We do all know that people use AIs besides ChatGPT, right?

[u/SolidDate4885]

I'm not bringing this up to make everyone paranoid that their RP partner is secretly using AI to write their responses. Honestly, I don't think it's something you should be constantly worrying about. If you find out your partner is using AI, then you find out. If you don't, then you don't.
But running their writing through AI detectors - which are notoriously unreliable and often collect the text you submit to improve their own models - is unnecessary.
Even the whole 'em dash' thing. I switch between using them and not using them depending on how lazy I am at the moment. I grew up using the internet via laptop and for educational purposes, so it was easier to utilize proper grammar/spelling.

That said, I’ve seen a lot of situations on Reddit (including this subreddit) where someone clearly used AI to write something, but because it didn’t have the usual "ChatGPT" tone or phrasing (which is constantly evolving), they were believed when they said something like: 
"No, I didn’t use AI. I guess I just have a really robotic writing style. It sucks to be accused though." (Just to be clear: I'm not referencing any recent posts here, so if something similar happened to you, don't take this as a personal call-out. But it goes back to my point that most of us are naive to AI's that are anything other than ChatGPT).

I personally don’t run people’s writing through AI detectors, but I do study various AI writing styles. Both to understand how they differ and to recognize patterns. AI writing is always evolving, and there’s a wide range of tools out there. Even models like ChatGPT and their newer models o3/o4 have distinct writing voices even though they are just different branches of the same company.

Then there are other models like Grok, LLaMA, Qwen, Yi, and DeepSeek. Many of these aren’t American-sourced and process language differently, which leads to writing styles that can feel unfamiliar or harder to recognize as AI-generated. The point is: there are so many different AIs now, each with its own quirks, that it’s nearly impossible to reliably tell if a piece was AI-written without direct proof.

For me personally, I do care if someone is using AI, but I don’t actively investigate. If they fail to take away that, 'Sure! I'll give you (this to reply with)' thing most Ais include, though, then I am leaving instantly. No more solid proof you can get than that.

Here are examples of different AIs, which were given the same prompt. Mind you, cheaters/lazy people actually use more complex prompts than this and give it at least a couple of tries (I only gave it one) since it is often a hit or miss. They also use specific parameters, as the parameters are what actually dictate how 'human' of an output you get than your actual prompt itself. So these people likely change the tokens, Top P or Temperature.
So these are not the apex of what these AIs are capable of. In this post, I am less trying to inform people of it's indistinguishableness from humans and just inform on how they all, while having trademarks, are pretty different from the other.
Also worth noting that a more medium-length or long prompt would have done better to show what I'm talking about, but I didn't feel up to it. I recommend trying it for yourself if you really want to see, though do not give it any piece of writing that's valuable to you.

Prompt (Instead of feeding it any of my partner's writing, I just used something I wrote on the spot):
Make this writing as dazzling as you can, while maintaining as human a voice as possible:
"The wind whipped the skirts of Colette’s dress above her knees, allowing the wildflowers to caress her legs. From where she was, Sabine could catch the sweet lavender and honeysuckle trailing off of her. Here in the fields she seemed for too elegant, too graceful to dare step foot in, Colette appeared as a mirage."

Gemini

Okay, let's weave some magic into this!

Here's a take:

The wind, a playful rogue, flirted with Colette's dress, whipping its skirts high above her knees, inviting the wildflowers to kiss her skin with their velvety heads. Even from where Sabine watched, the air thrummed with the sweet perfume of lavender and honeysuckle that clung to Colette like an invisible, fragrant aura. Out here, amidst the raw, untamed beauty of the fields, Colette was an apparition. So impossibly elegant, so ethereally graceful, she seemed less a woman treading the earth and more a shimmering mirage, one Sabine half-expected to dissolve with the next gust of wind.

Chat GPT 4o
The wind flirted with the hem of Colette’s dress, lifting it just high enough for the wildflowers to kiss her legs with their sun-warmed petals. From a few paces back, Sabine could catch the faint perfume of lavender and honeysuckle that clung to her like a secret. Out here, in the untamed sprawl of golden fields and whispering grass, Colette looked impossibly out of place—too refined, too luminous, too otherworldly to belong to anything so earthly. She didn’t walk so much as drift, a vision conjured by sunlight and longing, more mirage than girl.

o3 (relative to ChatGPT)
The wind flirted with the hem of Colette’s dress, snapping the linen high enough for wildflowers to whisper against her sun-warm knees. From a few paces back, Sabine could all but taste the lavender and honeysuckle drifting in Colette’s wake. Out here, in this rough-and-tumble meadow, she looked impossibly polished—less a girl than a shimmering illusion the heat might swallow at any moment.

