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AI Detection · Posted by Chase P ·

GPTZero vs Originality AI: which should teachers actually use?

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Alright so I finally got around to doing a proper comparison and the results surprised me. Sharing everything below.\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\nCurious to hear from both students and teachers on this one.

GPTZero Originality.ai
12 replies

12 Replies

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This is why I always self-check my papers before submitting. Takes 5 extra minutes but saves so much stress.

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Totally agree with this. Same experience here.

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This is exactly what I needed to read right now. Going through something similar at my school and it helps to know I am not alone.

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Interesting take. I wonder if this varies by institution.

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Has anyone tried using multiple detectors and comparing results? I found that when two or more agree the accuracy goes way up.

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I had the opposite experience actually but I think context matters a lot.

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I tried three of these tools last week and my results were pretty close to what you found. The variance between detectors is honestly absurd.

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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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This needs to be higher up. More people need to see this.

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I tried three of these tools last week and my results were pretty close to what you found. The variance between detectors is honestly absurd.

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Really appreciate the honest review. Most content out there is just affiliate marketing garbage. This actually helps.

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This is exactly right. The nuance is important.