GPTZero
verifiedFreemiumGPTZero AI text detector; widely used with very high traffic.
What it does
GPTZero is an AI detection tool designed to identify text generated by large language models such as ChatGPT, GPT-4, Gemini, Claude, and LLaMA. It offers features like sentence-level highlighting, AI vocabulary detection, plagiarism checking, and authorship verification. GPTZero aims to help educators, writers, and other professionals maintain academic integrity, ensure authenticity, and detect potential AI-generated content in various contexts.
How to use: To use GPTZero, simply paste the text you want to check into the provided text box or upload a file. The tool will then analyze the text and provide an overall detection result, highlighting sentences where AI is detected. For more extensive use, you can sign up for a free account or download the Chrome extension.
Core features
- ✦AI Detection
- ✦Advanced AI Scan
- ✦AI Vocabulary Detection
- ✦Plagiarism Checker
- ✦Authorship Verification
- ✦Source Finder
- ✦Grammar Check
- ✦AI Grader
Use cases
- →Detecting AI-generated content in student assignments
- →Verifying the authenticity of writing
- →Identifying plagiarism
- →Ensuring originality in content creation
- →Defending against AI phishing and cyberattacks
- →Training machine learning models with human data
Pricing
Reviews
Big-picture takes: what it's for and whether it delivers. High-engagement videos from YouTube — not sponsored.
Rephrasy AI Review - (2026) | AI Humanizer That ACTUALLY Bypasses GPTZero and Turnitin
Daniel | Tech & Data · 23K views
GPTZero Review 2026: Is This AI Detector Actually the BEST?
The Nerdy Novelist · 15K views
TwainGPT Review - 2026 | This AI Humanizer Bypasses Every AI Detector (GPTZero, ZeroGPT & More)
Daniel | Tech & Data · 14K views
Tutorials
Step-by-step: exactly how to get things done with it.
Make your ai essays stealth and beat gptzero easily
Lokko Labs · 205K views
BYPASS A.I. detector GPTZERO! The hardest A.I. detector to crack!
Brand Nat · 134K views
How to Use GPTZero | GPTZero Tutorial
GPTZero · 73K views