Check text for AI authorship - AI tools

Detector de IA is an online tool that analyzes text to determine if it was written by a human or an AI, providing a similarity score percentage.

• Free

Plagiarismchecker.ai is a free, AI-powered tool that detects plagiarism and identifies AI-generated content in text, offering detailed reports and supporting multiple languages.

• Freemium
• From 5$

PlagiarismCheck.org is a comprehensive plagiarism and AI detection tool that helps educators, students, writers, and content creators verify text originality and authorship with advanced algorithms and extensive databases.

• Paid
• From 6$

AI Text Detector is a free online tool that identifies text generated by various AI models like ChatGPT and Claude. It helps ensure the originality of documents, papers, and articles.

• Free

Uncheck.ai is an AI detector and humanizer that checks text for AI-generated content and rewrites it to be 100% undetectable, bypassing common AI detectors.

• Freemium
• From 7$

AIDetect is a comprehensive AI detection platform that offers high-accuracy identification of AI-generated content from various sources like ChatGPT, Google Gemini, and Claude Opus, along with AI text humanization capabilities.

• Freemium
• From 10$

IvyCheck is a highly accurate AI detector designed for educators to identify AI-generated text in student work, ensuring academic integrity. It offers detailed analysis and seamless LMS integration.

• Freemium
• From 15$

Is It AI? offers quick and accurate AI content detectors for identifying AI-generated images and text. Improve trust and verify authenticity with advanced detection tools.

• Freemium
• From 8$

Undetectable AI is a comprehensive AI detection and humanization platform that helps users identify and modify AI-generated content to appear more human-like, trusted by over 15 million users and rated #1 by Forbes.

• Freemium
• From 15$

AI Purity is an advanced AI detector designed to identify AI-generated text with high accuracy, preserving academic integrity and intellectual property. It differentiates between human-written and AI-generated content, including paraphrased text.

• Freemium
• From 13$

Content Detector is a free AI content detection tool that identifies if text was generated by AI or GPT, boasting high accuracy and advanced detection methods.

• Free

AI Copy Scanner provides AI-powered detection for identifying content generated by large language models (LLMs). Scan text easily via an online editor or API.

• Paid
• From 49$

Undetectable AI Humanizer transforms AI-generated text into human-like content, enabling it to bypass AI detectors like GPTZero and ZeroGPT. Access this free online tool to maintain authenticity and ensure your writing remains undetected.

• Free

Decopy AI is an AI-powered platform offering tools like AI detection, text humanization, summarization, and writing assistance to improve writing efficiency and maintain academic integrity.

• Free

ChecksPlag.com is an online tool offering advanced plagiarism and AI detection services to ensure content originality for students, educators, and professionals. It scans text against billions of sources for quick and accurate results.

• Paid
• From 23$

0gpt is a free AI content detector that distinguishes between AI-generated and human-written text. Harness advanced algorithms to maintain authenticity in your writing with quick, accurate results.

• Free

GPTZero is a free AI checker and ChatGPT detector that identifies AI-generated text using advanced algorithms, ensuring content authenticity and academic integrity.

• Freemium
• From 5$

AI Detector & Humanizer offers high-accuracy AI content detection and humanization, backed by studies. It supports various AI models and includes readability and plagiarism checks.

• Free

ZeroGPT AI Content Detector is a free, advanced tool that accurately identifies text generated by AI models like ChatGPT, GPT-4, Gemini, and Claude. It ensures content originality for students, writers, educators, and professionals.

• Free

ContentDetector.AI offers free, accurate detection of AI-generated content, including ChatGPT-generated texts, with advanced features like probability scoring, real-time analysis, and unlimited word count.

• Free

ZeroGPT is a comprehensive AI content detection tool that analyzes text to determine whether it was written by humans or generated by AI models like ChatGPT, GPT-4, or Google Gemini. It offers free unlimited checks with detailed sentence-by-sentence analysis and readability scoring.

• Free

MyDetector is a free AI detection tool that accurately identifies AI-generated text from sources like ChatGPT, GPT-4, and Gemini, boasting over 99% accuracy.

• Free

CopyFind.AI is a comprehensive content verification tool that combines plagiarism checking and AI content detection capabilities, allowing users to verify text originality and identify AI-generated content.

• Freemium

Originality.ai is a comprehensive content verification platform offering AI detection, plagiarism checking, and fact-checking tools with 99% accuracy, designed specifically for web publishers, content marketers, and professional writers.

• Freemium
• From 15$

Walter AI offers tools to detect and humanize AI-generated content, ensuring it's plagiarism-free and bypasses AI detectors like Turnitin and GPTZero.

• Paid
• From 7$

AI Detector Writer is a free, high-precision AI content detection tool that supports multiple languages and provides real-time results without word limits.

• Free

Zero DeepSeek offers advanced AI content detection alongside a suite of over 100 free AI tools, including text summarizers and image converters. It aids in verifying content authenticity and provides various utilities for diverse user needs.

• Free

GPTKit is a sophisticated AI detection tool that uses six different methods to identify AI-generated content with up to 93% accuracy, offering free analysis for the first 4096 characters.

• Freemium

Roft is an online game where users test their ability to distinguish between human-written and AI-generated text across categories like news and stories.

• Free

Detecting-AI is a comprehensive AI content detection tool that offers 98% accuracy in identifying AI-generated content from various models including ChatGPT, Gemini, Jasper, and Claude. It provides instant detection with privacy guarantees and requires no sign-up.

• Freemium
• From 5$