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Originality.ai

Built to catch the thing you just generated.

Visit Originality.ai Reviewed Oct 23, 2026

Originality.ai detects AI-written text and plagiarism, with a factuality checker and readability scoring alongside. It is aimed at publishers and agencies that need to verify writer output. Accuracy on short text is weaker than on long text, which is the main limitation.

Who it is for

An editor or agency that must verify whether submitted content was written by a human.

Key features

  • AI content detection with per-sentence highlighting
  • Plagiarism check against the web
  • Factuality and readability scoring
  • Team management and scan history
  • API and Chrome extension

Where it falls short

A detector score is evidence, not proof: false positives on edited human writing are common enough that enforcement needs a second reviewer.

Pricing

Pay per credit, no subscription of substance. Around $15 buys a small number of credits and longer scans cost more, so budget per word. Detection is probabilistic; do not treat a score as proof.

Prices move; the tier structure is the part that stays true. Check current pricing on Originality.ai.

Alternatives to Originality.ai

Frequently asked

How much does Originality.ai cost?

Originality.ai is paid software. Pay per credit, no subscription of substance. Around $15 buys a small number of credits and longer scans cost more, so budget per word. Detection is probabilistic; do not treat a score as proof.

What is Originality.ai best for?

An editor or agency that must verify whether submitted content was written by a human.

What are the best alternatives to Originality.ai?

The closest substitutes we list are Surfer SEO, Grammarly and QuillBot. They sit in a similar price bracket but make a different trade-off, so read the weaknesses section of each review before switching.

Which platforms does Originality.ai run on?

Originality.ai is available on Web, Chrome and API.

Guides that cover Originality.ai