Originality.ai

GPTZero, a user-friendly AI detector with a 52% accuracy rate, offers basic AI content detection. It features a streamlined interface and quick checks, targeting specific AI models. Integration with MS Word and learning systems is ideal for educators. GPTZero is free, no sign-up required. Key features include ChatGPT plagiarism checks, sentence analysis, text spam detection, and search engine support.

Sapling, a free AI detector, excels in spotting AI-generated text with 68% accuracy, assuring content authenticity. It's particularly adept at short-form content and offers an intuitive interface. The tool provides an overall authenticity percentage and an API for bulk checks. Key features include accurate AI detection and simplicity.

Winston AI boasts a remarkable 99.6% accuracy in distinguishing human and AI-generated content. Its advanced algorithms categorize text, offering in-depth plagiarism detection and readability analysis. Supporting various file types, including OCR, it provides free and paid. Key features include OCR, multilingual support, and detailed sentence-level analysis.