Skip to content
Natural Language Processing

GPTZero

GPTZero is an AI detection tool created by a Princeton student to identify text generated by AI systems like ChatGPT. It uses measures called perplexity and burstiness to analyze text and determine if it was likely written by a human or an AI. The tool integrates with learning management systems and offers a user-friendly interface where users can paste text or upload files for analysis. GPTZero provides overall detection results and highlights specific sentences that may be AI-generated. It's primarily used in academic settings to combat AI-generated plagiarism and maintain academic integrity. While not perfect, GPTZero has shown about 80% accuracy in detecting AI-written content, making it a valuable tool for educators and professionals concerned about AI-generated text.

Made by Edward Tian and Alex Cui · Listing checked Oct 10, 2024

What it does

Use it to

  • Verify the authenticity of student assignments and detect potential AI-generated content
  • Integrate AI detection capabilities into organizational systems and workflows
  • Maintain academic integrity by identifying AI-generated text in research papers and theses
  • Help journalists quickly determine if an article or news piece was written by AI or a human
  • Enable developers to incorporate AI detection features into their own applications
  • Enhance plagiarism detection tools by identifying AI-generated content
  • Provide detailed feedback on student writing and help build responsible writing habits
  • Monitor and maintain the authenticity of user-generated content on social writing platforms
  • Screen job applications for AI-generated resumes and cover letters during the hiring process
  • Analyze legal documents for potential AI-generated content to maintain their integrity

Pricing

Checked Oct 10, 2024
Starts at$10/mo
Free planYes
  • $10 - $23/mo
  • GPTZero offers a free version for basic AI detection and monthly subscription plans ($10 Essential, $16 Premium, $23 Professional) for advanced features. Team plans are available with unified billing and shared credits. An Enterprise plan is recommended for organizations, including API access. Users must agree to terms of use, including proper licensing and permissions for content. GPTZero does not store documents from API calls but may store aggregated data from dashboard inputs to improve the service. For detailed licensing information, refer to the official website and terms of use.

Prices come from GPTZero's public pricing page and change, so confirm on their site before you subscribe.

Good and watch out

What's good

  • Highly accurate AI content detection
  • User-friendly interface
  • Responsive customer support
  • Detailed reports
  • Specialized education models for educators

Watch out for

  • Challenges with complex tasks and integrations
  • Occasional false positives
  • Requires manual verification at times
  • Character limit for uploads
  • Needs ongoing improvements to maintain accuracy against newer AI models

Tool facts

Free Version

Yes

Pricing

$10 - $23/mo

API Available

Yes

Mobile App

No

Release date

December 31, 2022

Platforms

AI models

Languages

Tags

For developers

Integration Methods

  • Direct Integration through Website Interface
  • Chrome Extension
  • Zapier Integrations
  • Canvas Integration
  • Custom Integrations

Approach

  • Using Zapier
  • Custom Development

API

  • API key required for authentication
  • POST request to https://api.gptzero.me/v2/predict/text for text prediction
  • JSON request and response formats
  • Limited free usage without API key
  • Pricing information not explicitly stated
  • No SDKs or libraries mentioned, direct HTTP requests used
  • Main documentation: https://gptzero.stoplight.io/docs/gptzero-api/5bf295g49gwxp-gpt-zero-api
  • API usage and interpretation: https://support.gptzero.me/hc/en-us/categories/15129551811223-API
  • API availability: Yes

Sources

Community resources

Video tutorials

Recent news

Questions

How does GPTZero handle English as a Second Language (ESL) writing?
GPTZero has been debiased against ESL writing, improving its model by training it specifically for ESL writers. This ensures that the AI detector does not mistakenly classify writing from ESL speakers as AI-generated.
Can GPTZero detect AI-generated content in other languages besides English?
While GPTZero is primarily focused on English prose, it is designed to work robustly across a range of AI language models, including those that generate content in other languages. However, specific support and accuracy for non-English languages might vary.
How accurate is GPTZero in detecting AI-generated content compared to other tools?
GPTZero is considered one of the most accurate AI detectors, verified by multiple independent sources. It has been noted to detect AI-generated content with high accuracy, especially in scenarios like detecting Llama 3.1 with 99% accuracy.
Can GPTZero be integrated into learning management systems like Google Classroom or Canvas?
Yes, GPTZero can be integrated into learning management systems. For teachers using Google Classroom, Moodle, or Canvas, it is recommended to talk to the school administrator about integrating an AI detector and plagiarism checker into the system.
How does GPTZero present its results, and what do the perplexity and burstiness metrics mean?
GPTZero presents its results with a description of the detection, including sentence-by-sentence highlighting of sentences where AI is detected. The perplexity metric refers to the randomness of a text to a model, and burstiness refers to how uniform or constant the perplexity is over time compared to varied human-written text. Higher perplexity scores indicate that the text is more likely human-generated.
What are the limitations of using GPTZero, and how can it be improved?
GPTZero is still in beta mode and has limitations in its accuracy, particularly in detecting AI-generated content without false positives. It is recommended to use it sparingly while it is being developed and to consider combining it with other plagiarism detection tools for a holistic assessment of student work.

Articles that mention GPTZero

GPTZero alternatives

All alternatives

Compare GPTZero

Listing last checked Oct 10, 2024 against GPTZero's website and pricing page. Features and prices change; check the vendor's site before you rely on them.