10 Best Free & Paid ChatGPT Plagiarism Checker Tools On The Market

Plagiarism is a serious issue in the academic and professional world, and with the increasing use of online resources, it has become more important than ever to ensure that your work is original. Thankfully, there are a variety of chatGPT plagiarism checker tools available on the market to help you detect and prevent plagiarism in your writing. In this article, we will explore the 10 best free and paid chatGPT plagiarism checker tools that are currently available, discussing their features, pros, and cons to help you choose the best option for your needs.

Looking for the best ChatGPT Plagiarism Checker tools?

The world of writing has changed since the advent of ChatGPT.

You can now generate pages of highly accurate text in seconds using ChatGPT—be it articles, scripts, or assignments. 

But alas, many institutions and readers aren’t too fond of AI-generated content, as it might affect the quality and trustworthiness of information.

That’s where plagiarism detectors come in. They ensure the content you use or create with ChatGPT is original and not present elsewhere on the web.

In this article, I’ll share with you some of the most reliable ChatGPT plagiarism checker tools on the market—both free and paid. 

Let’s dive in:

1. Originality AI: Best Overall ChatGPT Plagiarism Checker

Originality-AI-Plagiarism-Checker

Wondering if your content is truly original or generated using artificial intelligence? Originality AI is here to help. 

Designed for publishers, content marketers, and agencies, Originality AI is the go-to tool for detecting AI content in a wide range of formats. Just paste your content, and the tool will give you an accurate percentage of AI involvement and plagiarism.

Originality AI has one of the most accurate AI detection algorithms, with an industry-leading 2.5% false positive rate. It can detect content generated using GPT-3, GPT-4, Claude, Gemini, and Llama—whether it’s copy-pasted or rephrased using tools like Quillbot.

And it doesn’t end there. Originality AI also has a built-in plagiarism detector, fact checker, and readability analyzer that works in over 15 languages. You can also generate detailed reports of all these metrics to keep clients in the loop and ensure trust.

As for the interface, Originality AI has a super user-friendly dashboard. It supports large teams and includes a Chrome plugin for on-the-go AI detection and a “watch a writer write” feature for extra transparency.

Despite being the go-to tool trusted by industry leaders, Originality AI still comes at a budget-friendly price that most can afford. The basic plan comes with 2,000 credits, and each credit can scan up to 100 words for plagiarism and AI.

Key Features

  • Powerful AI Content Detection: Originality AI has a 99% accuracy rate and can detect AI content from multiple models like Gemini, GPT-4, and Claude.
  • Paraphrase Detection: This AI checker can determine if your content was rephrased using tools like Quillbot.
  • Plagiarism & Fact Checking: Each scan involves active fact-checking and a plagiarism report with highlighted sentences and citations.
  • Readability Scores: Originality examines how easy your content is to read and scores it according to industry-standard readability tests.

Pricing

You can test out Originality AI for free with their Chrome Extension and 50 credits (1 credit scans 100 words).

They also offer the following paid plans:

  • Base Subscription: $14.95 per month/2,000 credits
  • Pay-as-you-go: $30.00 one-time/3,000 credits

The base subscription credits have a one month expiry. The pay-as-you-go plan is a one time purchase with an expiry of 2 years. Both plans offer additional credits for $0.01 each.

Try Originality AI Here!

Want an in-depth review of Originality AI?

Check out our Originality AI Review: Is This AI Detection Tool Worth Trying?


2. GPTZero: Top ChatGPT Plagiarism Checker For Versatility

GPTZero-AI-Detection-Plagiarism

GPTZero is a beginner-friendly ChatGPT plagiarism checker with tons of use cases for various professionals.

Its basic version can detect AI-generated content from most GPT models, including GPT-4, Gemini, and Claude. The free trial allows you to scan up to 10,000 words per month, and you can install a Chrome extension to use the AI content detection tool on any webpage.

Once you switch to the paid version, the possibilities are endless. GPTZero has personalized AI detection models for teachers, students, writers, recruiters, and even ML engineers. Each lets individuals spot and eliminate AI content in their respective workflows and enhance efficiency.

