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5 Top AI and Plagiarism Checkers — Identify Both AI Text and Plagiarism

Review the top tools that offer both AI and plagiarism checker features so that you can check for potential instances of AI-generated content and plagiarism to speed up your editorial workflow.

Trusted By Industry Leaders
Trusted By Industry Leaders

Introduction

Our text compare tool is a fantastic, lightweight tool that provides plagiarism checks between two documents. Whether you are a student, blogger or publisher, this tool offers a great solution to detect and compare similarities between any two pieces of text. In this article, I will discuss the different ways to use the tool, the primary features of the tool and who this tool is for. There is an FAQ at the bottom if you run into any issues when trying to use the tool.

What makes Originality.ai’s text comparison tool stand out?

Keyword density helper – This tool comes with a built-in keyword density helper in some ways similar to the likes of SurferSEO or MarketMuse the difference being, ours is free! This feature shows the user the frequency of single or two word keywords in a document, meaning you can easily compare an article you have written against a competitor to see the major differences in keyword densities. This is especially useful for SEO’s who are looking to optimize their blog content for search engines and improve the blog’s visibility.

Ways to compare

File compare – Text comparison between files is a breeze with our tool. Simply select the files you would like to compare, hit “Upload” and our tool will automatically insert the content into the text area, then simply hit “Compare” and let our tool show you where the differences in the text are. By uploading a file, you can still check the keyword density in your content.

URL compare

Comparing text between URLs is effortless with our tool. Simply paste the URL you would like to get the content from (in our example we use a fantastic blog post by Sherice Jacob found here) hit “Submit URL” and our tool will automatically retrieve the contents of the page and paste it into the text area, then simply click “Compare” and let our tool highlight the difference between the URLs. This feature is especially useful for checking keyword density between pages!

Simple text compare

You can also easily compare text by copying and pasting it into each field, as demonstrated below.

Features of Originality.ai’s Text Compare Tool

Ease of use

Our text compare tool is created with the user in mind, it is designed to be accessible to everyone. Our tool allows users to upload files or enter a URL to extract text, this along with the lightweight design ensures a seamless experience. The interface is simple and straightforward, making it easy for users to compare text and detect the diff.

Multiple text file format support

Our tool provides support for a variety of different text files and microsoft word formats including pdf file, .docx, .odt, .doc, and .txt, giving users the ability to compare text from different sources with ease. This makes it a great solution for students, bloggers, and publishers who are looking for file comparison in different formats.

Protects intellectual property

Our text comparison tool helps you protect your intellectual property and helps prevent plagiarism. This tool provides an accurate comparison of texts, making it easy to ensure that your work is original and not copied from other sources. Our tool is a valuable resource for anyone looking to maintain the originality of their content.

User Data Privacy

Our text compare tool is secure and protects user data privacy. No data is ever saved to the tool, the users’ text is only scanned and pasted into the tool’s text area. This makes certain that users can use our tool with confidence, knowing their data is safe and secure.

Compatibility

Our text comparison tool is designed to work seamlessly across all size devices, ensuring maximum compatibility no matter your screen size. Whether you are using a large desktop monitor, a small laptop, a tablet or a smartphone, this tool adjusts to your screen size. This means that users can compare texts and detect the diff anywhere without the need for specialized hardware or software. This level of accessibility makes it an ideal solution for students or bloggers who value the originality of their work and need to compare text online anywhere at any time.

As AI content in Google continues to increase overall, a number of questions are coming to the forefront.

These are all questions that need answering. Further, they require an effective and reliable AI and plagiarism checker.

We’ve shared reviews on the best AI content detectors and the best free plagiarism checkers

This guide aims to look at tools that offer AI and plagiarism checker features so that you can check for both potential instances of AI-generated content and plagiarism to speed up your editorial workflow.

Check out these five top AI and plagiarism checkers to see which one best suits your specific needs.

Key Takeaways

  1. Originality.ai: Best-in-class and industry-leading AI detection and plagiarism checking
  2. Grammarly: Comprehensive writing support and guidance.
  3. Scribbr: Great for checking student and academic papers.
  4. Copyscape: A popular choice for checking websites for plagiarism.
  5. Turnitin: A good option for educational content.

5 Top AI and Plagiarism Checkers

Here are five of the most popular AI and plagiarism checkers. This list consists of a wide range of options, from pay-per-use tools to monthly subscriptions to modern and traditional plagiarism detectors.

1. Originality.ai

Links: AI Detection and Plagiarism Checking

Price: Pay As You Go and Subscription options. Learn more on our pricing page.

Best for: Best-in-class and industry-leading AI detection and plagiarism checking. 

When it comes to all-in-one AI and plagiarism checker capabilities, Originality.ai is a fantastic choice. Not only does it offer users a robust, high-quality plagiarism checker, but you can also check for AI content with the very same check.

With Originality.ai, streamlining your editorial workflow has never been easier. Conveniently detect AI content, plagiarism, readability, and fact-check at the same time!

Choose from a Pay as You Go or subscription pricing option to find what works best for you. 

