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How much of crystal did AI write?

0%

No AI tool signed any of the 15,796 commits of crystal.

Since its first commit, on April 14, 2016. Read on November 10, 2026, at commit 1c037b4. Read it as markdown

Who signed the commits

crystal15,796 commits
  • People15,796 commits

Commits per month

Each month's commits up to its last one, with those an AI signed. Merges don't count.

0500Dec 2025: 80 commits, 0 signed by AIDec 2025Jan 2026: 249 commits, 0 signed by AIFeb 2026: 355 commits, 0 signed by AIMar 2026: 209 commits, 0 signed by AIApr 2026: 37 commits, 0 signed by AIMay 2026: 40 commits, 0 signed by AIMay 2026Jun 2026: 60 commits, 0 signed by AIJul 2026: 83 commits, 0 signed by AIAug 2026: 236 commits, 4 signed by AISep 2026: 230 commits, 0 signed by AIOct 2026: 76 commits, 1 signed by AINov 2026: 12 commits, 0 signed by AINov 2026
  • Signed by AI
  • People
The figures, month by month
MonthCommitsSigned by AIShare
Nov 20261200%
Oct 20267611.3%
Sep 202623000%
Aug 202623641.7%
Jul 20268300%
Jun 20266000%
May 20264000%
Apr 20263700%
Mar 202620900%
Feb 202635500%
Jan 202624900%
Dec 20258000%
Nov 202512000%
Oct 202531700%
Sep 202522500%
Aug 202532800%
Jul 202528300%
Jun 202540000%
May 202556600%
Apr 202525000%
Mar 202541300%
Feb 202520000%
Jan 202521100%
Dec 202416600%

The last commits an AI signed

How we know

Every AI coding tool leaves its signature in the commits it makes: a Co-Authored-By line, its own author name, or the merge of its branch. SeeRepo reads those signatures in the repo's history; a commit without one counts as made by people, and merges don't count.

Every AI tool SeeRepo recognizes →

Frequently asked questions

How many commits does crystal have?
crystal has 15,796 commits since April 14, 2016. Merges don’t count.

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