Originality.ai is an AI content detection and plagiarism checking platform designed for content publishers, SEO professionals, content agencies, and website owners who need to verify the authenticity and originality of written content. The platform uses proprietary AI detection models to identify text generated by AI language models including GPT-4, GPT-3.5, Claude, Gemini, Llama, and other large language models, providing a percentage-based score indicating the likelihood that content was AI-generated versus human-written. Originality.ai's detection engine is continuously updated to keep pace with new AI writing models and techniques, including detection of paraphrased and edited AI content. The plagiarism checker scans content against web sources to identify duplicated or closely matching text, providing source URLs and match percentages. The platform offers a readability analysis feature that scores content for reading level and accessibility. Originality.ai provides both a web-based interface for individual content checks and an API for integrating detection capabilities into existing content management workflows. Team features include shared scan history, team member management, and usage tracking across an organization. The platform offers a Chrome extension for scanning content directly on web pages and within content management systems. A site scanner feature allows users to scan entire websites for AI-generated content by crawling published pages. Originality.ai also provides a fact-checking feature that uses AI to verify claims made within content against reliable sources. The platform is widely used by content agencies, freelance marketplaces, publishers, and academic institutions. Pricing operates on a pay-as-you-go credit system starting at $14.95 per month for a base plan, with each scan consuming credits based on word count.

AI Content Detectors

Originality.ai is one of the most widely used AI content detection platforms, specializing in identifying text generated by GPT-4, Claude, Gemini, and other large language models. Its detection engine provides percentage-based AI probability scores and is continuously updated to detect content from the latest AI writing models, including paraphrased and edited AI text.

AI Marketing Tools

Originality.ai supports content marketing operations by providing quality assurance tools for content teams. Marketing managers and agency owners use the platform to verify freelancer submissions, audit content pipelines, and ensure brand content maintains human authenticity standards before publication across marketing channels.

AI SEO Tools

Originality.ai serves SEO professionals by ensuring published content meets quality and originality standards that search engines value. Its plagiarism checker, AI detection, and site scanner help SEO teams audit existing content portfolios and verify that new content from writers or AI tools maintains the authenticity that search engines increasingly prioritize in rankings.

AI Writing Tools

Originality.ai complements AI writing workflows by providing writers and editors with tools to check content originality, detect AI-generated passages, analyze readability, and verify factual claims. The platform helps writing teams maintain quality standards and ensure content meets publisher requirements for human authorship.