repository · survival report #5 · 2026-10-12 · method v4 · unranked

crewAIInc/crewAI

In Survival Report #5 (2026-10-12, method v4): 154,574 of 3,349,470 lines introduced by 205 AI-tagged commits are still at HEAD, 4.6 %. These are counts, not grades. No rank, no colour, no verdict, and no comparison with any other repository on this page. Every number links to the audit bytes behind it and the method and its limits are public.

GitHub · latest.json · badge.svg · Survival Report #5 · all repositories · Atom feed

Baseline: this repository's untagged lines

Commits with no machine-readable AI signal, human-written, inline-completed or untagged-agent code alike: 2,658 commits, 9,226,063 lines introduced, 5,316,171 still at HEAD (57.6 % line-weighted, 59.8 % median per commit). Age is the time from a commit to HEAD. The baseline was added in method v3 and is unchanged later; definition at causari.dev/method.

Age-matched: AI-tagged lines 4.6 % against untagged lines in the matched age windows 63.3 %, a gap of -58.7 pts, over 5 age windows holding 100 % of the AI-tagged lines. The oldest line still at HEAD dates 2023-10-29; 1 commits (0 AI-tagged, 1 lines) are older, and nothing from before that date survives, tagged or not.

Line ageAI-taggedcommitsUntaggedcommits
0–30 d89.8 %2990.5 %68
30–90 d83.2 %6477.5 %158
90–180 d2.4 %2862.9 %341
180–365 d87.3 %3077.6 %489
365–730 d68.4 %5166.9 %783
730+ d0.0 %32.0 %819

By agent, in Survival Report #5

Alphabetical. A commit is attributed to the agent its metadata names; one agent per commit. VERIFIED commits only.

AgentCommitsLines introducedStill at HEADLine-weightedCapped
aider322400.0 %0.0 %
claude-code12568,21558,85986.3 %83.4 %
cursor193,243,24963,0881.9 %22.7 %
devin5112,9628,92768.9 %67.5 %
github-copilot724,82023,70095.5 %91.0 %

History across reports

One row per report this repository was measured in, oldest first; each report measured HEAD as of its own date. The line is the line-weighted ratio on a fixed 0 – 100 % axis; each point is one report.

Line-weighted ratio across reports, 0 to 100 %: #2 4.4 %; #3 4.4 %; #4 4.6 %; #5 4.6 %
ReportDateAI-tagged commitsLines introducedStill at HEADLine-weighted
Survival Report #22026-09-231923,342,690148,5994.4 %
Survival Report #32026-09-281923,342,690148,5794.4 %
Survival Report #42026-10-051993,348,346153,5914.6 %
Survival Report #52026-10-122053,349,470154,5744.6 %

Reproduce

One command, any machine, no account: the same bytes the report was built from. The exact bytes behind this page are repos/crewAIInc__crewAI.json of Survival Report #5. Open an issue with your JSON if it differs.

re audit crewAIInc/crewAI --json   # method v4, full clone

Badge

Text only, one colour, no red and no green. It follows the latest report and is cached for one hour. badge-dark.svg is the same badge as paper on ink.

AI code survival  4.6 % · causari · #5 AI code survival  4.6 % · causari · #5, paper on ink

README · Markdown
[![AI code survival](https://causari.dev/r/crewaiinc/crewai/badge.svg)](https://causari.dev/r/crewaiinc/crewai/)

Coverage

  • Method v4, causari 0.4.1. Detection from commit metadata only; survival from git blame -w -M -C at HEAD.
  • Full clone: yes. Method v4 refuses shallow clones; this row comes from a complete history.
  • Sample: 205 AI-tagged commits; the sample floor is 5. At or above the floor, so the ratio is aggregated into the report.
  • PROBABLE: No PROBABLE commits: every counted commit carries machine-readable AI authorship metadata.
  • Cap: 1,818 lines per commit in this repository; the capped ratio is 76.4 %.
  • .git-blame-ignore-revs: not present in this repository.