Originality.AI

Moreover, its AI writing detection tool has the capability to identify if content was created with AI writing tools such as GPT-3, GPT-2, GPT-NEO and GPT-J, and generate a score from 0-100 on the likelihood that the content was generated by an AI writing tool.

It also includes a full site scan feature (launching soon) which enables users to scan a website for plagiarism and AI generated content. Originality.AI is available for a low price of $0.01 per 100 words per scan, with automatic billing.