prevalent with the growing popularity of large language models. It allows models to "cheat" via memorisation instead of displaying true capabilities. Therefore, contamination…

Computation and Language · Computer Science 2024-01-30 Yucheng Li , Frank Guerin , Chenghua Lin

In contrast to their remarkable performance on general knowledge QA, the true abilities of Large Language Models (LLMs) in tasks demanding deep, specialized reasoning, such as in protein biology, have yet to be thoroughly investigated.…

Quantitative Methods · Quantitative Biology 2025-12-30 Dingyi Rong , Zijian Chen , Qi Jia , Kaiwei Zhang , Haotian Lu , Guangtao Zhai , Ning Liu

Given how large parts of publicly available text are crawled to pretrain large language models (LLMs), data creators increasingly worry about the inclusion of their proprietary data for model training without attribution or licensing. Their…

Machine Learning · Computer Science 2025-06-10 Saksham Rastogi , Pratyush Maini , Danish Pruthi

Multiple-choice question (MCQ) datasets like Massive Multitask Language Understanding (MMLU) are widely used to evaluate the commonsense, understanding, and problem-solving abilities of large language models (LLMs). However, the open-source…

Computation and Language · Computer Science 2025-06-30 Qihao Zhao , Yangyu Huang , Tengchao Lv , Lei Cui , Qinzheng Sun , Shaoguang Mao , Xin Zhang , Ying Xin , Qiufeng Yin , Scarlett Li , Furu Wei

We introduce a machine-learning (ML) framework for high-throughput benchmarking of diverse representations of chemical systems against datasets of materials and molecules. The guiding principle underlying the benchmarking approach is to…

Machine Learning · Computer Science 2021-12-07 Carl Poelking , Felix A. Faber , Bingqing Cheng

The rapid development of Large Language Models (LLMs) like GPT-4, Claude-3, and Gemini has transformed the field of natural language processing. However, it has also resulted in a significant issue known as Benchmark Data Contamination…

Computation and Language · Computer Science 2024-06-07 Cheng Xu , Shuhao Guan , Derek Greene , M-Tahar Kechadi

Data contamination is a known threat to the reliability of model evaluation. However, it remains underexplored in code large language models (LLMs), where contamination often goes beyond exact duplication. We present TRACER, a…

Software Engineering · Computer Science 2026-05-26 Yifeng Di , Xuliang Huang , Tianyi Zhang