GPTZero also has a smart scoring bar indicating the chances of a sentence/paragraph being AI or human-written. Users simply paste their text into GPTZero, and it highlights the parts it thinks are AI-generated.

Every document you scan through GPTZero is saved in a user-friendly dashboard. With just a few clicks, you can quickly scan content, view change history, and download reports from this dashboard.

GPTZero is currently used by over 2.5 million people and more than 100 organizations, including schools and businesses. With an excellent free plan and plenty of upcoming features, it’s a no-brainer for educationists and professionals looking for a versatile AI plagiarism checker on a budget. 

Key Features

  • User-Friendly Dashboard: GPTZero lets you run quick scans, see change history, and view AI Detection reports from one user-friendly dashboard.
  • Intuitive AI Scoring Bar: Users can conveniently view the probability of certain parts being generated by AI or Humans with a smart scoring bar.
  • Request & Monitor Edits: Teachers and managers can request and monitor writers during their edit sessions with full video-recorded highlights.
  • Dedicated Models: Whether you’re a student, recruiter, or ML engineer, GPTZero has dedicated models with intuitive AI features to assist your workflow.
See Also:  ChatGPT For Beginners: Your Quick & Easy Guide to Mastery

Pricing

GPTZero offers a free plan with a 10,000 words per month.

For more features, the following paid plans are offered:

  • Essential: $15 per month / 150,000 words
  • Premium: $24 per month / 300,000 words
  • Professional: $35 per month / 500,000 words

The upgraded words limits are on a per-month basis, with further exclusive features being offered.

Try GPTZero Here!

3. Copyleaks: Most Accurate ChatGPT Plagiarism Checker

Copyleaks-ChatGPT-Plagiarism-Checker

Copyleaks is an all-in-one AI-based content detection platform with a proudly claimed 99% accuracy.

Founded in 2015, Copyleaks has transformed from a plagiarism detection tool to a full-scale content optimization platform. Its intuitive AI content detector can scan your text for AI involvement across various models, including GPT-4, Gemini, and Llama.

You can scan text in 30+ languages, get line-by-line reports of possible AI intrusion, and compile them into detailed reports. Copyleaks doubles this by examining your content for duplication using its plagiarism detector that cross-checks from nearly 60 trillion websites.

A major advantage of using Copyleaks is its wide support for integration. Schools and colleges can seamlessly install Copyleaks into popular learning management systems (LMS) for quick AI and plagiarism detection.

This versatility and industry-leading accuracy make Copyleaks one of the best AI plagiarism tools for sustaining the originality and integrity of content.

Key Features

  • Massive Database: CopyLeaks has been trained since 2015 on a dataset of over 20k human-written papers to produce a false positive rate of less than 0.2%.
  • Multiple Content Detection: The tool can analyze multiple forms of content, including multimedia files, web pages, codes, etc.
  • Multilingual Support: Copyleaks can detect AI content across more than 30+ languages, including Swedish, Russian, Arabian, and more.
  • LMS Integration: It easily integrates with most LMSs, such as Moodle, Canvas, Schoology, and Sakai, for quick access to AI Detection.

Pricing

CopyLeaks has a short demo tool that lets you test its capabilities.

The paid plans start from:

  • AI Content Detector: $9.99 per month
  • Plagiarism Detector: $10.99 per month
  • AI + Plagiarism Detection: $16.99 per month

The above mentioned plans are limited to 100 credit with each credit equalling to 250 words.

The pricing for the plans varies based on number of credits required.

Try Copyleaks Here!

Want to learn more about this tool in detail? Head over to our Copyleaks Review: How Reliable Is This AI Content Analysis Tool?


4. Winston AI

Winston-AI-Detection-Platform

Winston AI is an outstanding tool for agencies and educationists to detect AI or Human+AI content with high accuracy.

One of the best things about Winston AI is its intuitive user interface. All you have to do is create a free account, paste your text, and select the type of content you’re examining. 

