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Head-to-head · Plagiarism Checkers

Turnitin AI Writing Detection vs Copyscape

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Turnitin AI Writing Detection #1 in Plagiarism Checkers 9.4/10 Pricing on request ✓ 4 of 4 features Visit Turnitin
Copyscape #4 in Plagiarism Checkers 8.9/10 Free plan Free plan✓ 2 of 4 features Visit Copyscape

Turnitin AI Writing Detection leads on 0 checks, Copyscape on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreTurnitin AI Writing Detection · 9.4/10
  • Free planonly Copyscape
  • Most featuresTurnitin AI Writing Detection · 4 of 4

Turnitin AI Writing Detection scores higher on our rubric for plagiarism checkers: 9.4 against 8.9 out of 10; our editors rank them #1 and #4.

Copyscape offers free plan; Turnitin AI Writing Detection doesn't.

Turnitin AI Writing Detection is the better fit for institutions focused on AI-writing detection. Copyscape is the better fit for web publishers and teams checking site content.

  • Turnitin AI Writing Detection fits best

    Institutions focused on AI-writing detection

  • Copyscape fits best

    Web publishers and teams checking site content

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Turnitin AI Writing Detection 9.4/10 Visit ↗ Copyscape 8.9/10 Visit ↗
At a glance
Editor score 9.4 8.9
Ranking #1 in Plagiarism Checkers #4 in Plagiarism Checkers
Best for Institutions focused on AI-writing detection Web publishers and teams checking site content
Pricing model Paid Free plan + paid
Starting price — —
Free plan — ✓ (best)
Free trial — —
Deployment Cloud Cloud, Self-hosted
Platforms Web Web
Integrations 14 integrations 1 integrations
Features Turnitin AI Writing Detection 4/4 · Copyscape 2/4
Web source matching ✓ ✓
Academic source matching ✓ (best) Not checked yet
API access ✓ ✓
LMS integration ✓ (best) Not checked yet
Specs
Supported languages Not checked yet Not checked yet
Word limit Not checked yet Not checked yet
Report export formats PDF JSON, XML, HTML
Our review
Pros
  • Highlights predicted AI-generated segments with an overall percentage
  • Detects AI-paraphrased or bypassed English text
  • Integrates with major LMS platforms and exports PDF or CSV reports
  • Batch Search checks up to 10,000 website pages
  • Private indexes support internal duplication checks
  • API, WordPress, case tracking, and team management included
Cons
  • No free plan for individual or self-serve evaluation
  • Pricing is quote-based and depends on institution size and requirements
  • Focused on AI-writing detection rather than conventional similarity checking
  • Premium searches use pay-per-search pricing
  • Academic-source matching is not part of its stated focus
  • The free checker focuses on finding copies of web pages
Our verdict

Turnitin AI Writing Detection is an institutional feature and add-on for identifying text that may have been generated or modified by generative AI tools. It is designed for educators and academic-integrity teams handling assignments…

Read the review →

Copyscape is an online plagiarism detection service for content managers, website owners, publishers, educators, and organizations. It checks pasted text, uploaded PDF and Word files, and website pages for matching content. The product is…

Read the review →
  1. Turnitin AI Writing DetectionPlagiarism Checkers 9.4Pricing on request
  2. CopyscapePlagiarism Checkers 8.9Free plan

Strengths and trade-offs

  • Turnitin AI Writing Detection — where it wins

    • Highlights predicted AI-generated segments with an overall percentage
    • Detects AI-paraphrased or bypassed English text
    • Integrates with major LMS platforms and exports PDF or CSV reports

    Where it doesn't

    • No free plan for individual or self-serve evaluation
    • Pricing is quote-based and depends on institution size and requirements
    • Focused on AI-writing detection rather than conventional similarity checking

  • Copyscape — where it wins

    • Batch Search checks up to 10,000 website pages
    • Private indexes support internal duplication checks
    • API, WordPress, case tracking, and team management included

    Where it doesn't

    • Premium searches use pay-per-search pricing
    • Academic-source matching is not part of its stated focus
    • The free checker focuses on finding copies of web pages
  • Turnitin AI Writing Detection9.4/10 · Pricing on request

    A focused institutional tool for identifying text that may be AI-generated or modified.

    Visit TurnitinFull verdict →
  • Copyscape8.9/10 · Free plan

    A web-focused plagiarism checker with batch searches, private indexing, and API automation.

    Visit CopyscapeFull verdict →

More comparisons

All plagiarism checkers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update