Originality.ai’s AI and plagiarism checkers are industry-leading. Read our AI detection accuracy study and a meta-analysis of third-party AI detection studies to learn more.

2. Grammarly

Link: Grammarly Plagiarism Checker Review

Price: Free plans (doesn’t include all features). Premium options start at $12 per month (yearly billing).

Pros: Comprehensive writing support and guidance.

Another popular option for AI and plagiarism checking is Grammarly. The platform is easy to navigate, and you can conduct plagiarism checks with just a couple of clicks.

While you can create an account with Grammarly for free, you’ll need to sign up for a paid monthly membership to access the plagiarism checker, with prices starting at $12 per month. 

However, if you use the tool frequently enough, it offers good value, as it provides access to Grammarly’s spellchecker.

In addition to plagiarism checking, Grammarly also announced an AI detector as part of its suite of tools. We reviewed both Grammarly’s AI checker and plagiarism detector, here are a few highlights from the articles:

  • Originality.ai outperforms Grammarly in global plagiarism detection.
  • Originality also shows exceptional performance in AI detection in contrast to Grammarly.
    • We reviewed Grammarly’s AI detection capabilities with the RAID dataset.
    • Grammarly’s AI detector showed a low recall of 0.222 (22.2% accuracy).
    • In contrast, Originality.ai showcased a strong performance with a high recall of 0.848 (84.8% accuracy).
    • Learn more about Grammarly’s AI detector.

3. Scribbr

Link: Scribbr AI Detector Review

Price: Prices start at $19.95 for documents up to 7,500 words.

Pros: Checking student and academic papers.

Scribbr highlights that they are a top pick for editing or reviewing academic papers and offer services tailored to education.

While their free plan is limited, it does give you an idea of the user interface and capabilities of the Scribbr platform. If you are looking for a premium option, prices for Scribbr start at $19.95 to scan up to 7,500 words. This puts the price point for Scribbr as a bit more costly than other platforms on this list.

In addition to plagiarism detection, offered through their partnership with Turnitin, Scribbr also provides an AI detection feature. Read more about Scribbr’s AI detector in our Scribbr Review.

Interested in learning more about Originality.ai for educators? Check out our education page.

4. Copyscape

Link: Copyscape Plagiarism Checker Review

Price: Pay per use

Pros: Checking websites for plagiarism

Another pay-per-use option is Copyscape. While the user interface is outdated, its plagiarism checker is still a popular option for plagiarism detection. 

While they don’t highlight a specific AI detector on their homepage, Copyscape highlights that AI tools may replicate content already published elsewhere and advertises their premium tool as a way to identify these instances.

Copyscape also provides exact examples of plagiarism in its report, allowing you to identify the specific issues and fix them quickly.

In our recent review of Copyscape’s plagiarism detector, Originality.ai outperformed Copyscape in detecting global plagiarism

At the 5% threshold:

  • Originality.ai showcases 88% accuracy vs. Copyscape, with 68.5% accuracy. 

Note: A threshold in plagiarism detection refers to the percentage of content similarity at which a text will be flagged as plagiarised.

5. Turnitin

Link: Turnitin Plagiarism Checker Review

Price: Plans vary by product

Pros: Checking educational content.

In addition to Turnitin’s partnership with Scribbr, you can also access Turnitin’s suite of tools through their direct offerings. Turnitin offers multiple products including Similarity and iThenticate (for plagiarism detection), as well as AI detection tools.

Their plagiarism and AI checker are designed to check educational or academic content.

Final Thoughts

Overall, as AI continues to become integrated across industries, it is absolutely essential that you have a tool that can identify not only plagiarism but generative AI text as well.

As such, we highly recommend checking out the Originality.ai plagiarism checker and AI detector. Gain full clarity and transparency about content before you publish.

FAQs About AI and Plagiarism Checkers

What is a plagiarism checker?

A plagiarism checker is a tool or platform that can scan your content to identify how similar it is to other content that has already been published, such as in previously published content appearing in web search results.

How do plagiarism checkers work?

Plagiarism checkers work by comparing the text that you input with websites, articles, or publications to identify any similarities in wording, structure, and phrasing to previously published content. 

For each match found, a plagiarism checker will typically highlight it and provide you with a percentage score of how much of the content is getting flagged as similar.

Keep in mind that not all plagiarism checkers work in the same way. While some scan academic databases others specialize in web-search based plagiarism detection. Learn more in our guide on types of plagiarism detection.

Graeme Whiles

My name is Graeme, a passionate writer with a strong Content Marketing background. Over the last seven years, I have developed an extensive portfolio of SEO Content writing, helping various brands improve their organic traffic, customer experience, and, ultimately, profits!

Frequently Asked Questions

Do I have to fill out the entire form?

No, that’s one of the benefits, only fill out the areas which you think will be relevant to the prompts you require.

Why is the English so poor for some prompts?

When making the tool we had to make each prompt as general as possible to be able to include every kind of input. Not to worry though ChatGPT is smart and will still understand the prompt.