Unlike other tools, Winston AI also offers a “Human+AI” and “Human” option along with popular GPTs so you can test a piece of text for human input.

After the tool is done examining your content, it will generate what’s called an ‘AI detection map’ that scores your text for human input on a scale of 0-100. Each sentence the tool suspects is AI-generated will be highlighted accordingly. 

Besides this, you also get a plagiarism score and a readability score for a holistic overview of the originality/quality of your text. These features solidify Winston AI as a valuable tool for writers, educators, and web publishers trying to maintain originality in their work.

Key Features

  • Human+AI Content Detection: Winston AI can pinpoint AI-generated content even if it’s camouflaged with human-written text.
  • Highly Accurate Results: The tool uses an industry-leading detection model with 99.98% accuracy and regular LLM updates.
  • Detailed Analytics: Besides an AI Detection score, Winston AI also generates readability scores and plagiarism reports.
  • Chrome Extension: Winston AI comes with a Chrome extension so you can check for plagiarism and AI anywhere on the web.

Pricing

Winston AI has a great free plan that lets you use AI Detection for up to 2,000 words per scan.

The pricing for their paid plans starts from:

  • Essential: $18 per month/80,000 words
  • Advanced: $29 per month/200,000 words

Head to Winston AI’s website to check out the advanced features offered with their paid plans.

Try Winston AI Here!

5. ZeroGPT

ZeroGPT-AI-Detection-Tool

ZeroGPT is a free AI text detection tool with a strong focus on accuracy and a simple interface. 

It’s powered by their DeepAnalyse Technology and trained on over 10 million pieces of content. ZeroGPT claims their tool boasts an accuracy rate of up to 98% and a false positive rate of less than 2%. 

Using ZeroGPT is quite simple—just drop your text into the input box and hit the “Detect Text” button. The tool can smartly detect AI content generated using Gemini, GPT-4, Llama, and Claude. 

Once it’s done analyzing, the AI tool will give detailed insights ranging from “Human written” to “Most Likely AI/GPT generated” and even show you a gauge with the percentage of AI-generated content.

ZeroGPT also supports multiple languages, making it perfect for gauging multilingual text for AI involvement. Besides an AI detector, the platform also features an AI Paraphraser, Summarizer, Grammar Checker, Translator, and more. 

See Also:  7 Ways to Leverage AI in Social Media Marketing

All of these AI tools can be used for free within a certain character limit. To access more word capacity, you can upgrade to one of ZeroGPT’s premium plans.

Key Features

  • DeepAnalyse Technology: ZeroGPT claims its proprietary algorithm can identify AI-generated content with an accuracy rate of over 98%.
  • Multilingual Support: Analyze text for AI content in nearly all languages and dialects.
  • Highlighted Sentences: Get a sentence-by-sentence report of which exact parts are suspected of being AI-generated.
  • Batch Processing: Upload and analyze multiple files in the AI Content Detector and save time.

Pricing

ZeroGPT is free to use for up to 15,000 character in a single AI detection scan.

You can unlock more character limit with one of the following paid plans:

  • Pro: $9.99 per month
  • Max: $26.99 per month

Both paid plans give you access to 100,000 characters per scan, with the Max plan offering even more advanced features.


6. Crossplag AI Content Detector

Crossplag-AI-Content-Detector

Crossplag’s AI Content Detector is a handy AI and ChatGPT plagiarism checker tool that’s completely free to use. 

To use the AI Content Detector, you need only create a free account. The tool can currently handle up to 3,000 words at a time, scanning text for AI familiarity and scoring it on a scale of 100.

Crossplag built their AI detector by training a Machine Learning (ML) and Natural Language Processing (NLP) algorithm on 1.5 billion parameters and a huge dataset. While it’s not as precise as other paid ChatGPT plagiarism checkers, Crossplag still estimates how much AI-generated content is present in your text. 

Crossplag initially built the tool for schools and students to conserve academic honesty. For detecting AI-generated content, it currently only supports English, but more languages are on the way.

