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GCopyleaks AI Detector vs Originality.ai
Pricing, features, platforms and who each one suits — side by side.
VS
C
Choose Copyleaks AI Detector if…
- you're in its core audience: educators, students
O
Choose Originality.ai if…
- you want the lower entry price ($12.95/mo vs $13.99/mo)
- you work on Chrome
- you're in its core audience: content publishers, marketing agencies
Side by side
Feature Copyleaks AI Detector Originality.ai
Pricing modelFreemiumFreemium
Starting price$13.99/mo$12.95/mo
Free plan
Free trial
API
Open source
Cost per 1,000 words processed—$0.065
Trains AI on your content—Yes, unless you opt out
Data retention—Scan history kept 30 days (Pro) or 365 days (Enterprise)
Sentence-level highlights—
Plagiarism checker—
Writing replay—
Bulk processing—
Shareable reports—
Docs/LMS integration—
PlatformsWeb, APIWeb, Chrome, API
CategoryAI Detection & HumanizersAI Detection & Humanizers
CompanyCopyleaksOriginality AI Inc.
Based in—Canada
Founded—2022
Part of——
Key features
C
- Detects AI-generated text from ChatGPT, Gemini and others
- Plagiarism detection for text
- AI image detection
- Credit system: one credit covers 250 words or one image
- One-time extra credit purchases
- API access on enterprise plans
- LMS integration for education
O Originality.ai
- AI text detection with sentence-level highlights
- Plagiarism checker
- Fact and AI hallucination checker
- Grammar and readability checkers
- Bulk Scan for many documents
- Writing Replay showing how a document was written
- Deep Scan editing suggestions
- Shareable reports and PDF downloads
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Copyleaks AI Detector
FreeFree
Personal$16.99/mo, or $13.99/mo billed annually
Pro$99.99/mo, or $74.99/mo billed annually
Education / EnterpriseCustom
Originality.ai
FreeFree
Pro$14.95/mo, or $12.95/mo billed yearly ($155.40/yr)
Enterprise$179/mo, or $136.58/mo billed yearly ($1,638.96/yr)
Strengths and limitations
Copyleaks AI Detector
- Free credits for new users
- Covers AI detection, plagiarism and image detection in one plan
- Annual billing lowers Personal to $13.99/mo
- Unused monthly credits are cancelled at the end of each month
- API and LMS access only on custom-priced plans
Originality.ai
- Free tier includes AI, plagiarism, grammar and fact checks
- Pro plan starts at $12.95/mo billed yearly
- Integrations for Chrome, Firefox, Google Docs, Moodle and Google Classroom
- Detects text that was paraphrased with AI
- API access only on the $179/mo Enterprise plan
- Credit-based usage: 1 credit equals 100 words
- Pricing page gives conflicting details on free credits and Pro scan history
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy