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Despite the effectiveness of large language models (LLMs) for code generation, they often output incorrect code. One reason is that model output probabilities are often not well-correlated with correctness, and reflect only the final output…

Software Engineering · Computer Science 2026-01-22 Francisco Ribeiro , Claudio Spiess , Prem Devanbu , Sarah Nadi

With the recent unprecedented advancements in Artificial Intelligence (AI) computing, progress in Large Language Models (LLMs) is accelerating rapidly, presenting challenges in establishing clear guidelines, particularly in the field of…

Cryptography and Security · Computer Science 2024-09-04 Nafis Tanveer Islam , Joseph Khoury , Andrew Seong , Elias Bou-Harb , Peyman Najafirad

It is natural to suppose that a Large Language Model is more likely to generate correct test cases when prompted with correct code under test, compared to incorrect code under test. However, the size of this effect has never been previously…

Software Engineering · Computer Science 2025-03-31 Dong Huang , Jie M. Zhang , Mark Harman , Mingzhe Du , Heming Cui

Large language models (LLMs) have shown impressive promise in code generation, yet their progress remains limited by the shortage of large-scale datasets that are both diverse and well-aligned with human reasoning. Most existing resources…

Machine Learning · Computer Science 2025-10-28 Amal Abed , Ivan Lukic , Jörg K. H. Franke , Frank Hutter

This study presents a comprehensive empirical evaluation of six state-of-the-art large language models (LLMs) for code generation, including both general-purpose and code-specialized models. Using a dataset of 944 real-world LeetCode…

Software Engineering · Computer Science 2025-12-23 Le Zhang , Suresh Kothari

In this paper we address the following question: How can we use Large Language Models (LLMs) to improve code independently of a human, while ensuring that the improved code - does not regress the properties of the original code? - improves…

Software Engineering · Computer Science 2024-02-08 Nadia Alshahwan , Mark Harman , Inna Harper , Alexandru Marginean , Shubho Sengupta , Eddy Wang

The code generation capabilities of large language models(LLMs) have emerged as a critical dimension in evaluating their overall performance. However, prior research has largely overlooked the security risks inherent in the generated code.…

Cryptography and Security · Computer Science 2025-06-23 Xinghang Li , Jingzhe Ding , Chao Peng , Bing Zhao , Xiang Gao , Hongwan Gao , Xinchen Gu

This paper presents insights from evaluating 16 frontier large language models (LLMs) on the WebApp1K benchmark, a test suite designed to assess the ability of LLMs to generate web application code. The results reveal that while all models…

Software Engineering · Computer Science 2024-09-10 Yi Cui

Language models (LMs) have exhibited impressive abilities in generating code from natural language requirements. In this work, we highlight the diversity of code generated by LMs as a critical criterion for evaluating their code generation…

Software Engineering · Computer Science 2025-03-10 Seonghyeon Lee , Heejae Chon , Joonwon Jang , Dongha Lee , Hwanjo Yu

In recent times, large language models (LLMs) have made significant strides in generating computer code, blurring the lines between code created by humans and code produced by artificial intelligence (AI). As these technologies evolve…

Machine Learning · Computer Science 2024-07-04 Marc Oedingen , Raphael C. Engelhardt , Robin Denz , Maximilian Hammer , Wolfgang Konen

The advent of Large Language Models (LLM) has revolutionized the efficiency and speed with which tasks are completed, marking a significant leap in productivity through technological innovation. As these chatbots tackle increasingly complex…

Software Engineering · Computer Science 2024-05-24 Luc Bryan Heitz , Joun Chamas , Christopher Scherb

Large Language Models (LLMs) can generate code but often introduce security vulnerabilities, logical inconsistencies, and compilation errors. Prior work demonstrates that LLMs benefit substantially from structured feedback, static analysis,…

Cryptography and Security · Computer Science 2026-01-05 Vidyut Sriram , Sawan Pandita , Achintya Lakshmanan , Aneesh Shamraj , Suman Saha

Large Language Models (LLMs) demonstrate capabilities in code generation, potentially boosting developer productivity. However, their adoption remains limited by high computational costs, among other factors. Small Language Models (SLMs)…

Software Engineering · Computer Science 2025-09-23 Débora Souza , Rohit Gheyi , Lucas Albuquerque , Gustavo Soares , Márcio Ribeiro

Large Language Models (LLMs) have revolutionized code generation but require significant resources and often over-generalize, limiting their task-specific efficiency. Fine-tuning smaller, open-source LLMs provides a cost-effective…

Computation and Language · Computer Science 2025-06-27 Leitian Tao , Xiang Chen , Tong Yu , Tung Mai , Ryan Rossi , Yixuan Li , Saayan Mitra

Code security and usability are both essential for various coding assistant applications driven by large language models (LLMs). Current code security benchmarks focus solely on single evaluation task and paradigm, such as code completion…

Computation and Language · Computer Science 2025-05-16 Yutao Mou , Xiao Deng , Yuxiao Luo , Shikun Zhang , Wei Ye

Automating the decision of whether a code change requires manual review is vital for maintaining software quality in modern development workflows. However, the emergence of new programming languages and frameworks creates a critical…

Software Engineering · Computer Science 2025-09-08 Yogev Cohen , Dudi Ohayon , Romy Somkin , Yehudit Aperstein , Alexander Apartsin

Large Language Models (LLMs) represent a leap in artificial intelligence, excelling in tasks using human language(s). Although the main focus of general-purpose LLMs is not code generation, they have shown promising results in the domain.…

Software Engineering · Computer Science 2024-01-30 Sanka Rasnayaka , Guanlin Wang , Ridwan Shariffdeen , Ganesh Neelakanta Iyer

Open Source Software (OSS) has become a very important and crucial infrastructure worldwide because of the value it provides. OSS typically depends on contributions from developers across diverse backgrounds and levels of experience. Making…

Software Engineering · Computer Science 2025-10-08 Elijah Kayode Adejumo , Brittany Johnson

Reasoning about code and explaining its purpose are fundamental skills for computer scientists. There has been extensive research in the field of computing education on the relationship between a student's ability to explain code and other…

Computers and Society · Computer Science 2024-04-03 Juho Leinonen , Paul Denny , Stephen MacNeil , Sami Sarsa , Seth Bernstein , Joanne Kim , Andrew Tran , Arto Hellas

Many developers rely on Large Language Models (LLMs) to facilitate software development. Nevertheless, these models have exhibited limited capabilities in the security domain. We introduce LLMSecGuard, a framework to offer enhanced code…

Software Engineering · Computer Science 2024-05-07 Arya Kavian , Mohammad Mehdi Pourhashem Kallehbasti , Sajjad Kazemi , Ehsan Firouzi , Mohammad Ghafari