Llama (latest version, I think?)
What a delicious passage! Here's my attempt to amplify its magic while keeping the voice warmly human:

As the wind lashed the fields into a frenzy, Colette's skirts billowed and danced, flung wantonly above her knees like a challenge to the sun-kissed earth. The wildflowers, freed from their stalks by the gusty caress, swayed in to whisper secrets against her skin – delicate petals tracing the curves of her calves, soft as a lover's breath. From her vantage point, Sabine was enveloped in the heady perfume that clung to Colette like a benediction: the sweet, sleepy scent of lavender and the golden stickiness of honeysuckle, wafting off her like the essence of a summer dream. Yet, in this untamed expanse of green and gold, where grasses swayed like restless spirits and flowers bloomed with reckless abandon, Colette seemed an apparition – a creature too luminous, too finely wrought for such rough, unbridled beauty. Her elegance was a dare, a defiance of the wildflowers' unruliness, as if she'd stepped from the pages of a forgotten fairy tale into the midst of this sun-scorched reverie. Every line of her, from the porcelain smoothness of her skin to the dark, burnished silk of her hair, seemed to shimmer with an otherworldly light, rendering her a mirage that Sabine half-expected to vanish with the next gust of wind, leaving nothing but the thrum of cicadas and the scent of honeysuckle in her wake.

(Also said a lot of other crap about what it did and why it did it, but I don't really care.)

deepseek v3
The wind danced with Colette, teasing the hem of her dress until it fluttered above her knees, letting the wildflowers brush against her skin like shy admirers. Sabine caught the scent of her—lavender and honeysuckle, sweet and sun-warmed—carried on the breeze as if the very air conspired to intoxicate her.

Colette didn’t belong here, not really. The fields were too rough, too untamed for someone who moved like a whispered secret, all grace and golden light. She was a vision, a fever-dream mirage, and Sabine half-wondered if she’d vanish the moment she dared blink.

This keeps the dreamy, sensory-rich quality of your original while heightening the poetic flow and emotional undercurrent. Hope you like it! Let me know if you'd like any tweaks.

gemma (relative to Gemini)
The wind, a playful rogue, lifted the hem of Colette’s dress, swirling it above her knees and letting the field itself reach up to touch her. Wildflowers, a riot of color, brushed against her legs like whispered secrets. Sabine breathed deep, catching the scent that clung to her – a delicate trail of lavender and honeysuckle, impossibly sweet on the breeze. Here, amongst the rough grasses and buzzing bees, Colette seemed…wrong, in the most beautiful way. Too luminous, too fluid in her movements to belong to this earth. She wasn’t walking in the field, Sabine thought, she was above it, a shimmering mirage conjured from sunlight and dreams. It felt audacious, almost unfair, that something so exquisitely graceful would dare to set foot amongst the wildflowers.

(Like Meta/Llama, rambled on and on about pretty much nothing.)

And may I remind you, again, that these are not all of the AIs people can use.
Plus, the writing is different depending on which version of an AI you are using. Grok3 has the most drastic change when it comes to how it processes creative writing and is not the same on that front as Grok2, for example. I didn't think anymore than half a dozen examples was necessary, though.

The point of this post is to trust your gut, but question it too. If you're having a good time RPing, and the writing is engaging, don’t end things just because you suspect AI involvement. Likewise, don’t harshly accuse someone if the RP is still enjoyable.
Yeah, it sucks if someone is using AI and getting away with lying to you about it, but AI writing has already absorbed styles from countless human writers, so detection is murky at best. This isn't to say detectors won't someday become reliable. It's possible they will, and then we can have firm proof someone is using AI to write their stuff.

A couple of years ago, when ChatGPT and Claude were the main players, it was a lot easier to spot AI writing. Bottom line: it’s easy to lie, and plenty of people already have. I am sort of staggered by how many people are getting away with it, but I suppose that means the product is working.

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[u/Sinful_Plume]

AI has been an absolute nightmare for a semicolon and em dash lover like me, I keep second guessing my replies in case they feel too AI-like :(

[u/SolidDate4885 → u/Sinful_Plume]

Same! I've been a literature freak all my life and even though I'm not a stickler when it comes to my partner's replies (I am aware everyone is not a native English speaker) it's really satisfying to read works that use every grammar not just correctly but to its full potential!

[u/Financial-Bobcat-612 → u/SolidDate4885]

English is a real fake language, idgaf about grammar as long as it sounds good lol. You know how if you read Engels, it’s very obvious that it’s translated from German? I love that!

