Top Plagiarism Checkers AI & Rewriting Tools

Top Plagiarism Checkers AI & Rewriting Tools

Online artificial intelligence Literary theft Checkers There are various apparatuses that guarantee to identify artificial intelligence-produced content. The vast majority of these apparatuses depend on GPT-2 or GPT-3. The first model is a compressed one that was trained with only a small amount of data and works well with English but not with other languages. On the other hand, the second model is the largest and most powerful one at the moment. It is also used for ChatGPT and is multilingual. The top five AI-generated content plagiarism checkers are listed below.

1. GPT Radar

GPT Radar is one of the most outstanding instruments for recognizing man-made intelligence. It is based on GPT-3 Davinci, which can use text analysis and calculations based on metrics like perplexity and burstiness to determine whether the content was written by a human or a machine.

The first shows how confidently the model generates the next words, and the second shows how perplexity changes with each sentence to find common patterns. The degree of the model's confidence in the result can be seen in the accuracy percentage in the result.

The GPT Radar team is able to continuously improve the AI recognition model and, as a result, the user experience thanks to the feedback loop. The instrument costs $0.02 per credit (1 credit = 100 tokens ≈ 125 words), and the Programming interface is likewise accessible.

2. Originally.AI

Initially. The AI checker and AI detector can ascertain whether the scanned text was written using an AI tool. It was created by a group of experts in content marketing and GPT-3 for website buyers, content agencies, and publishers. They are able to search for instances of plagiarism, monitor the activities of the team, and determine whether the content of an entire website—not just one page—is original (this feature is coming soon). It can likewise recognize content composed with ChatGPT and GPT 3.5 (DaVinci-003) with similar precision as GPT-3.

Additionally, it provides APIs for incorporating AI detection into a custom tool or the content creation workflow. One credit scans 100 words, and pricing starts at $0.01 per credit.

3. GPT Zero

GPT Zero uses the same technology that was used to create Chat GPT, but its objective is to distinguish between content written by humans and AI.

The tool is constantly being improved. The GPT Zero team is developing a customized solution that will assist educators in using AI technologies responsibly, as stated on the website. The original version is currently and probably always will be free.

4. AI Detector Pro

AI Detector Pro is a tool for determining whether a piece of content was created by artificial intelligence.

Its calculation, prepared in light of GPT-3, GPT-4, and Poet, can show the likelihood that content was made utilizing artificial intelligence. It provides a comprehensive report that highlights which sentences are most likely to have been generated by AI, as well as the confidence level that it is AI-generated content, whether the content was copied and pasted from the web, and the source URL.

30 additional tools are also included. The price varies based on the plan you select and the number of features, such as the number of monthly reports you can run: from the free arrangement that gives just three reports to the limitless arrangement that costs under $50 each month.

5. GPTKit

GPTKit is an AI text generation detection tool that is free. It utilizes 6 unique simulated intelligence-based content identification methods, bringing about higher exactness.

It was created by preparing a custom model with north of 1 million datasets. Texts written by humans and those generated by ChatGPT are included in the dataset (50/50). Old news articles, Wikipedia pages, Reddit comments, and other sources are among these. Based on testing on a 0.1 million test dataset, the model is approximately 98% accurate.

The results, which include a report on the content's authenticity or reality rate, are then displayed to assist users in obtaining accurate results.

6. Turnitin

The academic community students, teachers, publishers, and researchers—is the target audience for Turnitin. It guarantees the inventiveness of understudies' work by uncovering even the most modern error and assisting them with growing groundbreaking thoughts, and it gives educators basic methods for assessing the material created and secure advanced tests taken disconnected. With its feedback and insights, it also ensures academic excellence and integrity for publishers and researchers.

The cost changes relying on the item you pick and the class it has a place with. To find out, you ought to contact the outreach group.

7. CopyLeaks'

It's an AI Content Detector that was developed with the intention of providing users with a tool that, with an accuracy of 99.12 percent, can determine whether the content was written with AI. Indeed, even those made with ChatGPT. You can use this tool for:

  1. In SEO, to avoid being penalized by Google.
  2. in the Scholarly world, to guarantee the trustworthiness and veracity of content composed by understudies and assessed by teachers.
  3. in distributing, to guarantee the creativity of books and articles.
  4. in reviews, to stop websites from posting negative and false reviews.

Additionally, it offers API and LMS platform integration. You can use it online by uploading and scanning text, or you can get the free Google Chrome extension to check news articles and posts on your favorite social media sites.

CopyLeaks' month-to-month or yearly expense relies upon the number of pages to be identified. Prices range from $10.99 per month for 100 pages to a bespoke plan for large websites.

