Alternatives to DetectGPT

Compare DetectGPT alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to DetectGPT in 2026. Compare features, ratings, user reviews, pricing, and more from DetectGPT competitors and alternatives in order to make an informed decision for your business.

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    PlagiaChecker

    PlagiaChecker

    PlagiaChecker

    PlagiaChecker is an online plagiarism checker for writers, editors, students, researchers, teachers, SEO professionals, publishers, agencies, and ecommerce teams. Users can paste text, upload supported documents, or import public webpage content to check for matching wording. Reports show similarity scores, matched words, highlighted passages, source links, and section-level details. Registered users can also access previous scan history, while Pro users get API access for higher-volume content review workflows.
    Starting Price: $11.90
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    WordBinary

    WordBinary

    WordBinary

    WordBinary is an academic integrity and writing support platform for students, researchers, educators, institutions and content teams. It combines AI text detection, plagiarism checking, grammar review, source code similarity detection and self-plagiarism analysis in a workspace. Users can upload documents, view percentage-based results, inspect highlighted passages, identify matched sources and download PDF-based reports for review or record-keeping. WordBinary supports responsible decision-making rather than replacing human judgement, making it useful for assignments, dissertations, research papers, articles, reports and institutional workflows. Its multilingual capabilities, credit-based access and user-friendly interface help people evaluate content efficiently without relying on separate tools. By combining transparency, affordability and reporting, WordBinary provides a dependable solution for improving originality, writing quality and confidence before submission or publication.
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    Plagiarism Checker Plus
    Plagiarism Checker Plus is a plagiarism checker and AI detector for students, teachers and writers. Paste your text to see which passages match other sources, with a link to each one, and which sentences read as AI-written. Both checks run in one report. It also includes a grammar checker and a citation generator. The first check is free with no sign-up, up to 1,000 words, and a free account includes 3,000 words a month.
    Starting Price: $4.99
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    TextShift

    TextShift

    TextShift

    TextShift is an AI-powered content platform offering AI detection, text humanization, and plagiarism checking with 99% accuracy. Features include 14 writing tools: AI Detector, Humanizer, Plagiarism Checker, Grammar Checker, Paraphraser, Summarizer, Translator, Citation Generator, Word Counter, Readability Checker, Tone Analyzer, Text Comparator, Outline Generator, and Title Generator. Designed for content creators, students, marketers, and businesses who need to ensure their content is original, human-quality, and free from AI detection flags.
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    Crossplag

    Crossplag

    Crossplag

    The most advanced & affordable plagiarism-checking tool. Our plagiarism detection tool helps students, teachers, writers, and bloggers ensure originality in their work by comparing each writing with more than 100 billion texts worldwide.
    Starting Price: $9.99
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    Passed.AI

    Passed.AI

    Passed.AI

    Understand your student’s writing process and identify areas for improvement. AI Reliance Assessment: Obtain an AI Detection Score to measure the extent of generative AI usage in your student’s work. Plagiarism Detection: Utilize Plagiarism Scores to identify non-cited passages, promoting proper citation practices. Paste-Ins Analysis: Track and review all pasted content within documents to understand its contribution towards the final draft. Revision Tracking: Gain insight into the effort and revisions made over time through a detailed overview of changes and timestamps.
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    Quetext

    Quetext

    Quetext

    We offer a complete suite of writing and integrity tools designed to support writers at every stage of the process. From identifying plagiarism with our Plagiarism Checker and evaluating content with the AI Detector, to refining ideas using AI TutorMe™ (AI Paraphraser), AI Summarizer, and Grammar Checker, our platform helps writers create clearer, more original work with confidence. Once your tools are in place, accuracy matters. That’s where our technology comes in. Using contextual analysis, intelligent word placement, and advanced algorithms, our software pairs speed with the precision of DeepSearch™ technology. Trusted by more than 5 million students, educators, and professionals, DeepSearch™ scans deeply and intelligently to surface potential issues without slowing you down. Our focus is simple: to promote ethical writing through originality and correct citation. We believe the most effective way to achieve that is by providing intuitive, writer-first technology that empower
    Starting Price: $8.25 per user per month
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    PapersOwl