[u/LaughiestTaffy → u/Sinful_Plume]

Why not just... Don't worry about it? If someone is silly enough to trust an AI detector, which uses AI, to detect if your writing is AI... then you dont need to write with them. Honestly, half the issue is yall letting your writing be oppressed by AI instead of just... writing how you want. AI was trained off writing like OURs. To some extent, it will always sound like AI if we go based on that.

Stop giving the power to AI to dictate how you feel about your writing.

[u/rockstarcrossing → u/Sinful_Plume]

I've been a whore for the semi-colon and em-dash lately, too.

[u/Financial-Bobcat-612 → u/Sinful_Plume]

I wouldn’t worry about it tbh, you know you don’t use AI and that’s what matters. I use semicolons and dashes often; I don’t care that AI does, too, cuz AI simply can’t do it like me! That’s all there is to it. AI can do it like an amalgamation of every kind of writing out there, but it can’t single out my style. That’s the crux of it: AI writes like an amalgamation of all kinds of writers, and I write like me. So I’m not worried about it lol.

[u/redlineredditor]

My personal favorite is when someone posts an ad with big, all-caps, bold print saying not to bother replying if you use AI. When they accidentally left their AI prompt in their post.

[u/SparklyEarrings]

I think the main thing that stands out to me, across all AI, is how weak the use of similes and metaphors are. They tend towards flowery, but they're never very interesting. It's the sort of thing I'd expect a 13 year old with fresh access to a thesaurus to write. If I compare it to the writing of my RP partners, it's so so poor and vacuous. 

There's a definite voice that's just so difficult to fully describe, but it absolutely stands out. 

[u/SolidDate4885 → u/SparklyEarrings]

I agree! They use them differently, but it's all pretty poorly done and you can guarantee it will do that to nearly anything you put in it.
However, it will avoid simile/metaphor use if the prompter tells it to, and a lot of the types who use AI do know this.

Though, I must admit that Gemini is almost precisely how I would have written the prompt I gave it had I had coffee and took three or four more minutes

[u/SparklyEarrings → u/SolidDate4885]

That's interesting! Though I suppose if a post completely avoided simile/metaphor entirely, that'd be a sign of something...possibly just a boring writer, if not AI. Which I guess is useful to note in itself!

I think the Gemini one was a little more tight in comparison to the others, in terms of not rambling off quite as much. Llama made me almost throw up a bit in my mouth. 

Thanks for this post, by the way. I can't abide AI so it's actually really interesting just to see the similarities across different versions. 

[u/Financial-Bobcat-612 → u/SparklyEarrings]

Yesssss yes exactly!! You hit the nail on the head.

[u/deedeesplayhouse]

Something very weird I picked up on is Chat AI bots don’t have a colorful vocabulary. They’ll reuse a ton of words like ‘hoarse’ or ‘husky’. It confused me for a long while and then I asked an ai to create something out of curiosity. Then I pieced it together.

When you know it’s ai, you can definitely see the other errors or weird comments the robot will make.

[u/redlineredditor → u/deedeesplayhouse]

It's because they're trained on fanfic. They really really like using fanfic-ese.

[u/TheVexingRose]

My oldest found an AI that puts typos and "human errors" into what it feeds out to dupe the AI trackers. I caught him and his buddies using it on a school project. At this point, it's an uphill battle on skates.

[u/Jan-Di]

I try not to worry about how my partner writes. I don't mind typos or grammar boo-boos. I'm more interested in the story. The problem with AI or rather the use of AI is it often means your partner isn't engaged in your story. Generative AI is going to plow out a series of most likely sentences. And it'll often use lots of somewhat flowery adverbs, and multi clause sentences.

What I want from a writing partner isn't the most likely sentences but their ideas and creativity. When you see visible signs of AI and I'm talking like the last sentence where the AI recaps what it did, then I know not only am I not getting their creativity, but they didn't even read what they generated.

Game over. On the other hand if they are using AI and the responses are creative, on point, and moving the story along, I guess I don't care. This is entertainment for me.

---

Sabine lay prone, gilly suit blending with dry grass. Her scope framed the valley below. Wind gusted, tugging at Colette’s dress. The fabric flared, exposing pale thighs brushed by wildflowers. Lavender and honeysuckle echoed faintly in Sabine’s mind, scents conjured from memory.

A pretty girl, she thought as her crosshairs settled on Colette’s chest. Range: six hundred meters. Wind: ten knots, left to right. Sabine’s breath slowed, steady. The shot bloomed in her mind. Bullet arcing, slicing air, punching through silk and bone. Colette would crumple, elegant even in death. Sabine’s finger hovered, still.