Key Features

  • Highly-Trained Algorithm: Crossplag’s AI Detection algorithm is trained on over 1.5 billion parameters to produce super-accurate results.
  • User-friendly Interface: The tool’s simple and intuitive interface is easy to use for digital novices and beginners.
  • Data Security: Crossplag takes measures to secure your data and follow the latest privacy and intellectual property rights.
  • Confidence Scoring: Review your text easily for AI-generated content with a confidence scoring system that grades each sentence from 1 to 100.

Pricing

The Crossplag AI content detector is completely free to use.


7. GPTRadar

GPTRadar-ChatGPT-Plagiarism

GPTRadar makes it a breeze to detect AI-written content. 

Go to their website, insert your text into the space provided, and hit “Analyze.” The platform suggests using at least 400 words for accurate results.

Once it’s done scanning, GPTRadar will present a percentage of how likely it is that the content is “human-written.” It detects AI content by using two metrics: perplexity and token probability.

To put it simply, perplexity measures how well the algorithm guesses the words after your sentences. A higher perplexity score indicates that AI content was used and vice versa. On the other hand, token probability measures the likelihood of AI using the same words you used in your content.

The free version of GPTRadar gives you 2,000 tokens to detect ChatGPT plagiarism per day. You can also buy more tokens for a minimal price. 

GPTRadar is an excellent tool for anyone who must comply with Google guidelines or professional agreements to avoid penalties for using AI-generated content without disclosure.

Key Features

  • Accurate AI Text Detection: GPTRadar uses OpenAI’s GPT-3 to run calculations and predict whether your text was AI-written.
  • Excellent Free Plan: GPTZero’s free plan offers tremendous value with a daily capacity to scan up to 2,500 words for AI-generated text.
  • User-Friendly Interface: The tool has an uncomplicated interface with a single text box and an easy-to-analyze reporting system.
  • Great Reporting System: Using perplexity and token probability, GPTZero makes it easy to read inspection reports of your scanned content.

Pricing

GPTRadar has a free version that offers 2,000 tokens (or 2,500 words) per day.

GPTRadar only offers a pay-as-you-go plan where you can purchase 100 tokens (equal to 125 words) for just $0.02.


8. Content At Scale

Content-At-Scale-AI-Detector

Content at Scale isn’t just a popular AI SEO Writing tool—it also has a cutting-edge AI detection tool. 

You can start using this tool for free by pasting up to 2,500 characters worth of content in the text box. Hit analyze and the AI detector will highlight each sentence in green, yellow, or red according to its probability of being AI-generated.

Content At Scale’s AI Detector uses their advanced ML and NLP algorithms to flag AI content with 98.3% accuracy. This includes text generated using models like Claude, GPT-4, Llama, and Bard.

But what’s unique about Content At Scale is it also provides an AI Humanizer tool. This is a tool that uses a mix of multiple AI engines to convert artificial-sounding text into human-like content within seconds.

Both of these tools go hand-in-hand and are available at an affordable price. With the two, you can bypass any ChatGPT plagiarism detector and uphold the originality of your text to evade unnecessary penalties from search engines or academic institutions.

Key Features

  • Advanced Scanning Interface: Content At Scale’s detector retains formatting and links so you can quickly analyze content without delaying uploads.
  • Precise AI-Detection Algorithm: With a 98.3% accuracy rate, Content At Scale promotes confidence while inspecting text for AI-generated text.
  • High Capacity: Scan your resumes, applications, and even short articles with ease thanks to the 10,000 max. characters scan capacity.
  • Smart AI Content Rewriting: Go premium and use Content at Scale to rewrite your AI-flagged text in a human-like tone and style.
See Also:  AI Marketing Automation Tips Every Marketer Should Know

Pricing

Content at Scale offers a free version with a 2,500 character limit for AI detection.

They also offer the following paid plan:

  • AI Checker + Generative AI: $49 per month

The paid plan allows full access to the AI Detector and the Generative AI tool and lets you scan up to 50,000 characters in one go.

