DOMAIN

openai.com

Personal blog First seen on HN · May 2026 · #1028 most-AI domain

— What we found

Articles from openai.com are almost always human-written.

openai.com has had 46 articles reach the Hacker News front page. Pangram scored 7% of them as AI-generated, well under the Hacker News average of 14%.

AI verdict · all time

Reliably human

Lower than most domains we track.

Human 65% Mixed 28% AI 7%

WEEK ON WEEK flat

MONTH ON MONTH ↓ 7pp

Articles analyzed

all-time on HN

Median AI score

half of articles score higher

“Almost certainly AI”

3 articles > 90%

“Likely human”

57%

26 articles < 10%

— Distribution

How AI scores spread

46 articles · 10% buckets

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 20% Min 0% Max 97% Trend ↓ falling

— Sample articles

At three score levels

A snapshot of what openai.com puts on the front page.

Most AI-scored ≥ 70% AI

Work with Codex from anywhere

98% AI · article · May 15

Supply Co. x Work Louder

97% AI · 184 words · Jul 15

OpenAI frontier models and Codex are now available on AWS

93% AI · article · Jun 1

Mixed 30–70% AI

WebMCP Challenge

32% AI · 145 words · Aug 26

Advancing the price-performance frontier with GPT-5.6

44% AI · 945 words · Jul 30

Most-human ≤ 10% AI

Apple is getting this wrong

0% AI · 1,697 words · Aug 4

Disrupting a new covert influence campaign from Russia

0% AI · 1,611 words · Aug 26

Europe privacy policy preview

0% AI · 4,969 words · Aug 15

— Peer comparison

openai.com vs. similar sources

AI fraction · all on HN

Hacker News average

14%

claude.com

bloomberg.com

openai.com YOU

chipsandcheese.com

news.ycombinator.com