How much of vitest did AI write?
3.2%
LinkedInWho signed the commits
vitest6,421 commits
- People6,216 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 | 10 | 22.7% |
| Oct 2026 | 187 | 48 | 25.7% |
| Sep 2026 | 94 | 24 | 25.5% |
| Aug 2026 | 128 | 4 | 3.1% |
| Jul 2026 | 82 | 3 | 3.7% |
| Jun 2026 | 72 | 14 | 19.4% |
| May 2026 | 106 | 30 | 28.3% |
| Apr 2026 | 90 | 22 | 24.4% |
| Mar 2026 | 113 | 19 | 16.8% |
| Feb 2026 | 106 | 10 | 9.4% |
| Jan 2026 | 113 | 15 | 13.3% |
| Dec 2025 | 76 | 5 | 6.6% |
| Nov 2025 | 124 | 0 | 0% |
| Oct 2025 | 125 | 1 | 0.8% |
| Sep 2025 | 63 | 1 | 1.6% |
| Aug 2025 | 72 | 1 | 1.4% |
| Jul 2025 | 63 | 0 | 0% |
| Jun 2025 | 94 | 0 | 0% |
| May 2025 | 86 | 0 | 0% |
| Apr 2025 | 53 | 0 | 0% |
| Mar 2025 | 86 | 0 | 0% |
| Feb 2025 | 77 | 0 | 0% |
| Jan 2025 | 93 | 0 | 0% |
| Dec 2024 | 82 | 0 | 0% |
The last commits an AI signed
- 77d91f6docs: add ci matrix table to test readme (#11899)Claude· Nov 6, 2026
- 50dcdb3fix: reset local expect state between retries for `expect.assertions/hasAssertions` (#11900)Claude· Nov 6, 2026
- 1d46316refactor: resolve browser trace locations in test run (#11830)Claude· Nov 4, 2026
- f6ef4b0fix(experimental): skip ambiguous `expect.poll` trace steps in concurrent tests (#11869)Claude· Nov 4, 2026
- 1d115dcfix(browser): fix expect.element with `message` and remove redundant `[ERROR]` in trace steps (#11832)Claude· Nov 4, 2026
- e46c6c1refactor: share trace types and utils (#11825)Claude· Nov 2, 2026
- 9e23ce5refactor(snapshot): unify review update with `SnapshotState` update (#11790)Claude· Nov 2, 2026
- 77511aedocs(browser): update trace view demo screenshots (#11826)Claude· Nov 2, 2026
- fd145d8feat(experimental): add message option to vi.waitFor and vi.waitUntil (#11754)Claude· Nov 2, 2026
- 4e98551feat(experimental): add trace timeline for node (#11753)Claude· Nov 2, 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 →Frequently asked questions
Which AI tool signed the most commits in vitest?
Claude, with 118 of the 6,421 commits of vitest.
The proof: its last signed commit, 77d91f6
Since when does AI sign commits in vitest?
Since August 2025: the first month an AI tool signed a commit of vitest.
How many commits does vitest have?
vitest has 6,421 commits since December 3, 2021. Merges don’t count.
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