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Show HN: How much of Hacker News is AI?

https://hnstats.com
32•beekthos•1h ago
This website counts titles containing the standalone word "AI", case-sensitive and word-bounded. "OpenAI" doesn't count. "AI-powered" does. There's a toggle for a wider vocabulary: artificial intelligence spelled out, LLM, GPT, and model and vendor names.

Some quick stats:

- 14.4% of new HN titles this year, against 10.9% in 2025. On the wider vocabulary, 21.9% and 16.1%. - First month above 1% was Oct 2016. Above 5%, Feb 2023. Above 10%, May 2025. - Over the last five years the quietest month was Jan 2022 at 0.8%. The peak was Feb 2026 at 15.9%. - 13.6% on weekdays against 12.4% at weekends. - Show HN runs highest of any category at 19.8% this year, which makes this post part of the number.

As of this post, today is at 15% for the standard filter and 19% for the extended.

Comments

regexman1•1h ago
Brilliant
sharemywin•1h ago
it would be cool to use embeddings to categorize into like 10-20 categories and get a giant pie chart
beekthos•1h ago
Not a bad idea. I'd look at creating a separate page for embeddings. Crypto and NFT's would be the next best candidates to add. Something for me to work on over time.
missingpackage•56m ago
At first I thought about how many posts were written by AI
beekthos•30m ago
Most of the time things make sense in my head until someone points it out haha. I should have written it as "related to AI" or something like that.
bklosky•50m ago
you could fetch the text from linked blog posts over time and run 'em through pangram, I bet >20% of blogs linked on HN today are totally LLM written
beekthos•9m ago
Several people have asked for this already, so I'll add it to my to-do list. I just want to be careful about flagging posts that appear to be written by AI. Perhaps I set certain thresholds of certainty to filter by. What I have currently is easily verified and matched by the words we are filtering for.

It is also interesting to note that I have already received 5 AI written emails to the email I linked in the footer.

noobplus•50m ago
And so comes the AI comments as many as the AI posts just saying for fun
ForOldHack•46m ago
If you read a lot, you start to get a feel for phone typos vs AI hiccups. I can guarantee that is post was made by a brain designed to eat berries in a cave. Almost all the another posts look a bit scary.

I think I misunderstood - how many posts were about AI vs how many posts were written by AI.

I obviously am suffering from berry fog.

noobplus•38m ago
Exactly yep. Maybe even more when time machine has been invented by that AI bot in far future I meant the number of comments by AI(-bots)
beekthos•26m ago
Something to maybe track later would be /newcomments, but that would only grab the most obvious comments. People can certainly direct an AI to write in a style that sounds human, but I'm sure it'll still catch a fair amount.
caminanteblanco•41m ago
Would there be some way to see what percentage of the front page meets those qualifications? I don't browse /new very often, so I have less of an idea of how representative that is. It would be interesting to see if they trend similarly.

Thanks for the cool project!

beekthos•33m ago
Yeah, that's probably the main limitation right now. This is measuring /new, so it's every submission rather than just the stuff that makes the front page.

lcamtuf's survey (linked in the footer) was looking at the front page, and the number there was quite a bit higher. So there's likely some effect from voting, although I haven't dug into that yet.

I think Algolia has a way to filter for front-page stories, which should make it pretty easy to add. I haven't tested that yet though but will certainly look into it!

rzmmm•30m ago
It's remarkable how stable 20-30% show HN concentration is after late 2022, for the extended stats.
xpct•27m ago
Good. Now do what % of posts link to AI generated articles.
grey-area•8m ago
That would be a much more depressing statistic.
ChrisArchitect•13m ago
Related:

How Much of HN is AI? https://news.ycombinator.com/item?id=49435728

hartator•7m ago
Would be curious to see how many comments are AI generated.

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Show HN: How much of Hacker News is AI?

https://hnstats.com
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