repository · survival report #3 · 2026-09-28 · method v3 · unranked

youknowone/pyre

In Survival Report #3 (2026-09-28, method v3): 1,375,998 of 1,905,484 lines introduced by 1,857 AI-tagged commits are still at HEAD, 72.2 %. 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 #3 · all repositories · Atom feed

1,857AI-tagged commits · of 84,965 1,905,484lines introduced by them 1,375,998still attributed to them at HEAD 72.2 %line-weighted 72.5 %median per commit 17 %of introduced lines in the largest commit

Baseline: this repository's untagged lines

Commits with no machine-readable AI signal, human-written, inline-completed or untagged-agent code alike: 83,108 commits, 16,039,919 lines introduced, 3,591,019 still at HEAD (22.4 % line-weighted, 16.7 % median per commit). Age is the time from a commit to HEAD. Method v3; definition at causari.dev/method.

Age-matched: AI-tagged lines 72.2 % against untagged lines of the same age 61.9 %, a gap of +10.4 pts, over 4 age windows holding 100 % of the AI-tagged lines. The oldest line still at HEAD dates 2005-01-23; 2,232 commits (0 AI-tagged, 201,033 lines) are older, and nothing from before that date survives, tagged or not.

Line ageAI-taggedcommitsUntaggedcommits
0–30 d71.8 %39177.4 %56
30–90 d69.1 %1,03365.2 %154
90–180 d76.9 %40545.4 %4,288
180–365 d61.6 %2879.9 %163
365–730 d—083.9 %1,212
730+ d—018.1 %77,235

By agent, in Survival Report #3

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

AgentCommitsLines introducedStill at HEADLine-weightedCapped
claude-code1,7711,805,2661,298,27771.9 %69.3 %
github-copilot288100.0 %100.0 %
grok7066,95952,32978.2 %77.6 %
openai-codex1433,25125,38476.3 %74.3 %

History across reports

One row per report this repository was measured in, oldest first; each report measured HEAD as of its own date. A line appears once the repository has been measured in two reports.

ReportDateAI-tagged commitsLines introducedStill at HEADLine-weighted
Survival Report #32026-09-281,8571,905,4841,375,99872.2 %

Reproduce

One command, any machine, no account: the same bytes the report was built from. The exact bytes behind this page are repos/youknowone__pyre.json of Survival Report #3. Open an issue with your JSON if it differs.

re audit youknowone/pyre --json   # method v3, 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 72.2 % · causari · #3 AI code survival 72.2 % · causari · #3, paper on ink

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

Coverage

  • Method v3, causari 0.3.0. Detection from commit metadata only; survival from git blame -w -M -C at HEAD.
  • Full clone: yes. Method v3 refuses shallow clones; this row comes from a complete history.
  • Sample: 1,857 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: 3,106 lines per commit in this repository; the capped ratio is 69.7 %.
  • .git-blame-ignore-revs: not present in this repository.