How much of cesium did AI write?

No AI tool signed any of the 33,460 commits of cesium.

Since its first commit, on March 2, 2012. Read on November 7, 2026, at commit fae001d. Read it as markdown

Who signed the commits

cesium33,460 commits

People33,460 commits

Commits per month

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

Signed by AI
People

The figures, month by month

Month	Commits	Signed by AI	Share
Nov 2026	44	0	0%
Oct 2026	143	3	2.1%
Sep 2026	151	1	0.7%
Aug 2026	253	3	1.2%
Jul 2026	122	0	0%
Jun 2026	162	0	0%
May 2026	206	0	0%
Apr 2026	251	1	0.4%
Mar 2026	366	0	0%
Feb 2026	300	2	0.7%
Jan 2026	139	0	0%
Dec 2025	67	0	0%
Nov 2025	72	0	0%
Oct 2025	182	1	0.5%
Sep 2025	238	0	0%
Aug 2025	199	0	0%
Jul 2025	157	0	0%
Jun 2025	166	0	0%
May 2025	236	0	0%
Apr 2025	67	0	0%
Mar 2025	75	0	0%
Feb 2025	108	0	0%
Jan 2025	121	0	0%
Dec 2024	56	0	0%

The last commits an AI signed

053a07bMake tree controls keyboard accessibleGitHub Copilot· Oct 30, 2026
c6db295Potential fix for pull request finding 'Check non-enumerable ES class methods in interface conformance'GitHub Copilot· Oct 30, 2026
46a27a6Potential fix for pull request finding 'Escape property names and values before assigning innerHTML'GitHub Copilot· Oct 30, 2026
b5053d3Fix lint failure in edge visibility specGitHub Copilot· Sep 12, 2026
8987532Improve instruction wording about server side refinement (edge vs surface)GitHub Copilot· Aug 31, 2026
273dc6dSpy on oneTimeWarning via PostProcessStage._oneTimeWarning in specGitHub Copilot· Aug 28, 2026
8947758Add unit test for selected texture max size clampGitHub Copilot· Aug 26, 2026

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 →