    PapersOwl

    PapersOwl

    PapersOwl's free online plagiarism checker is an AI-powered tool designed to help students and writers ensure the originality of their work. It supports all common file formats and offers features such as deep search, real-time checking, and data safety. The tool provides a comprehensive report with a plagiarism percentage, highlighting any matched sources and offering links to the original content for easy comparison. Users can either copy and paste their text or upload files directly into the checker. The platform emphasizes the importance of proper citation to avoid plagiarism and offers additional services like rewriting, editing, and proofreading to enhance the uniqueness of the content. PapersOwl's checker is available 24/7, ensuring that users can verify their documents' originality at any time. Our simple tool makes it convenient to check any writing task without having to spend a dime. It works quickly and highly accurately, ensuring that you get the top grade you deserve.
    Starting Price: $8 per page
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    Originality.ai

    Originality.ai

    Originality.ai

    Originality.ai is a powerful AI detection and content quality platform designed to help users verify whether text is human-written or AI-generated. It accurately detects content created by models such as GPT-5, ChatGPT, Claude, and Gemini. The platform combines AI detection with plagiarism checking, grammar analysis, readability scoring, and fact checking in one suite. Originality.ai is trusted by editors, publishers, students, and marketers to maintain transparency and integrity in written content. Its AI checker highlights sentences and explains why content may be flagged as AI. The platform is backed by third-party studies showing industry-leading accuracy across multiple LLMs. Originality.ai enables users to confidently publish or submit content knowing it meets originality standards.
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    Starting Price: $0.01 per 100 words
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    StudyAgent

    StudyAgent

    StudyAgent

    StudyAgent is an AI-powered academic writing assistant designed to help students, researchers, and professionals write smarter and faster. It brings everything you need for academic success—structuring, writing, checking, and refining your work—into one integrated platform. Trained on billions of scholarly papers and research studies, StudyAgent generates content that is accurate, logical, and academically sound. Its tools include an AI Writer, plagiarism checker, AI detector, and paraphraser, all built specifically for academic use. Unlike generic writing platforms, StudyAgent adapts to your tone and field of study while maintaining originality and compliance with academic standards. With core features completely free during beta, StudyAgent turns the complex writing process into a simple, guided experience.
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    TextGuard

    TextGuard

    TextGuard

    TextGuard.ai is an all-in-one writing and content verification tool that helps users check originality, detect AI-generated text, improve readability, and rewrite content while keeping original meaning. It offers an AI detector that analyzes text for likely machine-generated content, a plagiarism checker to help ensure work is unique against online sources, and a humanizer that rewrites stiff or AI-sounding text into more natural, human-like language. It also includes grammar and style checks to catch errors and polish sentences for better clarity and engagement, and paraphrasing tools to create unique versions of assignments or articles. Users can paste text or upload files for analysis, set desired readability levels, and get fast results designed to keep writing authentic and easy to understand. TextGuard’s suite of tools aims to support a range of writing needs from emails to essays, helping writers avoid unintentional copying, fix mistakes quickly, and etc.
    Starting Price: $19.99 for 2-week plan
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    Turnitin

    Turnitin

    Turnitin

    Ensure original work from students and address even the most sophisticated potential misconduct. Give instructors tools that streamline manual grading processes, so they can spend more time teaching. Help develop students’ original thinking skills with high-quality, actionable feedback that fits easily into teachers’ existing workflows. Address the originality of student work and emerging trends in misconduct with this comprehensive solution. Deliver and grade all types of assessments from anywhere using this modern assessment platform. This robust, comprehensive plagiarism checker fits seamlessly into existing workflows. This high-stakes plagiarism checking tool is the gold standard for academic researchers and publishers. This high-stakes plagiarism checking tool is the gold standard for academic researchers and publishers. Turnitin partners with global educators to share smart, creative instructional practices. Explore our blog, teaching tools, guides, white papers, and more.
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    Plagly

    Plagly

    Plagly

    Instantly compare your text to over 20 billion sources using our free checker tools. We've created the fastest and most accurate free plagiarism checker tool to help students, teachers, and SEO professionals easily and more efficiently detect plagiarism and duplicate content. Plagly's plagiarism checker compares your text to the entire internet and other databases by detecting plagiarized phrases and highlighting sections of content currently published online. Instantly check for grammar mistakes to improve efficiency for writing correct text and content. Eliminate structure and style mistakes by proofreading your articles or content online. Trusted by top colleges and universities the free plagiarism checker for students and teachers online allows students to scan academic papers, essays and assignments for plagiarized text. Plagly is changing the online writing world for plagiarism detection software by developing game changing detection technology.
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    Rewritify

