The Originality.ai Insider’s Guide
Everything we know about Originality.ai in one document: what it costs, its grades, getting a refund, getting help and what else to look at. Read it here, or keep a copy.
Originality.ai
The Insider’s Guide
AI-content and plagiarism checker with a Chrome extension and API
Every plan, grade, refund rule and rival among writing tools, read from Originality.ai’s own pages.
Made by Originality.ai · checked Nov 13, 2026 · toolgpa.com
Contents
- 01WelcomeWhat it is, who it suits, its grades and the ten things to know first
- 02What it costsEvery plan, the free plan, ways to pay less and how prices have moved
- 03What it doesIts main features, where it runs, what it works with and who makes it
- 04Where it standsIts grades against its category, and whether to keep it or make your own
- 05The alternativesThe tools it is most often weighed against, side by side
- 06Quick answersThe questions people ask about it, each answered in a line or two
- 07About ToolGPAWho made this guide, what else is on the site, and how to cite it
ToolGPA put this guide together from Originality.ai’s own pages, its app-store listings and our grades. Every fact in it is on Originality.ai’s page too, where it is kept up to date. Checked Nov 13, 2026.
Part 01 · Overview
Welcome
What it is, who it suits, its grades and the ten things to know first
2.4
GPA, above 59 of the 136 other writing tools we grade
Originality.ai scans text for AI-generated writing and plagiarism, and adds grammar, readability, content quality and fact checks to the same scan. Text can be pasted, uploaded as docx or PDF, or pulled from a URL, and a Chrome and Firefox extension runs scans in Google Docs with a writing replay. Plans are priced by monthly credits, where one credit covers 100 words.
To get you started, here are 9 things to know about Originality.ai, taken from its own pages and our grades.
It's metered by credits, the free plan's allowance is stated two different ways, and the API is only on Enterprise.
- 1
Best for AI and plagiarism checks on lots of text
Originality.ai checks text for AI writing and plagiarism, with Chrome and Firefox extensions and bulk scans.
- 2
Paid plans start at $12.95 a month
As its pricing page puts it: $12.95 per month, billed annually ($14.95 billed monthly).
- 3
There is a free plan
Free plan for limited use with no subscription; the page gives 10K words as 100 one-time credits in one place and 60 credits (3 scans a day) renewing daily in another.
- 4
It runs on Web
Web, with a browser extension too.
- 5
AI detection
Scans text for AI-generated content and says it is trained on text altered by paraphrasing tools such as Quillbot.
- 6
Plagiarism checker
Checks text for plagiarism in the same scan as AI detection; scan reports can be shared online and downloaded as PDF on Pro.
- 7
Quality and fact checks
Adds readability, grammar, content quality, guideline and fact and hallucination checks to scans.
- 8
A 2.4 GPA, above 59 of 136
That is against the other writing tools we grade, on value, the free plan, features, ease of use and platforms.
- 9
Keep it
The plain part of Originality.ai you could make: reports. What surrounds it you could not. The 4 things listed below take a company, not a weekend.
Originality.ai at a glance
- Pricing
- Free plan, from $12.95 per month, billed annually ($14.95 billed monthly)
- Free plan
- Yes
- Free trial
- None stated
- Runs on
- Web, Browser extension
- Made by
- Originality.ai, since 2022
- Category
- Writing Tools
- Our grade
- 2.4 GPA, fair
The report card
Best for AI and plagiarism checks on lots of text
Originality.ai checks text for AI writing and plagiarism, with Chrome and Firefox extensions and bulk scans. It's metered by credits, the free plan's allowance is stated two different ways, and the API is only on Enterprise.
| Subject | Grade | Comment |
|---|---|---|
| Value for money | C | $12.95 a month billed annually ($14.95 monthly) for Pro, at the category's dearer-quarter mark. Extra seats cost $8.62 a month. |
| Free plan and trial | C | A free plan with limited use, but the pricing page states two different allowances. |
| Features | B | AI detection, plagiarism, fact checks, bulk scans and file upload. Nothing in the listing shows a gap in the core job. |
| Ease of use | C | No store rating on record. Credits, scan types and team seats to work out. |
| Platforms and integrations | B | Web with Chrome and Firefox extensions and Google Docs, Moodle, Google Classroom, ChatGPT and Claude integrations. API is Enterprise only. |
An A is worth 4 points, a B 3, a C 2, a D 1 and an F nothing. The GPA is the average of the five.
Who Originality.ai is for
- Fits if you check many articles and want bulk scans
- Works for content teams that need scan history and extra seats
Who it is not for
- Tight if you stay free, and the page gives two different allowances
- Watch out: Pro credits expire at the end of each month
- Pricey if you want the API, listed on Enterprise at $136.58 a month
- Watch out: extra seats cost extra on both paid plans, and pay-as-you-go credits expire after two years
Good to know
Good for
- Publishers and agencies that screen freelancer content for AI use
- Teachers who need AI and plagiarism checks in one tool
- Teams that want shared scan history and reports
Worth knowing
- Credits are metered: 1 credit equals 100 words, and Pro credits expire at the end of each month.
