№ 6 The State of AI Writing on Hacker News · September 2026

September's front page averaged 19% AI-generated.

Pangram flagged 19% of the month's 2,611 analyzed stories as AI-generated. That's flat against the previous month.

Issue №6 Analyzed 2,611 stories Across 30 days From 1,570 distinct domains By HN AI Detector

1 in 5

front-page stories was AI-generated

Pangram flagged 490 of 2611 analyzed stories as AI this month.

0pp

change versus the previous month

The AI share held flat against the month before.

100%

of gadgetreview.com was AI-generated

Of domains with at least three stories this month, gadgetreview.com had the highest AI share.

— The trend

AI % on the HN front page, every day of Sep

30 days · daily rolling avg

Prev. avg: 19% · this month: 19%

10%

15%

20%

25%

prev avg · 19%

Sep 01Sep 08Sep 15Sep 22Sep 30

Below 17% 17–20% 20% and above Highest day: 25% on Sep 17

— Trending up

vs. previous month

— Steady

vs. previous month