Detect AI-generated text with high accuracy
Visit WebsiteThe Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
AI text detection
Biggest con
False positives
TL;DR - GPTZero
- 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
What is GPTZero?
Available on: Web, Chrome
Pros & Cons
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
Ratings Across the Web
What people say
“The results from GPTZero is clear and transparent. The sentence-level highlights make it is easy to understand why something is flagged, not just that it is. It feels practical and trustworthy, especially for academic and professional use.”via G2
Ratings aggregated from independent review platforms. Learn more
Key Features
Pricing Plans
Pricing checked Jul 30, 2026
Free
- Basic AI detection
- Limited scans
- Get started free
Professional
Custom
- Save 45% annual
- API access
- 17 programming languages
- Zapier integration
Enterprise
Custom
- Team features
- Shared credits
- Unified billing
- Contact sales
Is GPTZero worth the price?
The pricing structure for GPTZero is somewhat opaque, with no public pricing for the Professional or Enterprise tiers.
While a free tier is offered, the lack of transparent pricing for paid plans makes it difficult to assess fairness. This model is best suited for users who need basic detection and are willing to contact sales for advanced features.
Hidden Costs & Gotchas
Professional tier requires contacting sales for pricing.
Enterprise tier requires contacting sales for pricing.
Annual commitment for Professional tier discount.
Potential overage fees for scans not specified.
How GPTZero Compares to Competitors
Compared to tools like Originality.ai, which offers transparent pay-as-you-go pricing starting at $20 for 20,000 credits, GPTZero's custom pricing for professional tiers lacks clarity. Turnitin, another competitor, primarily focuses on institutional licenses, making direct price comparison difficult but also highlighting GPTZero's less transparent approach for individual/business users.
Reviews
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GPTZero FAQ
How does GPTZero help educators maintain academic integrity?
Which teams benefit most from using GPTZero?
How is GPTZero priced?
Can GPTZero detect AI-generated text in multiple languages?
What kind of limitations should users be aware of when using GPTZero?
How does GPTZero compare to Copyleaks for AI text detection?
Source: gptzero.me