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DOMAIN
pubmed.ncbi.nlm.nih.gov
Academic preprints First seen on HN · Jul 2026 · #3293 most-AI domain

— What we found

Articles from pubmed.ncbi.nlm.nih.gov are almost always human-written.

pubmed.ncbi.nlm.nih.gov has had 1 article reach the Hacker News front page. Pangram scored 0% of them as AI-generated, well under the Hacker News average of 11%.

AI verdict · all time
0%
Reliably human
Lower than most domains we track.
Human 100% Mixed 0% AI 0%
WEEK ON WEEK flat
MONTH ON MONTH flat
Articles analyzed
1
all-time on HN
Median AI score
5%
half of articles score higher
“Almost certainly AI”
0%
0 articles > 90%
“Likely human”
100%
1 articles < 10%

— Distribution

How AI scores spread

1 articles · 10% buckets
1
0–1010–2020–3030–4040–5050–6060–7070–8080–9090–100
HUMAN · 0–30%
MIXED · 30–70%
AI · 70–100%

— Trend

AI score by day

Per-day average
70 · AI → 30 · mixed →
earlierlatest
30d avg 6% Min 6% Max 6% Trend ↑ rising

— Sample articles

At three score levels

A snapshot of what pubmed.ncbi.nlm.nih.gov puts on the front page.
Mixed 30–70% AI

No articles in this range.

— Peer comparison

pubmed.ncbi.nlm.nih.gov vs. similar sources

AI fraction · all on HN
Hacker News average
11%
zo.computer
0%
writerbeware.blog
0%
pubmed.ncbi.nlm.nih.gov YOU
0%
theanarchistlibrary.org
0%
cggonzalez.com
0%