this post was submitted on 06 Jul 2025
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Fuck AI

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TL;DR for AI writing warning signs:

  • Use of the em-dash (—)
  • Parallel sentence structure (e.g. "It's not just X, it's Y")
  • Grouping things in threes or at least odd numbers
  • Delineating line breaks with emojis
  • Odd/unnatural verbiage
  • Overuse of filler words (talking like your average LinkedIn post)
  • Exaggerated and empty praise
  • Weird analogies and similes
  • Restating and overclarifying points

TL;DR for signs something was written by a human:

  • Including anecdotes
  • Written in the first person
  • Tangents and nonlinear storytelling
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[–] Bwaz@lemmy.world 8 points 11 hours ago

Repeating the same content with different wording later in the text. For instance: saying the same statement you did earlier a little differently

[–] shalafi@lemmy.world 7 points 11 hours ago* (last edited 4 hours ago)
  • Including anecdotes
  • Written in the first person
  • Tangents and nonlinear storytelling

It's like they read a Vonnegut book and said, "That right there is peak human!" And I'd agree!

[–] BlameTheAntifa@lemmy.world 3 points 11 hours ago

TIL that following many decades of carefully observed writing best practices makes you an AI.

[–] danielquinn@lemmy.ca 19 points 16 hours ago

Please don't give this any credit. Nonsense like this is already being used to filter web form submissions for things like job applications.

Source: I applied for a role at a medium-sized company a couple weeks ago and was auto-rejected because my cover letter appeared to be AI-generated. I clicked "back", removed an em-dash, and the form was accepted.

[–] pixelkitty@lemmy.world 20 points 17 hours ago (2 children)

Welp, TIL that I’m a LLM. I frequently use at like 75% of those in my creative writing. I learned to use all of these by reading books.

[–] VitoRobles@lemmy.today 4 points 14 hours ago

The summary isnt hitting the nuance.

I see a lot of AI garbage.

You get emojis as list elements. You see a lot of dry writing, like you're reading a blog. You get vague nothings that sound good, but are meaningless.

[–] Signtist@lemmynsfw.com 6 points 17 hours ago

That's the issue - so did AI. Real people use them less often because real people often don't read a lot of books. AI might not really understand the words it's spewing out, but it's at least good at formatting them as it's been shown.

[–] Darkore@lemmy.blahaj.zone 3 points 12 hours ago

meanwhile here i am with the silly three-em dash⸻too long to be used in most cases, so it's rarely used when training ai⸻and the two-em dash⸺not quite as absurd, but still pretty rare⸺and i keep on looking for weird characters to use regularly

[–] phneutral@feddit.org 31 points 20 hours ago (3 children)

Fuck — as an designer and typography nerd I just love them em-dashes.

[–] athairmor@lemmy.world 2 points 7 hours ago* (last edited 7 hours ago)

It’s “em dash” and there shouldn’t be spaces around it. FYI.

[–] GreatBlueHeron@lemmy.ca 4 points 20 hours ago (1 children)

I'm sure I've used some software that's auto corrected hyphens to em-dashes too, but I can't remember what.

[–] Jax@sh.itjust.works 4 points 16 hours ago

Outlook does

[–] GreatBlueHeron@lemmy.ca 19 points 20 hours ago (4 children)

For me the most obvious tell is using 16 paragraphs to say something that could have been said with 16 words.

[–] BlameTheAntifa@lemmy.world 2 points 10 hours ago

You just described the last two decades of cooking/recipe websites.

Dr. Ian Malcom: “SEO ruins succinct writing, AI trains on bloated SEO ‘optimized’ text, AI produces bloated SEO-optimized output…”

[–] VitoRobles@lemmy.today 2 points 12 hours ago

I find that a more human trait with writing.

People go on and on about nothing and have broken sentence fragments. AI tends to be "too clean".

[–] Aceticon@lemmy.dbzer0.com 4 points 16 hours ago* (last edited 16 hours ago) (1 children)

That's because you're probably not used to people from STEM areas who tend to be thorough rather than risk that some things might be mis- or not at all understood: the less one is sure about the level of knowledge or ability to keep up of those on the other side, the more thorough the explanation becomes.

Also the deeper you think about something the more elements there are to explain.

