GPTZero

Name: GPTZero
Brand: GPTZero
Rating: 3.3 (236 reviews)

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Detect AI-generated text with high accuracy

Free plan available, paid tiers above

Freemium Writing & Content Assessment Tools NLP Tools

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3.3 (236 across the web)

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Reviews on G2 Trustpilot

236 reviews tracked

The Bottom Line

Updated Jul 20, 2026

Price: Free plan available, paid tiers above. Compare plans

Key facts

Leading AI content detector with 99% accuracy used by 3,500+ colleges and 10 million users
Detects AI text from ChatGPT, Gemini, Claude and highlights which phrases are likely AI-written
Plagiarism checker scans 100M+ scholarly articles with Chrome extension and LMS integration

Pros

AI text detection
Educational focus
API available
Good accuracy
Multiple languages

Cons

False positives
Arms race with AI
Pricing for scale
Accuracy varies
Ethical concerns

What is GPTZero?

Editorial review

GPTZero detects AI-generated text in writing with high accuracy for educators and publishers. Teachers identify when students use ChatGPT or other AI tools in assignments. The platform provides detailed analysis and writing reports for academic integrity.

Available on: Web, Chrome

Louis Corneloup Updated Jul 20, 2026 · how we evaluate Source gptzero.me ↗

Ratings Across the Web

3.3 (236 reviews)

GPTZero holds an aggregate rating of 3.3 out of 5 from 236 reviews across G2 and Trustpilot, last checked September 17, 2026.

G2 101 reviews

4.3/5

Trustpilot 135 reviews

2.3/5

Ratings aggregated from independent review platforms. Learn more

Key Features

AI detection
Content authenticity
Writing analysis
Batch processing
API access
Education focused

Pricing Plans

Pricing checked Sep 29, 2026

GPTZero plans and prices, checked September 2026
Plan	Price	Details
Free	$0	Basic AI detection Limited scans Get started free
Professional	Custom	Save 45% annual API access 17 programming languages +1 more Show less Zapier integration
Enterprise	Custom	Team features Shared credits Unified billing +1 more Show less Contact sales

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Is GPTZero worth the price?

Fair value

The pricing structure for GPTZero is somewhat opaque, with no public pricing for the Professional or Enterprise tiers.

This model is best suited for users who need basic detection and are willing to contact sales for advanced features.

Full GPTZero pricing: every plan, hidden costs and alternatives

Reviews

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3.3/5

Across 236 verified user reviews on Trustpilot, G2

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Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

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GPTZero FAQ

How does GPTZero help educators maintain academic integrity?

GPTZero helps educators identify when students use AI tools like ChatGPT in assignments by detecting AI-generated text. The platform provides detailed analysis and writing reports to support academic integrity efforts.

Which teams benefit most from using GPTZero?

GPTZero is particularly beneficial for educational institutions and publishing houses. Educators can use it to assess student work, while publishers can ensure content originality.

How is GPTZero priced?

GPTZero is available on a free tier, allowing users to get started without initial cost. For users requiring more extensive usage and additional features, paid plans are offered.

Can GPTZero detect AI-generated text in multiple languages?

Yes, GPTZero is designed to detect AI-generated text across multiple languages. This feature enhances its utility for a diverse range of users and content.

What kind of limitations should users be aware of when using GPTZero?

Users should be aware that GPTZero, like other AI detection tools, can sometimes produce false positives. There is also an ongoing 'arms race' with AI development, meaning accuracy may vary as AI models evolve.

How does GPTZero compare to Copyleaks for AI text detection?

GPTZero focuses on high accuracy in detecting AI-generated text, particularly for educational and publishing contexts, and offers an API for integration. While Copyleaks also provides AI detection, GPTZero emphasizes its educational focus and detailed writing reports.

Source: gptzero.me

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