AI Detection ยท Posted by Matteo T ยท

Undetectable AI vs Phrasly vs StealthGPT comparison

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I spent the last two weeks testing everything I could find related to this topic and wanted to share my results with the community.\n\nI tested with three different text samples – a personal narrative, an argumentative essay, and a research summary. Each one was 400-600 words. All written by me without any AI assistance.\n\nThe differences between tools were much bigger than I expected. Some flagged my human writing as AI while others missed obvious AI content.\n\nAnyone have additional resources or experiences to share? The more information we pool together the better.

9 replies

9 Replies

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Quick tip for anyone self-checking - run your paper through the detector BEFORE you do any grammar corrections. Grammarly and similar tools can increase your AI score.

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I had a completely different experience with this. For me the results were actually pretty good but I think it depends on what kind of content you are testing.

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Totally agree with this. Same experience here.

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The fact that universities are spending thousands on these tools when the accuracy is this questionable is wild to me.

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Just went through this exact situation last month. Ended up having to do an oral defense of my paper which was actually fine because I wrote every word myself.

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Thanks for adding this perspective. Really helpful.

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As a TA I can confirm that the detection tools give inconsistent results all the time. We are told to use professional judgment not just rely on the numbers.

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I wonder how these tools handle collaborative writing. My program has a lot of group projects and the AI detection on those must be a nightmare.

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Quick tip for anyone self-checking - run your paper through the detector BEFORE you do any grammar corrections. Grammarly and similar tools can increase your AI score.