[–] GreatBlueHeron@lemmy.ca 3 points 14 hours ago

I have a STEM background myself and spent a good bit of my career writing (relatively poorly in my opinion) technical documentation. I understand what you're saying and I guess I didn't make my point very well.

I was hoping people would understand that I was referring to the enshitification of internet search results - where every search leads to pages of results of entire articles about very simple topics that say basically nothing. It seems obvious to be, though I admit I'm making an assumption, that the vast majority of these articles are LLM generated fluff attempting to lure people to pages to generate ad revenue.

[–] Manticore@lemmy.nz 7 points 19 hours ago (1 children)

I have ADHD and like en and em dashes. I've been known to use emoji points to make my 16 paragraphs easier to read.

Fortunately I think the constant personal tangents arr saving me

[–] GreatBlueHeron@lemmy.ca 3 points 17 hours ago

I get what you're saying, but I'll just clarify that my 16 paragraphs vs 16 words was about wordiness, not layout.

[–] SunshineJogger@feddit.org 4 points 15 hours ago* (last edited 15 hours ago) (1 children)

This stuff can also pip up if AI was merely used to spellcheck.

This list would be wrong way too often dude

[–] VitoRobles@lemmy.today 3 points 14 hours ago (1 children)

Not really. Spell check would only correct typos and grammar. It's still your style, your thoughts, your expression with the language.

If you're putting your whole essay into a AI tool, yeah... It's going to turn it into garbage with the list above. And that's on you.

[–] SunshineJogger@feddit.org 2 points 13 hours ago

AI is stupid and often does more than told, even if the text is short.

And replacing the hyphen would not be replaced

[–] CookieOfFortune@lemmy.world 1 points 11 hours ago (1 children)

So just add this to your prompt to not do these things? None of the items listed can’t already be handled by existing LLMs.

[–] funkless_eck@sh.itjust.works 2 points 8 hours ago

I have done this with work stuff. Doesn't always work.

[–] Balerion6@lemmy.world 71 points 1 day ago (7 children)

As a writer myself, I find this rather depressing. I use parallel sentence structure, group things in threes, use unusual-but-accurate words, and come up with my own metaphors because those are good ways to make your point. I'm also inclined to restate and overclarify things to minimize the chance of being misunderstood. I hate the idea of my writing being mistaken for AI slop. At least I type my em-dashes as --, which LLMs don't do.

[–] caseyweederman@lemmy.ca 2 points 11 hours ago

You can take em—dash out of my cold dead hands

[–] Randomgal@lemmy.ca 53 points 1 day ago

This is the issue. It's not that this is "LLM writing style". It is just formal writing. The thing is most people write like third graders, so these stick out with good reason, just not that 'it is AI'.

In general there aren't good ways to tell TBH. Literally giving it the command to 'not write like an AI' would make half of these disappear.

Having the AI edit a text for you would add some of these. Not because it is AI, but because that's proper writing.

[–] youngalfred@lemmy.zip 7 points 20 hours ago

Maybe you're actually a llm? And you're slowly learning to disguise that you are by using --

[–] TropicalDingdong@lemmy.world 9 points 22 hours ago

where do you think they learned it?

[–] TheAgeOfSuperboredom@lemmy.ca 15 points 1 day ago

I don't think it's necessarily just a checklist of things, but rather the way an LLM's output resembles these techniques that puts it into an uncanny valley of writing. As a writer, you use these techniques deliberately and thoughtfully. LLMs can't do that, so the output just feels off.

[–] TexasDrunk@lemmy.world 4 points 1 day ago

Same. I used to write articles for an industry mag and that's how I was taught to do it.

Some word processing apps automatically convert two dashes to an em dash. I've got that turned off right now.

[–] iAmTheTot@sh.itjust.works 2 points 23 hours ago (1 children)

"em dash" isn't hyphenated, fyi.

[–] HonoraryMancunian@lemmy.world 4 points 19 hours ago* (last edited 15 hours ago)

That feels like it should be ironic

[–] NoneOfUrBusiness@fedia.io 23 points 23 hours ago (2 children)
[–] bhamlin@lemmy.world 10 points 22 hours ago

It's not just true, it's a fact — we are all of us llms.

