GPTDetect.ai scans content to estimate whether it was written or created by AI. You paste text into the checker and it analyses it against patterns from popular models such as ChatGPT, Claude, Gemini and DeepSeek.
Besides text, it can also check images for AI generation, and it includes a plagiarism checker. There is a monthly word allowance for checks. It is useful for educators, publishers and businesses who want to review the authenticity of submitted work.
