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Head-to-head · AI Plagiarism Checkers

Turnitin Originality vs iThenticate

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Turnitin Originality #2 in AI Plagiarism Checkers 9.3/10 Pricing on request ✓ 3 of 3 features Visit Turnitin
iThenticate #7 in AI Plagiarism Checkers 8.6/10 Paid ✓ 1 of 3 features Visit iThenticate

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

Our verdict

  • Highest scoreTurnitin Originality · 9.3/10
  • Most featuresTurnitin Originality · 3 of 3

Turnitin Originality scores higher on our rubric for ai plagiarism checkers: 9.3 against 8.6 out of 10; our editors rank them #2 and #7.

Turnitin Originality is the better fit for institutions needing AI and authorship safeguards. iThenticate is the better fit for publishers and organizations checking submissions.

  • Turnitin Originality fits best

    Institutions needing AI and authorship safeguards

  • iThenticate fits best

    Publishers and organizations checking submissions

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Side by side

Feature Turnitin Originality 9.3/10 Visit ↗ iThenticate 8.6/10 Visit ↗
At a glance
Editor score 9.3 8.6
Ranking #2 in AI Plagiarism Checkers #7 in AI Plagiarism Checkers
Best for Institutions needing AI and authorship safeguards Publishers and organizations checking submissions
Pricing model Paid Paid
Starting price Pricing on request $125 one-time
Free plan Not checked yet —
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Integrations 9 integrations 3 integrations
Features Turnitin Originality 3/3 · iThenticate 1/3
LMS integrations ✓ (best) Not checked yet
API access ✓ ✓
AI writing check ✓ (best) Not checked yet
Specs
Source coverage Web_academic_and_publisher Not checked yet
Maximum document words Not checked yet Not checked yet
Supported file formats DOC, DOCX, PDF, PPTX, PPSX, XLS, XLSX, PS, RTF, HTM, HTML, WPD, ODT, TXT, HWP, HWPX Not checked yet
Report export Pdf Not checked yet
Our review
Pros
  • Detects AI writing, paraphrasing, and bypassing with percentage indicators.
  • Connects with major LMS platforms, LTI, Microsoft Teams, and Google Classroom.
  • Adds authorship, metadata, similarity, citation, and PDF report capabilities.
  • Checks web pages, publications, journals, Crossref, and submitted works
  • Provides comparison views, highlighted reports, and PDF downloads
  • Supports organizational API access, LTI, and SSO integrations
Cons
  • Institutional subscriptions require contacting sales rather than choosing a public plan.
  • The product is sold to educational institutions, not directly to individuals.
  • Product details may vary by license and market.
  • No free plan is available
  • Individual access starts at a $125 one-time purchase
  • Organization pricing is customized rather than published
Our verdict

Turnitin Originality is an institutional academic-integrity solution for educators and education providers. It combines similarity checking with AI-writing detection, AI paraphrasing and bypassing detection, authorship reports, submission…

Read the review →

iThenticate is a web-based similarity-checking product from Turnitin for scholarly publishers, research departments, institutions, authors, and researchers. It compares manuscripts and other documents with internet pages, archived web…

Read the review →
  1. Turnitin OriginalityAI Plagiarism Checkers 9.3Pricing on request
  2. iThenticateAI Plagiarism Checkers 8.6Paid

Strengths and trade-offs

  • Turnitin Originality — where it wins

    • Detects AI writing, paraphrasing, and bypassing with percentage indicators.
    • Connects with major LMS platforms, LTI, Microsoft Teams, and Google Classroom.
    • Adds authorship, metadata, similarity, citation, and PDF report capabilities.

    Where it doesn't

    • Institutional subscriptions require contacting sales rather than choosing a public plan.
    • The product is sold to educational institutions, not directly to individuals.
    • Product details may vary by license and market.

  • iThenticate — where it wins

    • Checks web pages, publications, journals, Crossref, and submitted works
    • Provides comparison views, highlighted reports, and PDF downloads
    • Supports organizational API access, LTI, and SSO integrations

    Where it doesn't

    • No free plan is available
    • Individual access starts at a $125 one-time purchase
    • Organization pricing is customized rather than published

More comparisons

All AI plagiarism checkers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update