Side by side
Ahrefs Plagiarism Checker vs Copyleaks
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Scan your content for plagiarism instantly.
Detect plagiarism and AI-generated content instantly
Primary task
Plagiarism detection
Plagiarism detection
Pricing
Free
Paid · from $7.99/mo
Pricing details
Free
from $7.99/mo
Billing cycle
Not documented
Monthly
API access
Not documented
Not documented
Platforms
Web
Web, Chrome Extension
Integrations
Not documented
Not documented
Source rating
3.5 / 5 · 2 ratings
No rating recorded
Catalog views
578
2.6k
Estimated monthly traffic
—
3.4M
Catalog imported
30 Aug 2026
29 Aug 2026
Listed strengths
- Detailed originality report
- Enhances content credibility
- Minimizes copyright infringements
- Suitable for content creators
- Helpful for academic institutions
- High accuracy plagiarism detection
- API and LMS integration
- Chrome extension available
- Multi-language support
- Copy detection in code
Listed limitations
- Limited to TXT files
- Upload size cap 10MB
- No real-time checking
- No multi-language support
- Unspecified database size
- No mobile app
- Limited functionality in extension
- No offline mode
- Potential false positives
- Limited LMS integrations