Plagly.ai is a FREE plagiarism and AI content detection tool that helps you keep your work 100% original and trustworthy. Instantly check for copied or AI-generated text, analyze writing style, and get detailed insights to protect content integrity. Perfect for students and teachers, writers, and professionals, Plagly.ai makes it easy to verify originality, avoid accidental plagiarism, and publish authentic content with confidence.
Trusted by educators, writers, and teams worldwide
Sentence-level signals, source matches, and confidence scores—clearly visualized. Learn more about how our detection works.
Our advanced detection algorithms provide comprehensive analysis of content authenticity through multiple layers of verification. Unlike basic plagiarism checkers, Plagly.ai combines sophisticated AI detection models with extensive database matching to identify both AI-generated content and traditional plagiarism. Our platform analyzes linguistic patterns, semantic structures, and contextual markers to deliver detailed reports that help maintain academic integrity and content originality across educational institutions, publishing houses, and enterprise environments.
Ensure that your text is indistinguishable from human writing while retaining its original meaning with our AI Detector and Humanizer tool.
Our AI detection technology identifies content generated by ChatGPT, GPT-5.5, Claude Opus 4.6, Gemini 3.1, and other major language models with 99% accuracy. Once detected, our humanization engine transforms AI-generated text into natural, human-like writing that maintains the original message while improving readability, flow, and authenticity. This powerful combination helps content creators, students, and professionals ensure their work meets the highest standards of originality and natural expression.
Try AI Text HumanizerPurpose-built detectors tuned for today's leading models. Pick the AI you want to catch.
Uncover uniqueness using our efficient plagiarism detector. Guarantee the originality of your content with our advanced detection technology!
Plagiarism DetectionGet answers to all your questions, conduct deep research, and create unique content—all grounded in the information inside your documents.
Plagly.ai employs state-of-the-art machine learning algorithms specifically trained to identify AI-generated content from the most popular language models including OpenAI's GPT series, Google's Gemini, Anthropic's Claude, and Meta's LLaMA. Our detection system analyzes multiple linguistic features including sentence structure, vocabulary patterns, semantic coherence, and stylistic markers that distinguish AI-generated text from human writing. Learn more about our technology.
The accuracy of our AI detection reaches 99% across various content types, making it the most reliable solution for educational institutions, publishing houses, and enterprise environments where content authenticity is paramount. Our algorithms are continuously updated to stay ahead of evolving AI models and detection evasion techniques.
Beyond AI detection, Plagly.ai provides extensive plagiarism checking capabilities that scan billions of web pages, academic databases, and published works to identify potential instances of copied content. Our database includes academic journals, books, websites, and other sources to ensure comprehensive coverage across all domains of knowledge. View our pricing plans for unlimited access.
Our plagiarism detection engine provides detailed reports showing exact matches, similarity percentages, and source citations, enabling users to understand the extent of any potential issues and take appropriate corrective action. This feature is essential for maintaining academic integrity and ensuring original content creation. View our pricing plans.
Plagly.ai has been independently tested and verified by academic researchers and industry experts, consistently achieving the highest accuracy rates in content authenticity detection. Our false positive rate remains below 0.4%, ensuring that legitimate human-written content is not incorrectly flagged as AI-generated.
The platform processes over 200 million documents annually, demonstrating its scalability and reliability across diverse use cases. Our technology has been adopted by leading universities, publishing companies, and enterprise clients who require the highest standards of content verification.
Plagly.ai combines powerful detection capabilities with an intuitive user interface that makes content verification accessible to users of all technical levels. Our detailed reports provide clear visualizations of detection results, including sentence-level analysis, confidence scores, and actionable recommendations for content improvement.
The platform supports various file formats including PDF, Word documents, and plain text, making it easy to analyze content from multiple sources. Our API integration capabilities allow seamless integration with existing workflows and content management systems.
Plagly.ai serves thousands of users across educational institutions, publishing companies, content agencies, and enterprise organizations. Our platform helps maintain the highest standards of content authenticity and academic integrity in an era where AI-generated content is increasingly prevalent.
From students ensuring their academic work meets originality requirements to enterprises protecting their brand reputation through authentic content creation, Plagly.ai provides the tools and insights needed to navigate the evolving landscape of content creation and verification.
Advanced graph-based models that set new standards in accuracy and reliability

Graph-based models that capture complex relationships in text structure and semantics
Multi-model detection covering ChatGPT, GPT-5.5, Claude Opus 4.6, Gemini 3.1, and Llama 4
Academic collaboration with researchers and industry experts
Our Agentic Council puts your work through a rigorous multi-expert review — like having 7 professors debate your paper in real-time.
Each expert does an initial scan, then a deep investigation. Issues others miss get caught.
Agents challenge each other's findings. Disagreements are resolved through evidence, not averaging.
Get an executive summary, weighted scores, fact-checks, and actionable recommendations.
Starting at $6.99/mo
Start with our free plan or upgrade for more features
Basic analysis with limited words
Standard analysis for regular users
Advanced analysis for professionals