Side by side
Copyleaks - Plagiarism detector vs Originality
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Instantly detect plagiarism and AI-generated content.
Checked content's originality & plagiarism.
Primary task
AI detection
AI detection
Pricing
Paid · from $13.99/mo
Paid · from $12.40/mo
Pricing details
from $13.99/mo
from $12.40/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Not documented
Platforms
Web, Chrome Extension
Web, Chrome Extension
Integrations
Not documented
Chrome
Source rating
No rating recorded
3.6 / 5 · 7 ratings
Catalog views
4.8k
13k
Estimated monthly traffic
3.4M
2.7M
Catalog imported
29 Aug 2026
30 Aug 2026
Listed strengths
- Multi-language support
- 99.12% accuracy
- Scheduled recurring scans
- Detects hidden characters
- Detects paraphrasing
- High accuracy rate (96%)
- Affordable pricing model
- Chrome extension available
- API integration
- Offers Readability Checker
Listed limitations
- Limited to major languages
- Not transparent about data use
- No option for one-time use
- Possibly overzealous algorithm
- 99.12% accuracy means errors
- Not designed for academia
- Doesn't offer a free option
- Full site scan not yet available
- Expense associated with high accuracy
- Lack of specialised pricing plans