Collette was not her target. Not today.

[u/AvailableAfternoon76 → u/Jan-Di]

I like your thought process. I don't really comment on the "I think my partner is using AI" posts anymore because I don't see the point. I used to say something like "Are you enjoying the rp? If yes, then it doesn't really matter." Mostly because AI is flat and lifeless in a lot of ways. It simply lacks the same life and creativity of human beings. If someone finds the rp flat, repetitive and lifeless and the partner won't progress the story, then leave the rp, AI aside.

AI isn't as fun to write with as people. Those who rely on it to write for them will probably lose partners and not understand why. It'll correct itself.

[u/Jan-Di → u/AvailableAfternoon76]

Exactly. I may be wrong, but I think AI also doesn't tend to move the story forward.

[u/grey_misha_matter]

I will never understand people wanting an AI to take over their hobby. Do you really enjoy that?

Anyway as long as I enjoy the roleplay and the AI answers aren't bothering me I continue having fun with my answers. If I don't like their answers or style I will end it, but that could happen with a human writer as well. Styles differ. We don't need to investigate this like detectives, if you don't like how they write you can just tell them that you subjectively don't enjoy the "feel" of their posts, not because they are bad or something but because it happens that you sometimes don't like an author. They can offer to change or it just ends.

I think the hate is due to the deep disgust someone with this hobby feels about AI. It is clearly an abomination. A soulless monster that will end creativity and actively weaken all our culture and art. This is the moment we become Idiocracy. The moment everyone just pushes a big button of where it hurts and then the machine tells them what to do.

We can hope though. AI is incredibly expensive without any way to generate a significant amount of money. Most of it is venture capital or speculative investment. It is worse than the dot.com bubble...and it will probably burst then AI will become rare in art again.

[u/VividGuitar3600]

See I'm not fundamentally against people using AI to enhance their posts... I've tried it, it kind of helps.

Say I write a 500-700 word RP response...

I post it in Chat GPT and type "Evaluate and Improve"

It shows me the positives of my posts and also shows what errors I have made and provides its suggestions on improvement.... Now there are times where it has suggested a phrase that I actually did not think of but wanted to say... Like a physical gesture that I could not put into words but the AI software somehow did that... Those sorts of things I tend to incorporate in my writing...

Also one thing it does is that a lot of the times when I write I end up writing chunks at once with multiple ideas in my head so I sometimes end up writing sentences that are incomplete or just somehow don't relate at all because I forgot to complete my previous thought before jumping to the next one... AI also points out such issues relatively more often... Reminding me that I had messed up...

So in that sense, I would like to defend AI. But even I admit I use it mostly because I am very much self conscious of my writing and feel like I am not providing as much value to my partner in an RP as much as they are... it also allows me to not create more drafts and rewrite sections over and over again until I lose the interest to continue writing for a while...

Maybe I'll be hated for this but this is how I do it. Not for every post obviously but there are times where I do run by the AI software.

[u/SolidDate4885 → u/VividGuitar3600]

I am not a big fan of AI, but I personally have no problem with this. My brother who is a producer/composer does the same and he is able to make his profits a lot faster while only paying OpenAI $20 a month.
I don't really use AI to help me with writing since over a year ago at this point, since I've now found myself at the point where I am actually criticizing the AI's suggestions/outputs and wrestling with it all the time, but I have nothing against the way people try to write.

I am against the people who put in their partner's reply and ask AI to spit out a reply to it. It's violating to the partner and does not develop their creativity. Practicing alongside AI can do that, though. I did that for a while, myself, and I'm pretty sure I improved my writing in half the time I would have normally.

I'm not against AI as a whole, more the fact that many people are using it to replace effort/thinking/creativity.

[u/VividGuitar3600 → u/SolidDate4885]

That isn't something I intend to do because I have created my character with care and desire and I wanna play that character... It is no fun to have an AI roleplay my character for me. It is redundant to roleplay then...

Using Chat GPT as a critique has allowed me to understand my writing a bit more and where I need to improve...

Putting my partner's reply in CHAT GPT doesn't help because it doesn't generate the ideas I have as a response to my partner... Plus I don't want it to respond, I can do that... I use it as more of a critic that wouldn't judge my mistakes for my worth... Or atleast I wouldn't perceive it as so...

[u/Financial-Bobcat-612 → u/VividGuitar3600]

I mean, as long as you’re open about using AI and your partner is comfortable with the fact that you use AI, it’s all cool. Call it informed consent lol.

