GPTZero
Plagiarism
Freemium
★★★★☆
GPTZero's plagiarism checker identifies duplicated content by comparing text against billions of online sources.
Tools to find out if the text you're viewing is original, copied in any way, or even AI-paraphrased.
As AI writing tools evolve, plagiarism checkers must adapt to AI-paraphrased text.
Academic tools excel, but non-professional ones may struggle due to resource demands. Use caution and consider your use case.
These tools scan text against extensive databases, identifying matches and even (AI) paraphrased content.
Advanced versions generate reports with similarity percentages, highlighted matches, and source links.
Plagiarism checkers can be helpful for various user types:
In the future, AI could detect student cheating by comparing their usual writing style to submitted essays.
Deviations might indicate the work was bought from a writing service, and this would help teachers spot non-original content.
We have tested over 150 AI detectors, building strong industry knowledge and connections along the way.
Our methodology ensures fair comparisons across all tools. We are unbiased and recommend only tools that meet our strict criteria.
