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GitHub DevEx Survey: AI Coding Tools Require Evolution of Performance Metrics
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Amid the rapid advancements in generative artificial intelligence (AI), GitHub wanted to get a better understanding from developers about how new tools—and current workflows—are impacting the overall developer experience.

GitHub surveyed 500 U.S.-based developers at companies with more than 1,000 employees. It found that AI tools are already being widely adopted by developers, that these tools are having a measurable impact on individual productivity and team collaboration and that they will require engineering leaders to adjust how performance is measured.

AI’s Impact on DevEx Is Driving Adoption

The research found that 92% of developers are already using AI coding tools at work. 70% reported that AI coding tools will offer them an advantage at work, with numerous reported benefits driving adoption:

  • 81% of developers say AI coding tools will help increase collaboration within their teams and organisations, with security reviews, planning and pair programming identified as significant tasks to benefit.
  • 57% believe AI coding tools help them improve their coding language skills, enabling them to upskill.
  • 53% believe AI coding tools will make them more productive, particularly by automating parts of their workflow.
  • 51% say that AI coding tools will give them more time to focus on solution design, helping them to stay creative.
  • 41%  believe that AI coding tools can help with preventing burnout, by helping to reduce cognitive effort and freeing up mental capacity and time. In fact, in previous research GitHub conducted, 87% of developers reported that the AI coding tool GitHub Copilot helped them preserve mental effort while completing more repetitive tasks.

Traditional Performance Metrics Need to Evolve in the Age of AI

One-third of developers report that their managers currently assess their performance based on the volume of code they produce (33%). The other top reported metrics for performance are largely output-based: 40% are measured by code quality, 34% by speed of completion, 34% by production incidents and 33% by number of bugs resolved.

However, with the increasing use of AI tools in software development, which often contributes to code volume, engineering leaders will need to ask whether measuring code volume is still the best way to measure productivity and output.

According to GitHub’s research, developers say AI coding tools can help them meet existing performance standards with improved code quality, faster outputs and fewer production-level incidents. They also believe that these metrics should be used to measure their performance beyond code quantity.

  • 35% of developers believe they should be measured on collaboration and communication.
  • 34%  think they should be measured by code quality.
  • 34% say they should be measured by the number of bugs or issues resolved.
  • 34% claim they should be measured by the time to complete a task.
  • 32% contend they should be measured by test coverage.
  • 32% believe they should be measured by the velocity and quality of feature delivery.

A New Frontier

Inbal Shani, Chief Product Officer, GitHub, said: “Developers today do more than just write and ship code; they’re [also] expected to navigate a number of tools, environments, and technologies, including the new frontier of generative AI coding tools.”

“But the most important thing for developers isn’t story points or the speed of deployments. It’s the developer experience, which determines how efficiently and productively developers can exceed standards, enter a flow state, and drive impact.

“Ultimately, the way to innovate at scale is to empower developers by improving their productivity, increasing their satisfaction, and enabling them to do their best work—every day. After all, there can be no progress without developers who are empowered to drive impact.”

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