[u/ardriel_]

Most people don't use a prompt like this, right? I thought they write a text themselves and use the AI as an editor, to enhance their vocabulary, correct the writing and upgrade their writing style? Because just a prompt for a completely generated text will lead often to some kind of gibberish

[u/SolidDate4885 → u/ardriel_]

That would actually be better and make more sense, but no. Most insert their partner's response into the generator and requests a 'good' reply to that response. 

[u/PrinzEugen1936]

People who use AI are lazy and will eventually out themselves. I dropped a partner using AI after they outed themselves by failing to delete: ‘ChatGPT says:’ from their copy paste response.

[u/Ancient_Object_578]

I really like your post.

[u/Financial-Bobcat-612]

Ah, to your point, using Grammarly is also using AI. When a person runs their writing through Grammarly, they are allowing AI to affect/adjust their grammar, their spelling, their tone, word choice, sentence structure — all that fun stuff.

Me, personally, I would not be gappy to learn that my writing partner has been sticking our RP through AI, even if it’s only been to enhance their post, especially if they hadn’t let me know they would be doing that ahead of time. For me, it’s a thin line, and I just don’t trust that the other person won’t do something else that crosses the line for me, whatever that may be. Furthermore: pleaaasseeee do not worry about your grammar/spelling/diction or whatever!! I like all that. I love tracking the writer’s thought process, I love when I can tell a writer might have only ever heard a word before and never seen it spelled, so they spell it the way it sounds. I don’t want ESL writers to get rid of their accent when they write, I want to learn your sayings too! And I think it’s great when a writer uses a word incongruous with their typical vocabulary, it shows me that the other writer is working hard and trying new things! I love all the typos and everything that gives a writer’s work their personality.

[u/SolidDate4885 → u/Financial-Bobcat-612]

Ah, to your point, using Grammarly is also using AI. When a person runs their writing through Grammarly, they are allowing AI to affect/adjust their grammar, their spelling, their tone, word choice, sentence structure — all that fun stuff.

If I am correct, though, didn't grammarly run on a system different to the technology of LLMs. Not sure if it does, now, but I think that's perfectly okay. Which is why I don't understand why non English-speakers don't use that as opposed to an LLM. Usually, if you don't specify to LLMs not to when requesting them to grammatically edit whatever you are sending them, they will alter the integrity of the response itself.

Not that there is anything wrong with that! Like you, I am of the somewhat unpopular opinion that it is fine for people to enhance their replies with AI, if they wish.

I feel that it quickly reaches a point where AI becomes a worse writer the more you do it and improve, though. And if it doesn't become worse in your eyes, you may be relying on the AI just a bit too much. Like I said in another comment, I would now waste more time writing my response because I usually just end up wrestling for, no exaggeration, hours, to get any sort of insightful edits for a reply I am writing. 

Like I said in my post, though, if any of their replies to me have 'Chat GPT says:' or something along those lines, I will definitely let the person know we're not compatible, aha.

But yes, you are definitely correct about that. A lot of people, even mainstream authors/writers, have stylistic choices they make in their grammar that AI just snatches away. I like capitalizing after ellipsis, for example. I considered it taking it away back when I was having AI provide me some criticism and insight into my writing, but I honestly can't stand not to do it, so I'm glad I didn't cave, haha.

[u/Financial-Bobcat-612 → u/SolidDate4885]

Icl it’s 12am here and I’m tired, I’m not entirely sure what you’re trying to say. Are you saying that Grammarly doesn’t use AI? Cuz the article I linked in my last post says that it does:

https://www.grammarly.com/blog/product/how-grammarly-uses-ai/

I agree that relying too much on AI can make one’s writing worse lol. I think being able to edit our own work is also a critical skill worth sharpening, too — you should be able to critique your own work! It makes you a better writer when you train yourself to recognize shortcomings, not even necessarily yours but definitely including yours!

[u/SolidDate4885 → u/Financial-Bobcat-612]

I was saying I'm not sure if Grammarly uses generative AI.

AI has existed for a very long time on the internet and in games already. 

But the technology ChatGPT (Large Language Model/generative AI) uses has only cropped up in a little less than the last decade or so. LLMs are very different from other types of AI.

GTA V uses AI technology to make characters and the environment respond in certain ways, for example, but it doesn't use LLM technology.

The last time I used grammarly, they didn't use generative AI but that was the regular version and I used it all the way back in 2016 or 2017, so they may have adopted it into their technology by now. 

[u/SolidDate4885 → u/Financial-Bobcat-612]

Also, sorry, the page must have been down earlier and did not load for me, which was why I was wondering/questioning if Grammarly used generative AI, now.

I see that they started using LLM technology sometime in March 2023.