What is Devin?
Devin is an AI software agent that writes and commits code to repositories. The material tracks its adoption inside engineering organizations, measured by the share of internal code committed by the agent over successive months in early 2026.
Release history
- May 2026 - Nathaniel Whittemore said the share of internal code committed by Devin rose from 17% in January to 33% in February, 76% in March, and 89% at the time of his remarks.
- May 2026 - Walden Yan said Devin commit percentages across all Devin repos were 16% in January and 80% in March.
- Sep 2026 - Harry Stebbings said the run rate was at least $75,000 per employee per engineer.
In the discourse
Attributed discussion of Devin.
Cognition's AI agent Devin went from authoring 17% of internal code commits in January 2026 to 89% by late May, roughly doubling each month.
“In January 17% of their internal code was committed by Devon. That proportion doubled to 33% in February, doubled again to 76% in March, and is now at 89%.”Nathaniel Whittemore · 30 May 2026
Cognition's Devin agent is worth tracking as a leading indicator of AI-driven software development adoption, with internal code authorship nearing 90% in under 5 months.
“In January 17% of their internal code was committed by Devon. That proportion doubled to 33% in February, doubled again to 76% in March, and is now at 89%.”Nathaniel Whittemore · 30 May 2026
Devin commit percentages on all Devin repos rose from 16% in January 2025 to 80% in March 2025, a 5x increase in roughly two months.
“Devon commit percentages on all Devon repos was 16% in January and now 80% in March.”Walden Yan · 28 May 2026
One company's AI developer tooling run rate is at least $75,000 per engineer per year, spanning Codex, Cursor, Claude, and Devin.
“The run rate's at least 75k per employee per engineer.”Harry Stebbings · 7 Sep 2026