iThenticate
Publish with confidence
Founded
2004
Starting Price
$125
Category
Education & Learning
Last updated May 20, 2026
About iThenticate
iThenticate is a premium plagiarism and AI writing detection platform from Turnitin, built for researchers, scholars, publishers, and institutions. It compares manuscripts against a database of 54+ billion web pages plus premium scholarly content to verify originality before submission or publication.
Pros & Cons
Pros
- Industry-standard plagiarism detection trusted by major publishers and journals
- Massive content database including premium scholarly sources unavailable to free tools
- AI writing detection add-on covers modern ChatGPT-era concerns
- Detailed Similarity Report with source links and exclusion controls
- Supports large manuscripts (25,000 words per document)
Key Features
Similarity Detection
Compares manuscripts against a database of 54+ billion web pages and premium scholarly content to flag matching text with linked sources.
AI Writing Detection
Optional add-on that detects content potentially generated by ChatGPT and other AI writing tools, integrated into the Similarity Report.
Detailed Similarity Report
Highlights matching passages with source links and lets reviewers exclude specific matches for focused analysis.
Large File Support
Accepts manuscripts up to 25,000 words per document in DOC, DOCX, PDF, and other formats, including ZIP uploads for batches.
Scholarly Content Database
Cross-checks against premium publisher content not accessible to general-purpose plagiarism checkers.
Revision Allowances
Individual plans include revisions so authors can re-check the same manuscript after edits.
Organization Integrations
API access and integrations available for publishers, journals, and institutions on Organization plans.
Pricing
Single
$125/one-time
- 1 manuscript up to 25,000 words
- Similarity Report
- Includes revisions
- Access to full content database
Multiple
$300
Best For
Pre-submission manuscript checks
Researchers verify originality of journal articles, theses, and dissertations before submitting to publishers.
Editorial integrity workflows
Journals and publishers screen incoming submissions for plagiarism and AI-generated content as part of peer review.
Institutional research integrity
Universities and research institutes use Organization plans to audit faculty and graduate-student work at scale.
Grant and proposal screening
Funding bodies check grant applications for originality and self-plagiarism.