- Pay-as-you-go credits are bought once and expire two years after purchase; their price was not read.
- The Free plan's allowance appears twice on the pricing page with different figures.
- API access is listed only on Enterprise, and extra team seats cost extra on both paid plans.
Part 02 · Pricing
What it costs
Every plan, the free plan, ways to pay less and how prices have moved
$12.95
A month to start. There is a free plan too
Originality.ai has a free plan. Paid plans start at $12.95 per month, billed annually ($14.95 billed monthly).
A free plan with limited use, but the pricing page states two different allowances.
Free
$0
Limited use of all scan types; 1 credit equals 100 words. The pricing page states two different allowances.
Pro
$12.95
per month, billed annually ($14.95 billed monthly)
200K words (2,000 credits) a month, 30-day scan history, bulk scan, team management and extensions; extra seats $8.62 a month.
Enterprise
$136.58
per month, billed annually ($179 billed monthly)
1.5M words (15,000 credits) a month, 1-year scan history, API access and priority support; extra seats $19.04 a month.
The free plan
Free plan for limited use with no subscription; the page gives 10K words as 100 one-time credits in one place and 60 credits (3 scans a day) renewing daily in another.
Read from originality.ai on Nov 13, 2026.
Ways to pay less
Annual discount
Save up to 23% with annual billing
Pro costs $12.95 a month billed yearly against $14.95 monthly, and Enterprise $136.58 against $179.
Stated on originality.ai
Part 03 · Features
What it does
Its main features, where it runs, what it works with and who makes it
2
Places it runs: Web and Browser extension
AI-content and plagiarism checker with a Chrome extension and API. Here is what it does, as its own site describes it, and what it covers: public API, AI features, grammar & style, reports.
AI detection, plagiarism, fact checks, bulk scans and file upload.
- AI detection
- Scans text for AI-generated content and says it is trained on text altered by paraphrasing tools such as Quillbot.
- Plagiarism checker
- Checks text for plagiarism in the same scan as AI detection; scan reports can be shared online and downloaded as PDF on Pro.
- Quality and fact checks
- Adds readability, grammar, content quality, guideline and fact and hallucination checks to scans.
- Chrome and Firefox extensions
- Runs scans in Google Docs and shows a writing replay meant to help prove how a text was written.
- Bulk scans and file upload
- Pro adds bulk scanning and uploads of docx, doc and PDF files, plus scanning from a URL.
- API and integrations
- An API on Enterprise, plus a Moodle plugin, Google Classroom support and connections to ChatGPT and Claude.
Where it runs
- Web
- Browser extension
What it works with
- Google Docs
- Moodle
- Google Classroom
- ChatGPT
- Claude
- Chrome
- Firefox
Originality.ai is made by Originality.ai, and has been around since 2022.
Part 04 · Standing
Where it stands
Its grades against its category, and whether to keep it or make your own
59/136
Other writing tools it is graded above
Originality.ai's GPA of 2.4 is higher than 59 of the 136 other writing tools we grade, and level with 16.
It stands best on features (B, above 94 of 136) and worst on ease of use (C, above 7).
Its paid plans start at $12.95 a month, against a middle price of $8.66 for the category: 62 of the 81 others that charge start lower.
On features, ease of use and platforms it scores 2.7 out of 4. 16 tools score higher and cost less.
Each grade against the category
Every bar is all 137 writing tools we grade, cut by the letter each got. Originality.ai’s own letter is outlined.
- CValue for moneyAbove 22 of 136
- CFree plan and trialAbove 19 of 136
- BFeaturesAbove 94 of 136
- CEase of useAbove 7 of 136
- BPlatforms and integrationsAbove 71 of 136
Price against what you get
Each dot is one of 107 writing tools. Further left costs less; higher up scores better on features, ease of use and platforms. Originality.ai is the marked dot.
What paid plans start at, a month (each step along is roughly double) →
Keep it, or make your own?
Whether this is something you could build for yourself with an AI app builder, and what you would give up.
Keep it
The plain part of Originality.ai you could make: reports. What surrounds it you could not. The 4 things listed below take a company, not a weekend.
It costs $155.40 a year.
What you could make
- Reports: an app builder makes this well.
What you could not
- Grammar checking as you type, wherever you type.
- It plugs into other products, Google Docs, Moodle and Google Classroom among them, and has an API.
- AI features, unless you pay a model provider for each request yourself.
- The depth: we grade its features B, which means it covers the whole job.
What this rests on. Originality.ai’s listing: what it does, where it runs, what it plugs into and what it costs. It is a judgement about the kind of software this is. We have not built a replacement for it, and making your own means looking after it too. How we decide, and every tool’s verdict.
Part 05 · Alternatives
The alternatives
The tools it is most often weighed against, side by side
GPTZero, Winston AI, Pangram and Grammarly
The 4 tools Originality.ai is most often weighed against, with where each one differs from it.