In The Press

Originality.ai has been featured for its accurate ability to detect GPT-3, Chat GPT and GPT-4 generated content. See some of the coverage below…

View All Press
Featured by Leading Publications

Originality.ai did a fantastic job on all three prompts, precisely detecting them as AI-written. Additionally, after I checked with actual human-written textual content, it did determine it as 100% human-generated, which is important.

Vahan Petrosyan

searchenginejournal.com

I use this tool most frequently to check for AI content personally. My most frequent use-case is checking content submitted by freelance writers we work with for AI and plagiarism.

Tom Demers

searchengineland.com

After extensive research and testing, we determined Originality.ai to be the most accurate technology.

Rock Content Team

rockcontent.com

Jon Gillham, Founder of Originality.ai came up with a tool to detect whether the content is written by humans or AI tools. It’s built on such technology that can specifically detect content by ChatGPT-3 — by giving you a spam score of 0-100, with an accuracy of 94%.

Felix Rose-Collins

ranktracker.com

ChatGPT lacks empathy and originality. It’s also recognized as AI-generated content most of the time by plagiarism and AI detectors like Originality.ai

Ashley Stahl

forbes.com

Originality.ai Do give them a shot! 

Sri Krishna

venturebeat.com

For web publishers, Originality.ai will enable you to scan your content seamlessly, see who has checked it previously, and detect if an AI-powered tool was implored.

Industry Trends

analyticsinsight.net

Frequently Asked Questions

Why is it important to check for plagiarism?

Tools for conducting a plagiarism check between two documents online are important as it helps to ensure the originality and authenticity of written work. Plagiarism undermines the value of professional and educational institutions, as well as the integrity of the authors who write articles. By checking for plagiarism, you can ensure the work that you produce is original or properly attributed to the original author. This helps prevent the distribution of copied and misrepresented information.

What is Text Comparison?

Text comparison is the process of taking two or more pieces of text and comparing them to see if there are any similarities, differences and/or plagiarism. The objective of a text comparison is to see if one of the texts has been copied or paraphrased from another text. This text compare tool for plagiarism check between two documents has been built to help you streamline that process by finding the discrepancies with ease.

How do Text Comparison Tools Work?

Text comparison tools work by analyzing and comparing the contents of two or more text documents to find similarities and differences between them. This is typically done by breaking the texts down into smaller units such as sentences or phrases, and then calculating a similarity score based on the number of identical or nearly identical units. The comparison may be based on the exact wording of the text, or it may take into account synonyms and other variations in language. The results of the comparison are usually presented in the form of a report or visual representation, highlighting the similarities and differences between the texts.

String comparison is a fundamental operation in text comparison tools that involves comparing two sequences of characters to determine if they are identical or not. This comparison can be done at the character level or at a higher level, such as the word or sentence level.

The most basic form of string comparison is the equality test, where the two strings are compared character by character and a Boolean result indicating whether they are equal or not is returned. More sophisticated string comparison algorithms use heuristics and statistical models to determine the similarity between two strings, even if they are not exactly the same. These algorithms often use techniques such as edit distance, which measures the minimum number of operations (such as insertions, deletions, and substitutions) required to transform one string into another.

Another common technique for string comparison is n-gram analysis, where the strings are divided into overlapping sequences of characters (n-grams) and the frequency of each n-gram is compared between the two strings. This allows for a more nuanced comparison that takes into account partial similarities, rather than just exact matches.

String comparison is a crucial component of text comparison tools, as it forms the basis for determining the similarities and differences between texts. The results of the string comparison can then be used to generate a report or visual representation of the similarities and differences between the texts.

What is Syntax Highlighting?

Syntax highlighting is a feature of text editors and integrated development environments (IDEs) that helps to visually distinguish different elements of a code or markup language. It does this by coloring different elements of the code, such as keywords, variables, functions, and operators, based on a predefined set of rules.

The purpose of syntax highlighting is to make the code easier to read and understand, by drawing attention to the different elements and their structure. For example, keywords may be colored in a different hue to emphasize their importance, while comments or strings may be colored differently to distinguish them from the code itself. This helps to make the code more readable, reducing the cognitive load of the reader and making it easier to identify potential syntax errors.

How Can I Conduct a Plagiarism Check between Two Documents Online?

With our tool it’s easy, just enter or upload some text, click on the button “Compare text” and the tool will automatically display the diff between the two texts.

What Are the Benefits of Using a Text Compare Tool?

Using text comparison tools is much easier, more efficient, and more reliable than proofreading a piece of text by hand. Eliminate the risk of human error by using a tool to detect and display the text difference within seconds.

What Files Can You Inspect with This Text Compare Tool?

We have support for the file extensions .pdf, .docx, .odt, .doc and .txt. You can also enter your text or copy and paste text to compare.

Will My Data Be Shared?

There is never any data saved by the tool, when you hit “Upload” we are just scanning the text and pasting it into our text area so with our text compare tool, no data ever enters our servers.

Software License Agreement

Copyright © 2023, Originality.ai

All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

  1. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Will My Data Be Shared?

This table below shows a heat map of features on other sites compared to ours as you can see we almost have greens across the board!

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