S
DOMAIN
simonwillison.net
Personal blog First seen on HN · Apr 2026 · #344 most-AI domain
— What we found
Articles from simonwillison.net are almost always human-written.
simonwillison.net has had 13 articles reach the Hacker News front page. Pangram scored 0% of them as AI-generated, well under the Hacker News average of 10%.
AI verdict · all time
0%
Reliably human
Lower than most domains we track.
Human 100% Mixed 0% AI 0%
Articles analyzed
13
all-time on HN
Median AI score
5%
half of articles score higher
“Almost certainly AI”
0%
0 articles > 90%
“Likely human”
100%
13 articles < 10%
— Distribution
How AI scores spread
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
70 · AI → 30 · mixed →
earlierlatest
30d avg 1% Min 0% Max 6%
Trend ↓ falling
— Sample articles
At three score levels
Most AI-scored ≥ 70% AI
Changes in the system prompt between Claude Opus 4.6 and 4.7
Notes on Pope Leo XIV’s encyclical on AI
Uber Caps Usage of AI Tools Like Claude Code to Manage Costs
Mixed 30–70% AI
No articles in this range.
— Peer comparison
simonwillison.net vs. similar sources
Hacker News average 10%
raymii.org 0%
wired.com 0%
simonwillison.net YOU 0%
apnews.com 0%
fluentu.com 0%