Developers using AI coding harnesses now produce roughly 2.5 times as much code as they did 18 months ago.

Cursor data shows average lines of code added by users rising from 3,500/month in January 2025 to 8,600 today, alongside larger pull requests and less human code review. ✦ AI generated

Gergely Orosz · The Pragmatic Engineer · 2026-06-23 · original ↗

Devs using AI harnesses are producing 2.5x as much code versus 18 months ago. Data from Cursor shows that their users, on average, went from adding 3,500 lines of code in January 2025 to 8,600 today.

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