GPTKit is an AI text detection tool used to determine whether content is more likely written by a human or generated by a machine, suitable for use in scenarios such as content review and text source assessment.

GPTZero is an AI detector website with over 1 million users. It provides accurate AI detection, can be applied to various use cases, and has been validated by multiple independent sources. The website offers pre-filled examples or file upload options to get results. GPTZeroX is a version built specifically for educators and includes plagiarism scoring. The website has a login page where users can sign in with their GPTZero account or Google account.

Illuminarty is a detection tool for identifying AI-generated or tampered content. It can analyze images, text, and suspected synthetic images, helping users determine whether content involves AI generation, editing, or Deepfake.

Originality.AI is a content originality detection tool that supports plagiarism checking and AI content detection, and also provides team management, full-site scanning, and a Chrome extension.

Winston AI is a professional AI content detection tool that can identify text generated by language models such as ChatGPT and GPT-4 with 99.98% accuracy. It supports multilingual detection and can identify rewritten and human-edited AI content.

Copyleaks is an AI-based plagiarism detection tool that can identify and verify original content. It supports more than 100 languages and is suitable for education, publishing, law, and other fields, helping users detect plagiarism in text, code, and images. Through deep learning and natural language processing technologies, Copyleaks can identify semantic similarity and complex forms of plagiarism.

AI Content Detector is a free online tool launched by Writer that helps users identify whether text content was generated by artificial intelligence. The tool supports analyzing up to 5,000 words of text. Users only need to paste the text into the designated area to obtain a probability score for AI-generated content.

An online tool for checking whether text was generated by GPT-3 or ChatGPT

Sapling AI Content Detector is a free online tool for detecting whether text was generated by AI. Users can upload text or paste content directly for detection. The tool analyzes text features based on machine learning algorithms to identify content generated by AI models such as ChatGPT and GPT-4.

Smodin AI Content Detector is an advanced tool that distinguishes human-written content from AI-generated text. It identifies AI documents with 91% accuracy and human documents with 99% accuracy, helping ensure content authenticity and originality. The tool supports multiple languages, including English and Spanish, and has a user-friendly interface for uploading and scanning documents.

Writecream AI Content Detector is a professional AI content detection tool that can efficiently identify and distinguish AI-generated content. Based on deep learning and natural language processing technology, it provides users with accurate detection reports to help avoid copyright disputes and ensure content originality and quality.

StudyCorgi ChatGPT Detector is a free tool launched by the online essay database and platform StudyCorgi to detect whether an essay was generated by ChatGPT. This AI essay detector is completely free for both students and teachers. Simply add or enter the text content to be checked and click the check text button to obtain a probability analysis of whether the article was created by AI.

Ruixin Paper AI Detection is a one-stop academic integrity detection system launched by CAS Ruijian, focusing on AIGC (AI-generated content) detection and academic misconduct identification.