active · formatting · first recorded 2026-07-02 · registers: hn, cooking, parenting
**Bolding** key phrases in contexts where no human would: forum answers, comments, casual replies. Humans in our matched corpora essentially never bold; models do it constantly (90×+ in advice registers).
model specificity: cross-model; declining but still extreme
**Salt, correctly timed** — Salting early and adequately…
occurrences per 10k words, measured 2026-09-28 (run #15, 3 current + 3 vintage models)
| current AI | vintage AI (2024/25) | humans (matched) | canon (great pre-AI prose) | |
|---|---|---|---|---|
| pooled | 27.07 | 61.12 | 0.00 | 0.00 |
| hn | 1.41 | — | 0.00 | |
| cooking | 49.52 | — | 0.00 | |
| parenting | 31.74 | — | 0.00 | |
| 56.00 | — | — |
| run | date | AI /10k | vs humans |
|---|---|---|---|
| #2 | 2026-07-02 | 30.67 | only in AI |
| #3 | 2026-07-02 | 31.47 | only in AI |
| #4 | 2026-07-06 | 41.81 | only in AI |
| #5 | 2026-07-13 | 39.81 | only in AI |
| #6 | 2026-07-20 | 23.79 | only in AI |
| #7 | 2026-07-27 | 30.16 | only in AI |
| #8 | 2026-08-03 | 24.66 | only in AI |
| #9 | 2026-08-10 | 23.03 | only in AI |
| #10 | 2026-08-17 | 26.81 | only in AI |
| #11 | 2026-08-31 | 26.49 | only in AI |
| #12 | 2026-09-07 | 26.11 | only in AI |
| #13 | 2026-09-14 | 24.65 | only in AI |
| #14 | 2026-09-21 | 31.26 | only in AI |
| #15 | 2026-09-28 | 27.07 | only in AI |
regex: \*\*[^*\n]{2,80}\*\*