    Rewritify

    Rewritify

    Rewritify is an AI-powered tool designed to rewrite your text, ensuring it's free from plagiarism and easy to read. It enhances the uniqueness and engagement of your content while optimizing it for search engines, making your writing stand out. Use Cases: - Enhance Readability: Smooth transitions and improve clarity. - Generate Unique Content: Create original, plagiarism-free text. - Optimize for SEO: Incorporate keywords for better search rankings. - Repurpose Content: Update and adapt old materials for new uses. Ideal for: - Content Writers: Freshen up articles and blog posts. - Marketing Copywriters: Create varied marketing materials. - Content Marketers: Repurpose existing content efficiently. - Students: Ensure originality in essays and assignments.
    Starting Price: $9/month
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    ZeroGPT

    ZeroGPT

    ZeroGPT

    ZeroGPT is a powerful and free AI detection platform designed to identify AI-generated content from models such as ChatGPT, GPT-5, Gemini, Claude, Grok, DeepSeek, and LLaMA. It analyzes text with high accuracy and highlights AI-written sentences while displaying an overall AI probability score. ZeroGPT supports multiple languages and provides detailed, automatically generated PDF reports that can be used as proof of originality. The platform goes beyond detection by offering a full suite of writing tools, including plagiarism checking, grammar correction, paraphrasing, summarization, and translation. Its intuitive interface allows users to paste text or upload files for instant analysis. ZeroGPT is widely used by individuals and organizations seeking fast, credible AI detection without barriers. Millions of users rely on it for transparent and reliable content verification.
    Starting Price: $7.99/month
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    StudyXY

    StudyXY

    StudyXY

    StudyXY is an AI-powered study suite that helps students write better, learn faster, and boost grades. ✍️ AI Writer – Draft essays, research papers, and assignments with real citations. 🧮 AI Homework Helper – Step-by-step solutions for math, science, and more. 📄 Document Chat – Upload PDFs or notes and chat directly with them. 🧠 Flashcard Generator – Turn notes into smart flashcards. 📝 AI Test Prep – Create personalized quizzes and mock tests. 🔍 Plagiarism Checker and 🤖 AI Detector ensure originality and academic integrity. StudyXY is ad-free, privacy-focused, and available on Windows, Android, and Web.
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    DraftOut.ai

    DraftOut.ai

    DraftOut.ai

    DraftOut is an AI-assisted academic writing service that combines guided drafting with human expert review. The platform helps students and researchers prepare a structured paper with correct citations, supported by verified academic sources, and optional AI/plagiarism reports (e.g., GPTZero and PlagAware). DraftOut emphasizes educational use and user authorship, while providing a complete "prep pack" (outline, research memo, Q&A/synopsis, and source PDFs) to help users submit their work confidently. Key Features - Expert review before submission (quality + fact-check) - Verified academic sources + all source PDFs - Proper formatting, citations, and references - “Full prep pack” (research memo, Q&A/synopsis, outline) - AI and plagiarism reporting (e.g., GPTZero + PlagAware)
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    Detecting AI

    Detecting AI

    Detecting AI

    Discover unparalleled accuracy and ease with our AI checker, trusted by experts for superior AI content identification. Highlights each AI-written sentence, showing the percentage of AI used in the text visually. Engineered for unmatched precision, our AI checker accurately identifies AI-generated content efficiently. Designed for ease of use, our intuitive interface ensures a smooth, straightforward user experience. Begin identifying AI-generated content right away without any account setup. Your submissions stay confidential. We never store or share your data. Our ai checker provides comprehensive coverage of various AI models, enabling us to identify AI-generated content created by ChatGPT, Gemini, Jasper, Claude, and other similar models. We continuously train our system to detect new models like GPT4 automatically, ensuring that our AI detector stays up-to-date with the latest AI technology advancements.
    Starting Price: $5 per month
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    Illuminarty

    Illuminarty

    Illuminarty

    Detect AI-generated images, synthetic, tampered images, and deep fakes. We offer various functionalities to help our users understand the generation of images through AI. Check whether or not an image has been AI-generated, from which AI model it has been generated, and which regions of the image have been generated. Find out the probability of AI generation for a given image. Illuminarty combines various computer vision algorithms to provide the likelihood of the image being generated from one of the public AI generation models. Find out the probability of AI generation for a given text. Illuminarty combines various NLP algorithms to provide the likelihood of the text being generated from one of the public AI generation models. We denote the specific passages from the given text that are most likely the result of AI generation. We are working on a web browser extension that lets us use our detectors while we surf on the internet.
    Starting Price: $10 per month
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    Advacheck

