I got an perfect score on the recent AI writing Turing test. It was easy and I was confident in my predictions.

My two main AI tipoffs are:

My four main human tipoffs are:

Genuine humor and language play, including onomotopoeia and the visual appearance of the text on the page.
Specific, detailed cultural references
Imagery that makes the scene specific and furthers the plot
The ability to use subtext to drive a specific, meaningful plot

Stories 6-8 were easiest to categorize.

Story 5 is full of egregious metaphores and imagery, an instant AI writing tipoff. Also, there's no plot payoff and the settings are vague.
Story 6 has legit wordplay ("possession is nine tenths of the law") and it's culture-aware, cleverly referencing exorcism tropes. Easy [...]

---

First published:
September 10th, 2025

Source:
https://www.lesswrong.com/posts/nAoXqeYPsTa4vsX4e/how-i-tell-human-and-ai-flash-fiction-apart

---

“How I tell human and AI flash fiction apart” by DirectedEvolution

LessWrong (30+ Karma)