[–] MrMcGasion@lemmy.world 5 points 22 hours ago

Thought I might be one too, until the "tangents and nonlinear storytelling" as evidence of being human and the scene from Megamind where he goes "being bad is the one thing I'm good at" came to mind.

[–] Mothra@mander.xyz 26 points 1 day ago* (last edited 1 day ago) (2 children)

I thought it would be the semicolon, judging from the thumbnail. Now that would piss me off; I love semicolons, it would be unfair if they become the hallmark of LLMs.

I also appreciate the long dash but on mobile keyboard it's so awkward to find that nobody uses it for comments anymore.

[–] Balerion6@lemmy.world 10 points 1 day ago

Personally, I use the em-dash a lot, but I just type it as --.

[–] HonoraryMancunian@lemmy.world 2 points 19 hours ago

I also appreciate the long dash but on mobile keyboard it's so awkward to find

I find it's the opposite! I can't find it on OG keyboards which is when I use the double hyphen — on mobile I just long press the dash button to find it

[–] Michal@programming.dev 7 points 21 hours ago (1 children)

Good luck, the next rounds of training will iron these out and the line will continue blurring. These tips will flag a lot of false positives from educated people, and those comments are valuable. Maybe if you look for human-style mistakes you will have hope determining if comment was made by a human, like capitalisation, autocomplete issues, and typos.

It's much easier spotting AI in photos, videos and probably audio.

[–] SugarCatDestroyer@lemmy.world 1 points 15 hours ago* (last edited 15 hours ago)

You're right, they'll learn to disguise themselves perfectly over time. In this scenario, trusting strangers on the internet will be extremely risky and dangerous in the future if you know what I mean.

[–] metaStatic@kbin.earth 11 points 1 day ago (1 children)

literally any tell will be fed back into the models to make them harder to detect, I wouldn't be surprised if this is already being automated

[–] HonoraryMancunian@lemmy.world 0 points 19 hours ago (1 children)

Apparently GPT-4.5 has a 73% Turing test pass rate

[–] SugarCatDestroyer@lemmy.world 1 points 15 hours ago (1 children)

I wonder what you will say if this figure reaches 85-90% or more? :333

[–] Scubus@sh.itjust.works 1 points 12 hours ago (1 children)

75% is already huge, 85-90% would just be a marginal change from that. Considering ive been accused of being an AI many times, it leads me to believe that LLMs are already where they need to be in terms of writing format. We just need to work on hallucinations and then AI will start to become actually useful

[–] SugarCatDestroyer@lemmy.world 1 points 12 hours ago* (last edited 12 hours ago) (1 children)

Useful... This will likely become a threat, or probably already is, by collecting user data into a dossie that is stored in a database. Which will make it easier to predict the actions of a specific person. Although I don't have any hard evidence, but...

[–] Scubus@sh.itjust.works 1 points 12 hours ago* (last edited 12 hours ago) (1 children)

Oh absolutely. I take a tech-optimist appraoch when discussing new technologies, because the alternative is that everyone outside of the 1% dies in less than 20 years. That seems boring to discuss to me, especially since while i may be a techno-optimist, im also a political-realist. Hence I can see that no one (escept luigi) is actually going to do anything impactful before we all die, so there just doesnt seem to be much point in discussing it. But maybe im wrong, maybe someone will finally decide that maybe we shouldnt be allowing evil people to run the world. In that case the techno-optimist route seems more likely!

Edit: premptive little thought experiment for anyone wanting to disagree. Take whatever counter point you are about to make, and then ask what the results of that "good action" actually were. Likely a lot of nothing, regaurdless of how well intentioned it may have been. Trump is still president after all, and were still just as fucked. The same could be argued about luigi, it doesnt actually seem he achieved much. But hey, he did in fact get rid of one problem directly at the source, which is more than can be said for anyone else in the modern era afaik.

[–] SugarCatDestroyer@lemmy.world 2 points 12 hours ago* (last edited 12 hours ago)

Well, if you're familiar with the "right of the strong" and how power corrupts, then i think we really are going to die out soon... Also in the meantime, we can enjoy every day as if it were our last. Do you agree?

[–] Mwa@thelemmy.club 2 points 22 hours ago

Useful alternative not using a AI detector.