8. Winston AI

Winston AI is a robust AI content detection solution designed specifically for education and publishing. The product breaks down a piece of content and perceives with 94% precision whether the text was made by computerized reasoning or a human. It can also check for plagiarism and determine whether the text was written using ChatGPT.

People who work in education, marketing, and content creation should use this tool.

9. Copyscape

One of the best AI plagiarism checkers is Copyscape, but its operation is a little bit different. Rather than filtering text inputs from the client, this instrument can examine whole site pages for you. To be more specific, CopyScape searches the internet for websites that have copied your content and displays those websites. CopyScape depicts itself as a device for organizations to see whether their substance has been taken. In any case, the help is thoroughly adequate at being utilized by people as well.


10. Content at Scale

Content at Scale can accurately predict the most likely word choices after being trained on billions of pages of data. This is one of the most incredible computer-based intelligence copyright infringement checkers and highly esteems utilizing an exclusive substance generator that takes advantage of different layers of computer-based intelligence parts. This makes it fit for going through a wide range of computer-based intelligence, including ChatGPT, to identify counterfeited content.

11. Plagibot

Plagibot is a man-made intelligence copyright infringement checker that permits clients to transfer different report types, including Word records, and PFDs, and the sky is the limit from there. The user interface of the AI checker is user-friendly because the company designed it that way. Plagibot scrapes the internet every hour to keep its database up to date.

12. Writer AI Content Detector

Writer AI Content Detector is a company that does AI writing in addition to detection, like other online services. However, its AI plagiarism tool is skilled at locating copied content. The instrument is easy to utilize and even has plans to accompany a committed application for the organization's different administrations.

13. Corrector App AI Content Detector

While not all of the apps on this list support all of the GPT models, the AI content detector in the Corrector app has extended support for all of them. Even the most recent GPT 4 model, which has only recently begun to be released, is supported. Moreover, this artificial intelligence text identification apparatus additionally utilizes relevant signs in text contributions to distinguish likenesses. Like other man-made intelligence counterfeiting indicators, anybody can involve Corrector for different necessities.

14. Writefull GPT Detector

The Writefull GPT Detector is one of the brand-new artificial intelligences (AI) tools that numerous online users have been utilizing to identify fake tweets. To find AI-generated texts, the GPT detector is a simple tool trained on a variety of datasets. The device chips away at the moment location, and you can involve it continuously.

15. Crossplag AI Content Detector

Crossplag's AI plagiarism checker can handle up to 1,000 words at once and is designed specifically to locate AI-written text in student assignments. Using the Open AI dataset, the content detector was trained on a refined RoBERTa model, which makes it very good at detecting copied text. Even though the tool is still in the testing phase, it still finds copied text quickly.

16. Sapling AI Content Detector

Sapling AI Content Detector, which employs machine learning to identify AI-generated content, is another excellent AI plagiarism checker that made our list. Sapling maps out the probability that the input was created by an AI or not using a token rather than a word. Despite its 97% accuracy guarantee, Sapling warns that some human samples may have been labeled incorrectly due to false positives.

17. Grammarly

Grammarly Despite the fact that you may believe that it is only useful for, well, checking your grammar, Grammarly lets you quickly check for plagiarism. Artificial intelligence (AI) techniques like machine learning, deep learning, and natural language processing are utilized in the tool. Not only does this help Grammarly improve writing, but it also improves copied text.

Even though plagiarism checkers are constantly evolving and improving, they are still unable to recognize everything.

  • Ideas and non-textual plagiarism

Plagiarism checkers frequently have trouble spotting ideas that have been completely rewritten or translated. They are also unable to assist with other forms of non-textual plagiarism, such as image plagiarism.

Counterfeiting of deciphered texts thoughts, pictures, or other non-text content is as yet an issue, and has similar results as more effortlessly distinguished copyright infringement.


  • Text from internal databases

The majority of educational establishments also have their own internal database with uploaded work from current and former students, in addition to the standard plagiarism checkers.

In most cases, no outside parties are given access to this database. This indicates that a commercial plagiarism checker will not likely be able to identify student plagiarism; rather, only your educational institution will likely be able to do so.

However, in order to more effectively identify plagiarism and other forms of academic dishonesty among students, educational institutions sometimes grant other institutions access to their internal database. Resubmitting a friend’s work as your own or self-plagiarism continues to carry the same penalties.

Scribbr’s Self-Plagiarism Checker can be of assistance if you are concerned about accidental plagiarism from private or unpublished documents, such as a previously submitted paper or a friend’s thesis. You can submit documents that are not available online but may still be in your university’s database using this tool.

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