Try Content At Scale Here!

9. Writer AI 

Writer-AI-Plagiarism-Checker

Writer AI is a full-stack generative AI platform for businesses to accelerate their writing workflows. And one of their best (free) tools is the AI Content Detector.

To use it, visit this link and paste the text/URL you want to scan. Their algorithm will then give you a percentage figure of how much human-generated content it contains. With Writer AI, you can inspect up to 5,000 words of text in one go.

Writer AI also offers an API to connect its AI Content Detector to your CRM or website. You can also utilize its AI writing tools and optimization features to increase efficiency and save valuable time.

Whether you’re on a marketing team, running your own business, or just need to check a blog post, Writer AI’s Content Detector is a superb tool to keep your content accurate and authentic.

Key Features

  • Highest Detection Capacity: Writer AI lets you scan full articles and research papers with a 5,000-word single-scan capacity.
  • Simple Reporting System: Get a percentage score of how much human-generated content is present in your articles.
  • Generative AI Platform: Writer AI is a full-stack platform that can generate multiple types of content, including full-length articles & product descriptions.
  • Link-Based Scanning: Copy and paste competitor links in Writer AI for seamless AI-content detection.

Pricing

Writer AI comes with a free AI Detection tool that lets you scan up to 5,000 words at once for free.

Their paid plans start from:

  • Team: $18 per month
  • Enterprise: Custom Pricing

10. Grammarly

Grammarly-ChatGPT-Plagiarism-Checker

Thought Grammarly was just for grammar and spell-checking? Think again. 

Grammarly’s plagiarism checker tool recently got an update that allows it to detect AI-generated text. 

Along with a detailed report of duplicated content that requires citation or revisions, Grammarly also highlights content that might be generated using AI.

Each plagiarism run also includes writing suggestions and grammar corrections, a core part of the Grammarly service. This feedback helps preserve authenticity in your text and prevents unnecessary penalties from Google or teachers for using AI-generated content.

You can test Grammarly’s plagiarism checker for up to 10,000 characters for free. However, if you want in-depth insights on potentially duplicated sentences, you need to upgrade to a paid plan.

Key Features

  • ProQuest Database: Grammarly uses a massive dataset consisting of billions of web pages for accurate plagiarism checking.
  • Match Flagging: The plagiarism checker flags sentences that match existing sources on the internet with a citation link.
  • Highlight AI Content: Grammarly can also highlight content where it thinks AI was used, making reviews easier.
  • Suggested Writing Improvements: Grammarly also suggests writing enhancements to improve content readability with each plagiarism scan.

Pricing

Grammarly Plagiarism Detector lets you scan up to 10,000 characters for free at once.

To get more detailed reports from their Plagiarism Detector, you can upgrade to one of the following paid plans:

  • Premium: $12 per month ($144 per year)
  • Business: $15 per month ($180 per year)

Both paid plans also give you access to their Generative AI Writer tool.

Try Grammarly Here!

Final Verdict On The Best ChatGPT Plagiarism Checker

These are the 10 best ChatGPT plagiarism checker tools available in the market today. But remember, picking the right one isn’t just about grabbing the first one you see.

When choosing the perfect AI detector, think about what fits your needs. Start by checking out a few options— plenty out there. Pinpoint the must-have features that make sense for your work, like multi-language support or easy integration.

Give a few a trial run by throwing both AI-generated and human-penned pieces at them. See how they handle the task and watch for any slip-ups with false alarms or misses. Aim for one that achieves accuracy without stretching your budget.

Want to make the most of ChatGPT and its capabilities to save time? Check out The 11 Very Best ChatGPT Plugins [GPTS] For Bloggers And Entrepreneurs.

That concludes the article: 10 Best Free & Paid ChatGPT Plagiarism Checker Tools On The Market
I hope this article has provided you with valuable knowledge. If you find it useful, feel free to leave a comment and recommend our website!
Click here to read other interesting articles: AI
Source: techfuzzy.com
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