    Advacheck

    Advacheck

    Advacheck is a comprehensive solution for originality verification and plagiarism detection, designed for academic institutions, research organizations, and corporations. Key features include: Text Analysis: AI-powered algorithms verify originality by comparing text with an extensive database of academic publications and web content. Cross-Language Detection: Identifies plagiarism across different languages. AI Content Detection: Detects AI-generated text to support academic integrity. Image Verification: Compares visual content against a growing database of images from articles and user collections. LMS Integration: Seamlessly integrates with Moodle, allowing assignment checks directly within the learning platform. Reports & Customization: Generates detailed reports with sources and allows for tailored detection settings. Advacheck ensures high standards of data security and privacy, compliant with international regulations.
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    UniqeCheck

    UniqeCheck

    UniqeCheck

    UniqeCheck is a powerful plagiarism and AI detection platform designed to verify content originality with high accuracy. It scans text against extensive web, academic, and internal databases to detect similarities and duplicate content. The platform also identifies AI-generated text, helping users understand whether content was written by humans or machines. UniqeCheck supports multiple file formats, including DOC, DOCX, PDF, and TXT, making it easy to check any document. Advanced algorithms minimize false positives while highlighting exact sources of duplicated text. Detailed reports provide similarity scores, highlighted matches, and source references for easy revision. UniqeCheck ensures secure, confidential content checking for academic and professional use.
    Starting Price: $22.95/month
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    iThenticate

    iThenticate

    iThenticate

    iThenticate is the most trusted plagiarism checker by the world's top researchers, publishers, and scholars. Check against 93% of Top Cited Journal content and 70+ billion current and archived web pages. 1,300 Top Journals worldwide use iThenticate to screen and review submissions. Easy to use reports make it easy to narrow in on the most critical matches and protect your reputation. iThenticate is the premier tool for researchers and professional writers to check their original works for potential plagiarism. With an easy to use submission process that checks for similarity against the world’s top published works, researchers and institutions can feel confident that their academic reputation will be protected. Turnitin solutions promote academic integrity, streamline grading and feedback, and improve outcomes across educational levels and content areas. Turnitin leverages cutting-edge technology to provide tools that prevent plagiarism.
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    GPTZero

    GPTZero

    Superhuman

    GPTZero is a leading AI detection platform built to preserve human-authored writing in an era of generative AI. It accurately identifies content written by models such as ChatGPT, GPT-5, Gemini, Claude, and Llama. The platform combines AI detection with writing quality analysis to provide deeper insight into how text was created. GPTZero offers tools like Advanced Scan, plagiarism checking, and hallucination detection for reliable verification. Its Google Docs integration allows users to watch writing replays and identify copy-paste behavior or unnatural typing patterns. GPTZero is widely used in education and professional settings to promote transparency and trust in writing. Independent benchmarks rank GPTZero among the most accurate commercial AI detectors available.
    Starting Price: $12.99/month
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    Undetectable Content

    Undetectable Content

    Undetectable Content

    Undetectable Content - AI Humanizer & Detector. Our Undetectable AI Content humanizer converts your text into human-like, grammatically accurate, plagiarism-free content that remains undetectable by AI detectors. Features: AI Humanizer, AI Detector, AI Writer, Bypass AI Detectors, Plagiarism-free content, Grammatically accurate Instantly identify and humanize AI-generated content. Improve authenticity, enhance readability, and ensure your content bypasses all major AI detectors with just one click.
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    ZeroGPT Plus
    ZeroGPT Plus is a free AI Content Plagiarism Checker that doesn't require a login. It's designed to spot content created by AI tools like ChatGPT, Gemini, Claude, and Copilot. Using advanced technology, it checks texts against a large database to find signs that content might have been generated by AI. Plus, this tool can also make AI-written content sound more human and natural. You can even choose from different languages and styles to suit your needs.
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    CopyChecker

    CopyChecker

    CopyChecker

    CopyChecker is a free, all-in-one online toolkit designed to help writers, students, educators, businesses, digital marketers, and content creators work smarter and more efficiently. Built with a mission to make world-class content tools accessible to everyone, CopyChecker offers a comprehensive suite of text, image, PDF, and video tools — all without requiring software downloads or complex setups. Everything runs directly in your browser. CopyChecker's flagship tool is a fast, accurate, and completely free online plagiarism checker. It scans content against billions of web pages, academic publications, student submissions, and online databases to detect duplicate content. CopyChecker's AI Detector analyzes written content to identify whether it was generated by AI tools like ChatGPT, Claude, Gemini, or other large language models.CopyChecker's most advanced AI Image tool uses artificial intelligence to perform deep visual similarity searches far beyond basic reverse image lookup.
    Starting Price: $9.99
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    Noplag

