# ChatGPTLie — Free AI Fact-Checker & Hallucination Detector > ChatGPTLie is a free, privacy-first web utility that verifies factual assertions in AI-generated text from ChatGPT, Claude, Gemini, and DeepSeek in real-time. ## Key Features - Real-time fact-checking of dates, historical events, scientific laws, statistics, and legal case citations. - Interactive color-coded truth reports (Green for verified facts, Red for hallucinations). - 1-click Cleaned Text Generator that replaces fabricated statements with verified ground-truth facts. ## Canonical URL - Website: https://www.chatgptlie.com/ - Sitemap: https://www.chatgptlie.com/sitemap.xml - Alternative to: GPTZero, Copyleaks, Turnitin