Side by side
Copyleaks - Plagiarism detector vs Free AI Detector by ContentAtScale
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Instantly detect plagiarism and AI-generated content.
Detect AI-generated content with free online tool
Primary task
AI detection
AI detection
Pricing
Paid · from $13.99/mo
Paid · from $49/mo
Pricing details
from $13.99/mo
from $49/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Not documented
Platforms
Web, Chrome Extension
Web
Integrations
Not documented
WordPress, Shopify
Source rating
No rating recorded
5.0 / 5 · 2 ratings
Catalog views
4.8k
12k
Estimated monthly traffic
3.4M
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Catalog imported
29 Aug 2026
29 Aug 2026
Listed strengths
- Multi-language support
- 99.12% accuracy
- Scheduled recurring scans
- Detects hidden characters
- Detects paraphrasing
- Reliable detection
- Efficient content analysis
- Can detect GPT-3 content
- Can detect ChatGPT content
- API for bulk analysis
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
- Only supports English
- Limited to 2500 characters
- Results unreliable under 25 words
- API availability not explicit
- No mobile app
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