GPTZero

GPTZero: The Leading AI Detector for Accurate Content Verification

What is GPTZero?

GPTZero is a cutting-edge AI detector designed to identify content generated by large language models (LLMs) like ChatGPT, Gemini, and others. Launched in January 2023, it has quickly become a trusted tool for over 10 million users across education, hiring, publishing, legal, and various other sectors.

How does GPTZero work?

GPTZero employs a sophisticated multi-step approach with seven components to analyze text and determine if it was AI-generated. The key factors it considers include:

• Perplexity: Assessing the predictability of the writing.
• Burstiness: Examining variations in sentence length and style.
• Style: Identifying generic or repetitive writing styles.

The model specializes in detecting content from ChatGPT, GPT-4, Gemini, Claude, and LLaMa models, achieving high accuracy with minimal false positives.

Key Features and Benefits

• High Accuracy: Independent benchmarks show GPTZero Advanced Scan has best-in-class accuracy, with a 99% accuracy rate in spotting AI-generated text versus human writing.
• Advanced AI Scan: Provides detailed insights into how different sentences contribute to the overall result.
• Plagiarism Checker: Ensures originality by checking if content was copied from external sources.
• Writing Feedback: Offers custom AI-powered writing feedback tools to build responsible writing habits.
• AI Vocabulary Check: Helps improve writing quality and vocabulary usage.
• Authorship Verification: The writing reports allow you to verify your documents are human-written. The writing video, in particular, is a great way to visualize the writing process!

Who is GPTZero for?

GPTZero is a valuable tool for various users:

• Educators: To guide conversations on academic integrity and writing improvement. Used in over 3500 colleges and hundreds of institutions.
• Students: To improve writing skills and ensure originality.
• Publishers, Recruiters, Copywriters, Marketers, and Businesses: Where authentic and quality writing is essential.

GPTZero Pricing and Plans

GPTZero offers a range of plans to suit different needs:

• Free: Basic AI detection with 10,000 words per month.
• Essential ($8.33/month): 150,000 words per month, grammar check, AI vocabulary check, and Chrome extension.
• Premium ($12.99/month): 300,000 words per month, advanced scan, writing feedback, plagiarism check, and source citation generation.
• Professional ($24.99/month): 500,000 words per month, team collaboration, enterprise-grade security, and LMS integration.

Integrations

GPTZero offers built-in AI detection for classrooms and workspaces through integrations with:

• Chrome
• Google Docs
• Classroom
• Canvas
• Moodle
• Zapier
• API

GPTZero Reviews

• Kyle Wiggins, TechCrunch: "GPTZero was the only consistent performer, classifying AI-generated text correctly."
• Samantha Warren, CEO, Transit Pluto Studios: "GPTZero has been incomparably more accurate than any of the other AI checkers."
• Randi Weingarten, President, American Federation of Teachers: "This tool is a magnifying glass to help teachers get a closer look behind the scenes of a document."

Why Choose GPTZero?

• Reliability: Ranked as the #1 most trusted and reliable AI tool by G2 in 2025.
• Accuracy: Consistently rated the most accurate AI detector with 99% accuracy rates.
• Interpretability: Explains why text is identified as AI-generated with natural language and provides sentence-level AI detection.

Conclusion

GPTZero stands out as a leading AI detector, offering unparalleled accuracy and comprehensive features for content verification. Whether you're an educator, student, or professional, GPTZero provides the tools you need to maintain authenticity and ensure the quality of your writing. It is the best AI detection tool for teachers and educators.