this post was submitted on 29 Sep 2025
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[–] hypna@lemmy.world 7 points 3 days ago* (last edited 3 days ago) (3 children)

Now that is an interesting idea. Don't know if you're joking, but has anyone tried using an LLM as a TTRPG character or DM?

[–] RustyShackleford@lemmy.zip 7 points 3 days ago (1 children)

I actually have with ChatGPT, it’s the DM and playing for 6 other characters in the party. So far it’s working fine. But, the hate for AI is ridiculous though, downvotes for even using it.

Do what you want, there’s so many people who just downvote seeing, AI. If you wanna play before bed, on the train, or in the bathroom using it, it’s all cool.

[–] Harvey656@lemmy.world 7 points 3 days ago

I have used them as a trrpg DM, there's a model out there i think it's called Fantasy DM llm, but I could be remembering wrong, im not at home to check.

Boring, to say the least. It requires alpt of tlc, writing a full setup and world info with a lot of work, took several hours of writing to get about 30 minutes of delving before I ran out of context. I wouldn't call it bad, just unnecessary, I could find a whole group in that time or get real work done on a homebrew campaign.

That was last year, maybe a new dedicated model is out now, ill check it out and try again.

[–] stingpie@lemmy.world 6 points 3 days ago

This is an old project of mine. I made it a few years ago, so it's pretty out of date, but I can tell you my experience with it:

When I was playing around with it, characters tended to be very one-dimensional. They all had a single personality trait, and the AI made sure you knew about it. The particular way I set up the dialog system, multiple AI characters could interact with each other, but that ended up to very long conversations which quickly got off track and everyone forgot the original goal (which is a little bit too realistic) The AIs also found clever ways of speaking for other characters.

As for an AI DM, it just wasn't there yet. It didn't have the initiative to actually switch from one scene to another, and wouldn't create any NPCs to talk to. I often had to manually edit what the DM had printed so the session could move forward.

It was an interesting project, and my friends seemed to love it, but I think their love is mostly due to the custom characters I made for it.