Copyleaks

Copyleaks is a content authenticity platform that detects AI generated content and plagiarism. Its products cover an AI text detector, an AI image detector, an AI video detector, a deepfake detector, a plagiarism checker, image plagiarism, a grammar checker and text moderation. The vendor states that text detection supports more than 30 languages and models including ChatGPT, Gemini, DeepSeek and Claude, with plagiarism detection in more than 100 languages. Accuracy figures on the site come from the vendor's own testing. It serves educators, enterprises, publishers and developers. Solutions are organized around academic integrity, intellectual property and copyright, governance of generative AI use inside an organization, source code verification, checking training data for AI models, and spotting where large language models have used a publisher's content. Integrations include an API, learning management system connectors, a browser extension for Chrome, Edge and Firefox, a WordPress integration and a Google Docs add on. Individual plans are credit based. Personal is $13.99 per month billed annually at $167.88, or $16.99 when billed monthly, and includes 1,200 unified credits, which scan up to 300,000 words or 1,200 images. Pro is $74.99 per month billed annually at $899.88, with 25 seats and 12,000 unified credits. Separate Enterprise and Education pricing tabs exist, and the site offers demos.