    Noplag

    Noplag

    We help education establishments deal with academic integrity students to learn how to write original papers before they submit them to Turnitin. Upload your files and check new files against them for free. We detect synonyms, character replacement and paraphrased plagiarism. Grammar and spell checker, online editor, citation assistance, human proofreading. Noplag is one of the oldest, well-known and most trusted plagiarism detection services on the internet, which was established in 2014. Since then college students around the world, graduate and undergraduate students rely on Noplag Online Plagiarism Checker every day. Plagiarism checker in students’ life is a necessity nowadays, as it not only helps students prepare for the module, exam or complete homework writing assignment but also educate students, how to write custom papers, motivates students to keep up with the Academic Integrity and not cheating by copying classmates essay or research paper.
    Starting Price: $1 per paper
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    Plagiarism Checker X

    Plagiarism Checker X

    Plagiarism Checker X

    Plagiarism Checker X helps students by checking duplication issues in their assignments and papers. You can easily check for content similarity and find the original sources, correct citations, and, as a result, obtain better grades. As a teacher, you can use Plagiarism CheckerX to check your own research papers and your students’ assignments. The Bulk Comparison feature enables you to check an entire batch of documents in one click. Additionally, you can also detect content similarity in documents and already published contents. For online publishers such as writers & journalists, unique content is very important. Your main challenge is producing or obtaining original content. Whether you’re a blog owner or a professional content writer, Plagiarism Checker X is one the leading copyright checker and can help you avoid potential content similarity.
    Starting Price: $39.95 per user
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    StudyCrumb

    StudyCrumb

    StudyCrumb

    There are lots of online tools that can improve your writing. You'll notice the difference as soon as they start relying on this writing software. StudyCrumb provides a full pack of free online essay creation tools for your comfortable & fast editing, idea generation, essay checking, and summarizing. Look no further if you want to check your essay for plagiarism free! The tool will compare your essay with other online resources to generate an originality report. Simply paste your text and insert the title of your work and voilà – an essay plagiarism check is ready. You can use a report to correct the highlighted areas. Are you about to submit your work? Check a paper for plagiarism to make sure it’s 100% authentic. The tool will show you the percentage of uniqueness, and all you need to do is ensure that it’s acceptable in your school. Change the highlighted phrases if needed and run an extra check again.
    Starting Price: $15 one-time payment
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    Mentafy

    Mentafy

    Mentafy

    Mentafy is an AI-driven academic integrity platform designed to support students throughout the entire writing process regarding proper scientific work and enabling educators to verify originality and detect academic misconduct with high transparency. Over and above traditional plagiarism checkers that focus only on the final text, Mentafy can document the evolution of a text by analyzing changes between auto-saved versions, capturing how text is written, revised, and structured over time. The quality and diligence of this methodology is unique in the market and provides the best possible way to identify the human contribution of a written academic work. Additinally, and particularly, when you do not have a version history available, but only a submitted findel text, like a PDF - Mentafy's academic integrity suite offers all the modern tools available to detect misconduct in texts: AI Detection, Reference Verification, Content Questions, Research Journal, Stylometry Analysis.
    Starting Price: $7.99 per month
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    TextSight AI

    TextSight AI

    Lacewing Technologies

    TextSight.ai is an AI detection and rewriting platform that helps users identify AI-generated text and improve it with sentence-level suggestions. The platform analyzes pasted text, uploaded files, scanned URLs, and API inputs to produce an Authenticity Score from 0 to 100. TextSight.ai detects patterns from major AI systems such as ChatGPT, Claude, Gemini, and Llama 3 while highlighting AI, mixed, and human-written sentences. Its AI Rewriter rewrites flagged sentences while preserving facts, citations, names, numbers, and meaning. The platform also includes 20 free writing tools for detection, writing, refining, and research workflows. Built for students, writers, bloggers, SEO teams, marketers, educators, and agencies, TextSight.ai helps users detect, understand, and refine AI-assisted writing.
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    Plagly.ai

