GPTZero
The most precise AI content detector to verify human authenticity and detect AI-generated writing.
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.
Featured Video
Key Features
AI Content Detection
Detects AI-generated text from major AI models including ChatGPT, GPT-5, Gemini, Claude, and LLaMa with 99% accuracy.
Writing Feedback
Generates AI-powered writing feedback directly in Google Docs comments, customizable with rubrics and assignment prompts.
Plagiarism Checker
Checks for originality by detecting copied content from external sources without proper attribution.
Video Writing Replay
Provides a privacy-preserving video replay of the document's writing process to verify authentic human authorship.
Advanced Writing Insights
Offers detailed statistics on document lifespan, editing activity, copy-paste events, revision duration, and multi-user edits.
Chrome Extension Integration
Enables AI detection, writing feedback, and citation checks directly on webpages and Google Docs for seamless workflow.
Multi-language Support
Supports English, German, Portuguese, French, and Spanish with industry-leading accuracy and usage in over 100 countries.
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.
Use Cases
Academic Integrity Verification
Educators use GPTZero to detect AI-generated essays and assignments, ensuring students submit original work.
Writing Improvement for Students
Students receive AI-generated feedback to improve their writing skills and develop responsible AI usage habits.
Publishing Authenticity Checks
Publishers verify that submitted content is human-written to maintain quality and trustworthiness.
Recruitment Screening
Recruiters assess candidate writing samples to detect AI involvement and evaluate genuine communication skills.
Business Content Quality Assurance
Businesses ensure marketing, copywriting, and communications are authentically human-generated for brand integrity.
How to Use
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.
View Detection Results
Review the AI detection results showing the percentage of AI-generated content and highlighted AI-written phrases.
Use Chrome Extension
Install the free GPTZero Chrome extension to scan AI content and get writing feedback directly in Google Docs and on webpages.
Analyze Writing Report
Access detailed writing reports including video replays, typing pattern analysis, and plagiarism checks to verify authenticity.
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
|
| Professional Plan | Contact Sales | Unlimited scans
|
| Enterprise and Team Plans | Contact Sales | All Professional Plan features
|
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.
Our Test
Hands-on notes from our editorial team.
✅ Our Test
⬇️ Visit the Website
We went to the GPTZero site and noticed the tool offers 10K free credits per month after signing up. Without signing up, you can still test the tool directly on the homepage, but it limits you to7 free trials per day. After signing up, however, you receive33 free trials per day. We signed up using Google for convenience.
⬇️ Testing AI-Generated Text
On the dashboard, we added an AI-generated text created with ChatGPT and clicked the "Scan" button. The tool successfully detected it as AI-generated content.
<img decoding="async" class="alignnone size-full wp-image-58999" src="https://siteefy.com/wp-content/uploads/2024/12/GPTZero-results-for-AI-generated-content.png" alt="" width="1426" height="718" srcset="https://siteefy.com/wp-content/uploads/2024/12/GPTZero-results-for-AI-generated-content.png 1426w, https://siteefy.com/wp-content/uploads/2024/12/GPTZero-results-for-AI-generated-content-768x387.png 768w" sizes="(max-width: 1426px) 100vw, 1426px" />We repeated the process with another piece of AI-generated text, and the tool accurately identified it again as AI-generated.
⬇️ Testing Human-Generated Content
Next, we added a human-generated text and scanned it. GPTZero successfully identified it as human-written, confirming its accuracy. We then tested another shorter human-generated article. Once again, GPTZero detected it as human-written, passing our test with consistent results.
The tool worked as expected and accurately differentiated between AI-generated and human-written texts. It successfully passed all our tests.
Frequently Asked Questions
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