How Do AI Coding Agents Contribute to Software Development? an Empirical Study of Agentic Pull Requests

• URL: http://arxiv.org/abs/2607.21832v1
• Date: Thu, 23 Jul 2026 21:48:28 GMT
• Title: How Do AI Coding Agents Contribute to Software Development? an Empirical Study of Agentic Pull Requests
• Abstract summary: This study aims to characterize agentic pull requests (PR) in comparison to human generated PRs.<n>We first analyze how differences in merge rates between agentic and human generated PRs vary over time.<n>We then identify the types of development tasks where AI coding agents are predominantly applied.
• Score: 5.6795075579540395
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Recent advances in large language models and their rapid adoption across software engineering tasks have made Artificial Intelligence (AI) coding agents an integral component of modern software development workflows. While developers increasingly benefit from these coding agents, their impact on software quality remains insufficiently understood. In particular, how agentic contributions evolve across the software development lifecycle has not been thoroughly investigated. This study aims to characterize agentic pull requests (PR) in comparison to human generated PRs and to examine how their properties change across different stages of the development lifecycle. Using the AIDev dataset, we first analyze how differences in merge rates between agentic and human generated PRs vary over time. We then identify the types of development tasks where AI coding agents are predominantly applied and investigate how these task distributions evolve across development quarters. Finally, we compare a set of key characteristics of agentic and human generated PRs, focusing on their implications for software quality and their temporal dynamics. Overall, our findings provide an empirical and longitudinal perspective on the role of AI coding agents in software development, offering a more nuanced understanding of their benefits and limitations in real-world practices.

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