    Plagly.ai

    Plagly.ai

    Plagly.ai is a free AI content detection and plagiarism checking platform trusted by educators, writers, and professionals worldwide. Detect text generated by ChatGPT, GPT-5.4, Claude Opus 4.6, Gemini 3.1, Grok 3, and Llama 4 with sentence-level precision. Includes plagiarism scanning against billions of sources, AI text humanization, document chat, and our unique Agentic Council where 7 AI experts independently review your documents. Free plan includes 5,000 words/month.
    Starting Price: $6.99/month
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    DrillBit Plagiarism

    DrillBit Plagiarism

    DrillBit Plagiarism

    DrillBit Plagiarism is a cloud-based SaaS solution designed to support academic integrity and writing excellence. The platform offers plagiarism detection, AI-generated content identification, and in-depth grammar checks, making it suitable for educators, researchers, and students alike. By scanning billions of web pages, publications, and academic databases, DrillBit helps to ensure accurate plagiarism reports and to identify even the most subtle traces of copied or AI-generated content. Boasting users among 1,800 academic institutions across 13 countries, DrillBit Plagiarism aims to empower educational organizations to uphold originality, promote ethical research practices, and maintain high standards of academic writing.
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    Paraphrase Tool

    Paraphrase Tool

    Paraphrase Tool

    Your words and thoughts matter, and we’ve designed our paraphrase tool to ensure find the best words to match your expression. Just paste or start writing your text in our input box above, and our best-in-class AI will help you to generate the best paraphrases from your original writing. Who has time for writer’s block? Our Composer can help you write 10x faster by enabling you to create paragraphs from keywords instantly for articles, cover letters, essays, and more than 500 other types of writing in 100+ Languages. This way you can focus more on your final work rather than your first draft. None of us wants to accidentally plagiarize, especially when we spend so much time getting our ideas on paper and refining them. Be sure that your text is unique and 100% free of plagiarism by using our plagiarism checker for 50+ Languages.
    Starting Price: $4.99 per month
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    VibeGrade

    VibeGrade

    VibeGrade

    VibeGrade is an AI-powered essay grading tool that integrates directly into platforms like Google Docs, Google Classroom, Canvas, Toddle and other LMS systems via a Chrome extension, letting educators grade essays in seconds using their own customized rubric criteria and receive instant detailed feedback with a clear grade breakdown while checking for plagiarism and AI-generated writing. It analyzes text with precision using the teacher’s rubric to provide smart annotations that highlight strengths and areas for improvement, automatically calculates an accurate final grade estimate, and offers playback of the student’s writing process to give deeper insight into revision patterns and potential AI assistance. Built-in plagiarism checking and AI writing detection help uphold academic integrity without needing separate tools and the extension also enables creation of lesson plans, quizzes and worksheets quickly within familiar workflows.
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    PlagiarismCheck.org

    PlagiarismCheck.org

    PlagiarismCheck.org

    PlagiarismCheck.org — an advanced AI-driven tool that detects AI bot usage, exact matches, paraphrasing, and checks grammar/spelling. TraceGPT AI detector detects texts from Claude, Gemini, Grok, and all ChatGPT models, ranging from 3.5 to the 5th generation. Fingerprint feature ensures uniqueness and authorship. Custom rubrics and in-text comments in your LMS speed up the grading workflow. All grades automatically sync with Moodle, Canvas, Google Classroom, Brightspace, Blackboard, Populi, and other LMSs as PlagiarismCheck.org integrates with them via API. Benefits: - AI algorithms for precise similarity checks, catching sentence structure changes, hidden characters, and synonyms, reducing false alarms. - Comprehensive report with accurate results, identifying human-written or AI-generated content ratios to avoid false positives. - Multilanguage support (15+ languages) - Accesses a wide range of sources, including the latest academic databases.
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    Enago Plagiarism Checker

    Enago Plagiarism Checker

    Crimson Interactive

    Enago Plagiarism Checker, in collaboration with Turnitin, uses the most powerful plagiarism detection algorithms and the largest databases of Internet content as well as open access and paywalled research from all major scientific disciplines, to provide you with the most accurate plagiarism detection. Enago AI Grammar Checker uses the latest AI technology. The AI models use papers written by experts in each field to understand the best writing styles. Combined with the knowledge of English grammar and expert writing styles, the AI models assess your writing for errors and improvements and provide useful suggestions. The Enago Plagiarism Checker leverages Turnitin's expansive database and algorithms used by 1700+ top publishers & peer reviewers worldwide as part of their manuscript screening and peer review process.
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    Check-Plagiarism

