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GPTZero

Freemium#2 of 25 in AI Content DetectorsAI Content Detection SoftwareAI Detection SoftwarePlagiarism Detection Software

GPTZero: A broad detection and verification toolkit for education workflows. Ranked #2 of 25 in AI Content Detectors by our editors (9.2/10); pricing: Free plan · 14-day trial; best for educators using process verification and LMS tools.

9.2/10Editor score
Visit GPTZero
GPTZero9.2 Visit GPTZero

At a glance

  • Editor score
    9.2 / 10
  • Pricing
    Free plan · 14-day trial
  • Best for
    Educators using process verification and LMS tools
  • Free plan
    Yes
  • Detection languages
    5 languages
  • Founded
    2023 · New York, United States
  • Facts checked
    19 Sep 2026
GPTZero screenshot

  • Where it wins

    • Document and sentence-level detection with paraphrase scanning
    • Writing-process replay, verification reports, and batch scanning
    • Google Classroom, Canvas, Moodle, Zapier, API, and Chrome extension

  • Where it doesn't

    • Paid plan pricing is not presented as a fixed public amount
    • The product is not open source
    • Its focus is detection and verification rather than content creation

Our verdict on GPTZero

GPTZero is an AI content detection service for educators, students, writers, publishers, recruiters, and businesses. Users can paste text or upload documents for document-level results with sentence-level highlighting. It detects AI-generated text across major language models, supports 5 languages, and includes AI paraphrase and bypasser detection. A free plan and 14-day trial make it accessible for initial evaluation, while the web app, Chrome extension, and API cover different working environments.

Its strongest fit is education and workflow verification. Google Classroom, Canvas, and Moodle integrations connect detection with common learning-management environments, while Google Docs support and the Chrome extension help scan documents and web pages. Zapier adds workflow automation, and the API accepts text or files and returns document-, paragraph-, and sentence-level probabilities. These options give institutions multiple ways to incorporate detection into existing processes instead of relying only on manual uploads.

The standout feature is the combination of detection with process evidence. Writing-process replay and verification reports extend beyond a document-level result, while batch upload and scanning support larger review queues. That broader toolkit suits educators and organizations that need both content signals and writing-history context. GPTZero is a strong choice for teams seeking detection, paraphrase checks, reporting, and education integrations; those looking for open-source software or a product centered on content creation should choose an alternative.

Your product? Our editors can test GPTZero in depth and publish a review, labelled as paid · from $149/mo →

GPTZero pricing

Plans Free plan · 14-day trialFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 19 Sep 2026.
See plans on gptzero.me

GPTZero fact sheet

Free planYes
Paid fromNot verified
Detection languages5 languages
Word limitNot verified
Paraphrase detectionYes
API accessYes
Browser extensionYes
Batch scanningYes
Free trial14 days
DeploymentCloud, Browser extension
PlatformsWeb, Chrome extension
Integrations5 integrations: Google Docs, Google Classroom, Canvas, Moodle, Zapier
PricingFree plan · 14-day trial (source)
Websitegptzero.me
Facts checked19 Sep 2026

GPTZero integrations

GPTZero lists 5 integrations on its own site.

  • Google Docs
  • Google Classroom
  • Canvas
  • Moodle
  • Zapier

Alternatives to GPTZero

See all GPTZero alternatives →

GPTZero vs the competition

Compare GPTZero with any tool side by side →

Also Ranked In

GPTZero is ranked in 4 of our directories.

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Featured on iTechGuides

Featured on iTechGuides — GPTZero 9.2/10

GPTZero is listed in our AI Content Detectors directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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