AICheatCheck

TheChecker.AI detects AI-generated text with 93% accuracy across 40+ models — Claude, GPT-5, Gemini & more. Free demo: check your writing before you submit it. TheChecker.AI identifies AI-generated text from Claude, GPT-5, Gemini, and 40+ models. Trusted by 10,000+ students, writers and professionals who read their own work before anyone else does. Join 10,000+ students, writers & content professionals Results processed in 2.3 seconds. Our models check 14+ statistical language markers. Each analysis includes sentence-level scoring and confidence assessments. Connect our AI detector and humanizer to Claude — or any MCP client — as native tools. Same engines, same account, no copy-paste between tabs.