    Check-Plagiarism

    Check-Plagiarism

    Check-Plagiarism provides a state-of-art plagiarism checker that helps you avoid plagiarism with robust algorithms. Our plagiarism checker checks your text against billions of web pages, Education databases, Online Resources & Online Libraries to provide accurate results. Check Plagiarism also offers an AI-based Paraphrasing Tool to strengthen your writing, a Text Summarizer, an Article Rewriter, etc.
    Starting Price: $4.99 per week
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    Winston AI

    Winston AI

    Winston AI

    Winston AI is an advanced AI content detector software specifically designed for the publishing and education industries. It comes equipped with powerful features such as plagiarism detection, OCR (Optical Character Recognition), report generation and file management capabilities. Winston AI can detect text generated by popular AI writing tools such as ChatGPT, Jasper, Copy.AI, Writesonic and many more, with unprecedented accuracy.
    Starting Price: $14 per month
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    Plagramme

    Plagramme

    Plagramme

    Plagramme.com is the plagiarism checker where users can get plagiarism scores free and in seconds. Even for papers hundred of pages long. Our plagiarism checker is fast and accurate. You may try it right here, no need to sign up. You can always sign up to get access to more features. Our plagiarism checker is loved by our users. This is why we have more than 6,000 reviews on the Trustpilot. Free plagiarism check for teachers, professors, lecturers. Verification against more than 80 million scholarly articles. Our plagiarism checker is loved by our users. This is why we have more than 6,000 reviews on Trustpilot, with the overall evaluation being 'Excellent.' Our users compare their documents with the largest database of scholarly articles from the best-known academic publishers. We are fully multilingual at heart and so are our algorithms. Our plagiarism checker supports 129 languages.
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    Compilatio

    Compilatio

    Compilatio

    Compilatio is a provider of academic integrity solutions. Thanks to Compilatio Magister+, our antiplagiarism software for teachers, you can detect all forms of plagiarism: AI-generated content, similarities, obfuscation, and more. → AI-generated content detection: detect texts potentially generated by a generative AI such as ChatGPT or Bard. → Similarity detection: detect similarities between the analyzed text and found and/or added sources. → Altered texts detection: Identify attempts to conceal plagiarism, such as character substitution. Compilatio Magister+ integrates with several LMS platforms: Moodle, Canvas, Brightspace (D2L), Microsoft Teams
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    WriteMyEssay.ai

    WriteMyEssay.ai

    WriteMyEssay.ai

    WriteMyEssay.ai is an AI-powered essay writing platform that generates high-quality, plagiarism-free papers in minutes, crafting content that bypasses all major AI-detection tools while automatically formatting in APA, MLA, Chicago and other styles; users simply enter their topic, academic level, essay type and length (up to ten pages), and the system produces a structured outline and full draft with clear argumentation, logical flow and properly cited references, helping to beat writer’s block and last-minute deadlines. Beyond full-essay generation, it offers a suite of auxiliary tools, including title, paraphrasing, and conclusion generators, a citation formatter, and a plagiarism checker, so students can refine ideas, improve wording, and ensure originality without switching platforms. Each paper is delivered as an editable .doc file, enabling manual tweaks, while encrypted data handling and user-friendly design make it accessible to international students.
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    Plagiarismhunt

    Plagiarismhunt

    Plagiarismhunt

    Enter 400 maximum characters and you will get a full plagiarism detection report for free. Additional limitations may apply. When you want to review large text, use the file upload option. There are no limits on the text, but you have to pay before the review. After payment you will get a full report. Payment detection is processed with a more detailed plagiarism algorithm. Whether it's free or premium screening, you get the same report. The percentage of plagiarism in the text, the places of the plagiarized text in color and the link to the original source from which the plagiarized text comes. Plagiarism Hunt scans your files and content with all plagiarism detections available online. Uploaded files are not saved or stored in our database. Plagiarism Hunt offers a percentage of results based on the originality of the document.
    Starting Price: $0.4 per page
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    Smodin

    Smodin

    Smodin

    AI is uniquely positioned to remove some of the biggest learning roadblocks facing students and writers today: writer's block, information overload, and conceptual gaps. Smodin is a multilingual student-focused company using AI to address students’ largest learning challenges. Inspired by the biggest challenges students and writers face, Smodin’s mission to make writing as stress-free as possible. We at Smodin believe writing shouldn’t hold anyone back. Be it language, understanding, or low talent, writing should be an avenue where anyone can express themselves completely, unimpeded. Currently a team full of intellectual and ambitious developers and product-focused innovators. We are placed throughout the globe, largely in Islamabad, Pakistan. We make it our priority that everyone works on impactful projects they enjoy. The team is currently led by our developer CEO, and we've taken a strong technical and product-focused mindset for what we do.
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    Starting Price: $8 per month
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    Red Paper

