AI Content DetectorsAI Tools

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.

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Price
Free + from $12.95/mo (annual)
Founded
Not available
HQ
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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

01
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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