The Impact of GitHub Copilot on Developer Productivity: A Case Study

Articleharness.ioJanuary 29, 2026

Real-world case study with 50 developers showing 10.6% more PRs and 3.5-hour cycle time reduction after Copilot adoption. Includes implementation details and measurement approach.

AI Summary

GitHub Copilot significantly boosts developer productivity, evidenced by a real-world case study involving 50 developers who increased pull requests (PRs) by 10.6% and reduced cycle time by 3.5 hours after adopting the tool. The implementation details and measurement approach reveal how Copilot streamlines coding tasks and enhances workflow efficiency. Key Information: - Core Claim: GitHub Copilot enhances developer productivity. - Case study involving 50 developers. - Results: 10.6% increase in pull requests and 3.5-hour reduction in cycle time post-adoption. - Includes specific implementation details and measurement techniques. - Rating: ⭐️⭐️⭐️⭐️⭐️ (5/5). - Date Added: January 29, 2026. - Link: Harness Blog.

Why It Matters for Leaders

Real company example with concrete metrics. Shows how to measure AI tool impact on team performance. Useful for building business cases.

Category

AI

Target Audience

Engineering ManagerDirector of EngineeringCTO / VP Engineering

Tags

AI AdoptionAI Coding ToolsProductivityExperimentation
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