AI Content Detection

content detector.AI ContentDetector

Free online AI content detection tool to identify whether text is generated by AI models such as ChatGPT

Copyscape Copyscape

The world's most well-known online content duplication checking and plagiarism detection platform, focusing on web-level originality verification

DupliChecker DupliChecker

Free online plagiarism detection and text comparison tool, focusing on zero-cost content originality verification

GPTZero GPTZero

The world's first large-scale AI text detection tool, supporting multi-model recognition such as GPT-4, Claude, Gemini, etc.

GPTRadar GPTRadar

A lightweight tool focused on ChatGPT content detection

Grammarly Plagiarism Checker Grammarly

Grammarly’s built-in plagiarism detection function detects content originality based on grammar check