Findings in our latest study show that the quality of code written with GitHub Copilot is significantly more functional, readable, reliable, maintainable, and concise.

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A randomized controlled trial with 202 experienced developers shows that GitHub Copilot significantly improves the functionality, readability, reliability, maintainability, and conciseness of code. Developers using Copilot had higher code approval rates and fewer code errors, resulting in time savings and higher overall quality. The study suggests that Copilot empowers developers to iterate and refine their code with confidence.

Does GitHub Copilot improve code quality? Here’s what the data says

Code written using GitHub Copilot was more functional

Developers found code written using GitHub Copilot easier to read

Code authored using GitHub Copilot was more likely to be approved