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GPTZero

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Detect AI-generated text with high accuracy

Writing & ContentAssessment ToolsNLP Tools
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Reviews onG2
99 reviews tracked

The 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
Pricing: Free plan available
Best for: Growing teams
4.3/5 across review platforms

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

how we evaluateSourcegptzero.me ↗

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

4.3(99 reviews)
G299 reviews
4.3/5

Ratings aggregated from independent review platforms. Learn more

Key Features

AI detectionContent authenticityWriting analysisBatch processingAPI accessEducation focused

Pricing Plans

Pricing checked Jul 10, 2026

Free

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
Calculate your costView full pricing

Reviews

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4.3/5

Across 99 verified user reviews on G2

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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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