Originality.ai
AI and plagiarism detection built for publishers, with team seats and site scans.
4.4(247 reviews)MatchFast editorial rating, not a verified user review average.
- Price
- Free + from $12.95/mo (annual)
- Founded
- Not available
- HQ
- Not available
- Employees
- Not available
About Originality.ai
Originality.ai is aimed at content buyers rather than teachers. Alongside AI detection it does plagiarism, grammar, readability and fact checking, and it can scan a whole site rather than one page at a time. Credits work at one per hundred words for AI-only scans and two when plagiarism is included. The free tier allows three scans a day at 2,000 words each.
Key platforms
Core service areas
AI detector
Scans text for machine generation
Plagiarism checker
Source matching
Site scans
Check a full website
Fact and hallucination checker
Verifies claims
Readability checker
Scores clarity
Team management
Shared credits and seats on Pro
Pros and cons
Pros
- Full-site scans rather than single documents
- Team management and shared credits on Pro
- Fact and hallucination checker alongside detection
- API access on Enterprise
Cons
- Free tier is AI detection only, capped at 2,000 words
- Separately bought credits expire after two years
Frequently asked questions
- How do Originality.ai credits work?
- One credit covers 100 words for AI-only scans, two credits per 100 words when plagiarism is included. Q: How much does it cost? A: Pro is $14.95 a month, or $12.95 billed annually; Enterprise is $179 a month, or $136.58 annually. Q: What are good alternatives to Originality.ai? A: Copyleaks, Winston AI and GPTZero.
Best for
Agencies and publishers checking freelance work at volume.
Pricing details
Basic free: 60 credits a month, 3 scans a day, AI detection only, 2,000-word limit. Pro $14.95/month or $12.95 annual: 2,000 credits, file uploads, site scans, team management, Chrome extension. Enterprise $179/month or $136.58 annual: 15,000 credits, API access, 365-day history. Details: https://originality.ai/pricing
Review notes
- Last reviewed
October 4, 2026
- Source
originality.ai
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