    Red Paper

    Red Paper

    RED PAPER is an advanced AI-powered plagiarism detection and content analysis platform. It offers comprehensive plagiarism checking, AI text detection, and AI image checking capabilities to help students, educators, researchers, and professionals ensure the originality and authenticity of their content. With cutting-edge machine learning algorithms, RED PAPER provides accurate, fast, and reliable results across multiple formats including documents, images, and web content. It is an advanced plagiarism detection and AI content analysis platform designed to uphold academic integrity with precision. It offers: 1. Plagiarism Detection – Cross-checks against billions of web pages, journals & academic publications 2. AI Text Detection – Identifies ChatGPT, GPT-4, Gemini & other AI-generated content with 99% accuracy 3. AI Image Detection – Spots AI-generated or manipulated images embedded in documents
    Starting Price: $8/month/user
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    Plagius

    Plagius

    GH Software

    Plagius - Plagiarism Detector is a plagiarism checker software that analyzes documents thoroughly for occurrences of suspected plagiarism. This tool is designed to aid in enhancing the quality of academic, as even those who are prone to "copy and paste" can now revise and enhance their work by utilizing Plagius for prior analysis. With the ability to examine documents in various formats, such as Word, PDF, OpenOffice, HTML, and plain text, Plagius generates comprehensive reports detailing the references found, the frequency of occurrences on the internet or local files, and the percentage of suspected plagiarism. Compared to other tools for detecting plagiarism, Plagius boasts several key advantages, including user-friendly operation, superior performance, and efficiency. Thanks to its simplicity and speed, Plagius provides an exceptional plagiarism detection experience for its users.
    Starting Price: $5.90 per month
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    StealthGPT

    StealthGPT

    StealthGPT

    StealthGPT is an AI writing platform that helps users rewrite, humanize, verify, and improve AI-generated content. The platform includes an AI Humanizer, AI Detector, Stealth Writer, Stealth Agent, SEO Writer, Chat with PDF, grammar tools, summarization tools, rewriting tools, and API access. Users can paste AI-generated text from tools such as ChatGPT, Claude, Gemini, or other AI writers and receive a rewritten version in seconds. StealthGPT supports workflows for creating natural-sounding content, checking AI detection scores, adding citations, generating bibliographies, and refining documents. The platform also supports SEO writing, multilingual content across 250+ languages, Chrome workflows, iPhone access, and developer integration through its API. Built for content creators, copywriters, SEO teams, businesses, and writing professionals, StealthGPT helps users edit AI-assisted drafts into more natural, polished, and publishable content.
    Starting Price: $1/day
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    Decopy AI

    Decopy AI

    Decopy.ai

    AI Detector - Trusted AI Checker (free and no sign up required). Decopy’s free AI Detector is the best AI Checker tool that can be used to detect content generated by AI models such as ChatGPT, Gemini, Claude, LLaMa, etc. It has an accuracy rate of up to 99% and supports multiple languages. It is your most trusted assistant. In today's digital environment, AI Generated Text has revolutionized content creation, making it increasingly difficult to distinguish between human writing and AI writing. To help you solve this problem, please use Decopy AI Detector, which provides you with an accurate and efficient AI checker solution. Help you easily detect AI-generated content and ensure originality and authenticity.
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    amige.

    amige.

    amige.

    amige. checks whether an image, video, or text is AI-generated. it runs a weighted panel of independent detectors, fuses their reads, and shows you where they disagree. when the evidence splits, it says "uncertain" instead of guessing. every verdict comes with a confidence percentage, the per-detector breakdown, and a best guess at which of 90+ generative models made it (midjourney, sora, flux, stable diffusion). video detection is included, which text-only checkers can't run. it also reads C2PA Content Credentials and SynthID provenance. free tier: 3 scans a day, no card.
    Starting Price: Free; Pass $9/month
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    Walter AI

    Walter AI

    Walter Writes AI

    Walter Writes AI is the trusted solution for humanizing AI-generated content, setting a new standard for undetectable AI writing. Built for writers, students, and professionals, it transforms AI text into natural, high-quality content while preserving quality. With cutting-edge algorithms, Walter Writes AI effortlessly bypasses leading detectors like Turnitin, GPTZero, and Originality. Try it free and see the difference—then upgrade to the plan that fits your needs.