Cognition Cuts Devin Review Cost 82% With Version 2.0

At a glance

Cognition has launched Devin Review 2.0, an AI code review tool. Since August, the cost of reviewing a pull request has dropped 82%, so it is now cheap enough to run on every one. Repeat reviews now check only the changed parts, lowering costs further.

Key points

1. 1

   A typical review now costs about $0.25 to $0.75.

2. 2

   Bugs found per pull request rose from 1.22 to 1.32.

3. 3

   Review speed improved 1.5 times, with median response time falling from 139 to 94 seconds.

4. 4

   Users can start a review on GitHub or GitLab with a '/devin review' comment.

Why it matters

Code changes are piling up faster than people can review them by hand. Lower costs make it practical for AI to check every change first.