Greptile study shows AI coding tools boosted developer output 76% from March to November 2025, with code per developer rising from 4,450 to 7,839 lines; Anthropic SDK grew 8x while Claude.md format leads at 67% adoption.

The State of AI Coding 2025 | Greptile

Table of ContentsNavigate the ReportChart 1.1Median PR size increased 33% from March to November 2025, rising from 57 to 76 lines changed per PR.Captured from Greptile internal data engineering team velocityChart 1.2Lines of code per developer grew from 4,450 to 7,839 as AI coding tools act as a force multiplier.Captured from Greptile internal data engineering team velocityChart 1.3Medium teams (6-15 devs) increased output from 7,005 to 13,227 lines per developer.Captured from Greptile internal ...