this post was submitted on 20 Oct 2025
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Are there any decent GPT-detection tools that can be run locally? (lemmy.dbzer0.com)
submitted 5 days ago by ggtdbz@lemmy.dbzer0.com to c/selfhosted@lemmy.world
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Basically what the title says. I know online providers like GPTzero exist, but when dealing with sensitive documents, I would prefer to keep it in-house. A lot of people like to talk big about open source models for generating stuff, but the detection side is not as discussed I feel.

I wonder if this kind of local capability can be stitched into a browser plugin. Hell, doesn’t even need to be a locally hosted service on my home network. Local app on-machine should be fine. But being able to host it as a service to use from other machines would be interesting.

I’m currently not able to give it a proper search but the first glance results are either for people trying to evade these detectors or people trying to locally host language models.

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[–] MartianSands@sh.itjust.works 62 points 5 days ago (1 children)

Be cautious about trusting the AI-detection tools, they're not much better than the AI they're trying to detect, because they're just as prone to false positives and false negatives as the agents they claim to detect.

It's also inherently an arms race, because if a tool exists which can easily and reliably detect AI generated content then they'd just be using that tool for their training instead of what they already use, and the AI would quickly learn to defeat it. They also wouldn't be worrying about their training data being contaminated by the output of existing AI, Which is becoming a genuine problem right now

[–] iii@mander.xyz 18 points 5 days ago

if a tool exists which can easily and reliably detect AI generated content then they'd just be using that tool for their training

Generative Adversarial Networks are an example of that idea in action.