Skip to content
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

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)

Ratings aggregated from independent review platforms. Learn more

Key Features

AI detectionContent authenticityWriting analysisBatch processingAPI accessEducation focused

Pricing Plans

Free

$0

  • 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

Reviews

4.3/5

Across 99 verified user reviews on G2

Add your hands-on experience to help the next buyer.

Best GPTZero Alternatives

Top alternatives based on features, pricing, and user needs.

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

Explore More

GPTZero FAQ

What is GPTZero?

GPTZero is the first and leading AI detector that identifies content generated by large language models like ChatGPT, GPT-4, Gemini, Claude, and Llama with 99% accuracy according to independent benchmarks.

What features does GPTZero offer?

GPTZero offers AI content scanning with sentence-level detection and color-coded highlighting, grammar and spelling checking, plagiarism detection, citation verification, hallucination detection, and integrations with Chrome, Google Docs, Canvas, and Google Classroom.

Who uses GPTZero?

Over 380,000 educators use GPTZero to maintain academic integrity and detect AI-generated student work. Publishers, marketers, recruiters, and organizations across hiring, legal, and publishing sectors also use it to verify authentic content.

How accurate is GPTZero?

GPTZero has a 99% accuracy rate according to independent benchmarks, supporting detection across multiple AI models and mixed documents containing both human and AI writing.

Source: gptzero.me

Guides & Articles