If you're looking for a tool to catch AI-generated content in student assignments, Turnitin is a top contender. It's got new AI writing detection technology that spots AI-generated content and flags plagiarism. The company's technology is used by higher education, secondary education and research, and offers tools like Feedback Studio, Gradescope and iThenticate for personalized feedback and grading.
Winston AI is another contender, with a 99.98% detection rate for AI-generated content. It works across multiple languages and includes a plagiarism checker and AI image detector. Winston AI offers a Chrome Extension and API for web app integration, so it's easy to build into your education workflow.
For a full-featured tool, Copyleaks has a range of products including an AI Detector, Plagiarism Detector and AI Grader. It can detect AI in more than 30 languages and integrates with Learning Management Systems (LMS), so it's a good choice for institutions that need strong content protection.