Editors and teachers checking whether text looks AI-written; three free scans a day, and detection scores are estimates, not proof.

Kenning's take

What it does

Originality.ai checks a piece of writing and estimates how likely it is to have been produced by AI. It can also look for plagiarism and, through its Chrome extension, replay how a Google Doc was written to show authorship.

  • AI detection
  • plagiarism checking
  • Chrome extension for Google Docs
  • writing replay to prove authorship
  • file upload for docx, pdf and doc

Who it suits. Writers, editors, teachers and students who want to check whether text looks AI-written before submitting or publishing it.

Key facts

Made by
Originality AI Inc.
Based in
Canada
Works on
Web, Chrome extension
Free plan
3 AI scans a day, up to 2,000 words each, AI detection only

Pricing

PlanPriceBilled
Pro$14.95month
Pro (billed yearly)$155.4year

source

FAQ

Is Originality.ai free?

Partly. The free option is: 3 AI scans a day, up to 2,000 words each, AI detection only. Pricing checked 2026-10-11: Free for 3 scans a day; Pro $14.95 a month or $12.95 a month billed yearly (USD).

Does Originality.ai work on Android?

No Android version was found on its site or in Google Play. Originality.ai runs on the web and a Chrome extension.

Who makes Originality.ai?

Originality.ai is made by Originality AI Inc., based in Canada.

Facts from the maker's own pages and the sources listed. Checked 2026-10-11.