Overview

GPTZero is a leading AI detection platform designed to identify text generated by AI models such as ChatGPT, GPT-5, Gemini, Claude, and LLaMa. It offers advanced AI detection with 99% accuracy, supports multiple languages, and integrates seamlessly with educational and professional tools to promote responsible AI use and preserve human writing authenticity. The platform includes features like plagiarism detection, writing feedback, video replay of writing processes, and detailed writing reports, making it trusted by educators, publishers, and businesses worldwide.

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Key Features

1

AI Content Detection

Detects AI-generated text from major AI models including ChatGPT, GPT-5, Gemini, Claude, and LLaMa with 99% accuracy.

2

Writing Feedback

Generates AI-powered writing feedback directly in Google Docs comments, customizable with rubrics and assignment prompts.

3

Plagiarism Checker

Checks for originality by detecting copied content from external sources without proper attribution.

4

Video Writing Replay

Provides a privacy-preserving video replay of the document's writing process to verify authentic human authorship.

5

Advanced Writing Insights

Offers detailed statistics on document lifespan, editing activity, copy-paste events, revision duration, and multi-user edits.

6

Chrome Extension Integration

Enables AI detection, writing feedback, and citation checks directly on webpages and Google Docs for seamless workflow.

7

Multi-language Support

Supports English, German, Portuguese, French, and Spanish with industry-leading accuracy and usage in over 100 countries.

8

API Integration

Provides a powerful API for developers to integrate AI detection capabilities into any platform with ready-to-use code in multiple programming languages.

Who It's For

How to Use

1

Paste or Upload Text

Paste raw text or upload a document for review on the GPTZero platform and click 'Scan'. For texts over 10,000 characters, create a free account first.

2

View Detection Results

Review the AI detection results showing the percentage of AI-generated content and highlighted AI-written phrases.

3

Use Chrome Extension

Install the free GPTZero Chrome extension to scan AI content and get writing feedback directly in Google Docs and on webpages.

4

Analyze Writing Report

Access detailed writing reports including video replays, typing pattern analysis, and plagiarism checks to verify authenticity.

5

Integrate via API

For organizations, integrate GPTZero’s AI detection capabilities into existing platforms using the available API and developer resources.

Pricing

Pricing details are gathered from the official GPTZero website and are provided for reference only. Always confirm the latest information directly with the vendor.

Plan	Price	Highlights
Free Plan	$0	Scan up to 10,000 characters per scan Basic AI detection Access to Chrome extension Writing feedback in Google Docs
Professional Plan	Contact Sales	Unlimited scans Advanced AI detection and insights Plagiarism detection Video writing replay API access for developers Integration with LMS platforms
Enterprise and Team Plans	Contact Sales	All Professional Plan features Shared team credits Unified billing Dedicated support Custom integrations

Found a change in pricing? We welcome corrections. Reach out so we can keep this listing accurate.

Pros & Cons

Pros

High detection accuracy with independent validation and low false positive rates.
Supports detection across a wide range of AI language models, not limited to ChatGPT.
Integrates easily with popular educational platforms and Google Docs via Chrome extension.
Includes advanced features like video replay and detailed writing reports for authenticity verification.
Offers multi-language support and is debiased for ESL learners to reduce false positives.

Cons

No explicit pricing details publicly available; requires contacting sales for enterprise plans.
Free usage limited to text scans under 10,000 characters without account creation.
AI detection is not 100% perfect; results should be used responsibly and not as sole evidence.
Some advanced features like plagiarism detection and API access may require paid plans.
Limited to text-based AI detection; does not analyze non-text content such as images or audio.

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Ratings & reviews

Average rating

4.01 review

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Community reviews (1)

Most recent

Lisa JRising Star4/5
Jul 22, 2026
Recommends this tool
I found out about GPTZero through a friend and I've used it a few times to check whether my writing might be AI-generated. It's definitely not perfect and has its limitations, but I still find it helpful.
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