authentiGPT is a website product designed to detect whether text content was created by humans, AI, or a combination of both. It can accurately and quickly identify the source of text creation and provides explanations. Leveraging the cutting-edge research of the MIT team, authentiGPT efficiently assesses the level of human and AI involvement within the text. It supports text inputs of various paragraph lengths, enabling both line-by-line analysis and an overview of the contributions of both humans and AI from a broader perspective. Key features include: accurate detection of text creation, support for batch uploading of multiple files, and generating reports for convenient summary. Typical use cases include detecting article ownership and verifying the source of legal documents. Compared to other algorithms, authentiGPT boasts unparalleled accuracy in human-AI recognition.