AI Detector by ContentDetector.AI

AI Detector by ContentDetector.AI is a straightforward web tool that analyzes any block of text and gives you a probability score for how likely it is to have been generated by an AI like ChatGPT, Claude, or Gemini. You simply copy and paste your text into the box, hit 'Scan', and within seconds you get a percentage result. It's designed to be a first-line check for authenticity, helping you identify content that might need a closer look.

What makes it stand out is its simplicity and lack of restrictions. There's no sign-up, no daily limit on checks, and no cap on the word count you can analyze. The tool also doubles as a handy word and character counter. Under the hood, it uses a detection model built by fine-tuning OpenAI's GPT-2 with a Roberta model, aiming for reasonable accuracy, though the site is transparent that no detector is 100% foolproof.

This tool is most useful for bloggers and website owners who want to audit their content, teachers checking student submissions, and marketing teams ensuring their copy doesn't sound robotic. It’s a practical, no-frills utility for anyone who needs a quick, free gut check on whether a piece of writing came from a person or a large language model.