- 2.4GPA
GPTZero
Free plan
AI-writing detector with plagiarism, writing replay and an API.
- Originality.ai also covers reports.
- 2.4GPA
Winston AI
Free trial · from $10/mo
AI text and image detector with a plagiarism checker.
- Originality.ai has a free plan. Winston AI does not, though it has a free trial.
- Originality.ai also covers reports.
- 2.6GPA
Pangram
Free plan · from $15/mo
Detects AI-written text and images, with a free daily allowance.
- Originality.ai also covers grammar & style and reports.
- 3.0GPA
Grammarly
Free plan · from $12/mo
Writing assistant for grammar, tone and rewrites in any app.
- Only Grammarly lists macOS, Windows, iOS and Android apps.
- Originality.ai also covers reports.
- Grammarly also covers AI agents, citations and documents.
Part 06 · Questions
Quick answers
The questions people ask about it, each answered in a line or two
14
Questions, each answered in a line or two
The short version of everything above, for when you only need the answer. Each one is told in full in its part of the guide.
Is Originality.ai free?
Originality.ai has a free plan. Free plan for limited use with no subscription; the page gives 10K words as 100 one-time credits in one place and 60 credits (3 scans a day) renewing daily in another.
How much does Originality.ai cost?
Originality.ai lists 3 plans. Free: $0.
What platforms does Originality.ai work on?
Originality.ai is available on Web. It also has a browser extension.
Does Originality.ai offer any discounts?
Originality.ai publicly lists the following: Save up to 23% with annual billing.
Does Originality.ai have an Android app?
No Android app was listed when its pages were read on Nov 13, 2026. Originality.ai is listed for Web.
Does Originality.ai have an iPhone app?
No iPhone app was listed when its pages were read on Nov 13, 2026. Originality.ai is listed for Web.
Is Originality.ai open source?
Originality.ai is not described as open source on its own site, as read on Nov 13, 2026.
Does Originality.ai have an API?
Yes. Originality.ai offers a public API, according to its own site.
What does Originality.ai integrate with?
Originality.ai's listing names Google Docs, Moodle, Google Classroom, ChatGPT, Claude, Chrome and Firefox.
Who makes Originality.ai?
Originality.ai is made by a company of the same name. It dates from 2022.
What are the alternatives to Originality.ai?
The closest alternatives to Originality.ai in our directory are GPTZero, Winston AI, Pangram and Grammarly.
How does Originality.ai compare with other writing tools?
Originality.ai's GPA of 2.4 is higher than 59 of the 136 other writing tools we grade, and level with 16.
Is Originality.ai good value for money?
ToolGPA grades Originality.ai C for value for money. Its paid plans start at $12.95 a month, against a middle price of $8.66 for the category: 62 of the 81 others that charge start lower.
Could I make my own version of Originality.ai?
The plain part of Originality.ai you could make: reports. What surrounds it you could not.
Where this guide comes from
The prices, plans, platforms and features were read from Originality.ai’s own pages on Nov 13, 2026, and the grades were given on Nov 13, 2026. Graded from this listing, whose facts were read from Originality.ai's own pages on 13 November 2026. Not based on using the product, and shorter than our full reviews.
Every tool we list gets five grades, A to F, each with its reason, and a GPA that averages them. How each is decided is at toolgpa.com/grades. This guide is ToolGPA’s own work; it is not made, paid for or approved by Originality.ai. Prices change, so check originality.ai before you buy.
Part 07 · About
About ToolGPA
Who made this guide, what else is on the site, and how to cite it
7,721
Tools graded, in 95 categories
ToolGPA grades software the way a school report grades a pupil: five subjects, a letter for each with the reason written beside it, and a GPA that averages them. Prices, plans and platforms are read from each maker’s own pages and dated, so you always know how fresh a figure is.
Every grade, review and ranking on ToolGPA is our own judgement. No company can pay for a grade or change one. Every tool on the site has a guide like this one, free to download and pass on. It all lives at toolgpa.com.
7,721
tools graded
95
categories
739
price changes on record
579
apps priced in 12 countries
What else is on toolgpa.com
- Originality.ai, kept up to dateEverything in this guide, with prices and grades as they are todaytoolgpa.com/tools/originality-ai
- How grades are givenThe rules behind every letter and every GPAtoolgpa.com/grades
- Value chartsWhat each tool costs against what it scores, for every categorytoolgpa.com/charts
- CompareAny two tools side by side, plan by plantoolgpa.com/compare
- Price changesEvery price rise and cut on record, each with its sourcetoolgpa.com/price-changes
- Prices by countryWhat apps cost on the App Store in 12 countriestoolgpa.com/prices-by-country
- Pay lessEvery public discount: yearly billing, students, nonprofitstoolgpa.com/save
- Keep or makeWhich tools are worth paying for, and which you could build yourselftoolgpa.com/keep-or-make
Scan for the live page
Prices and grades as they are today
Quoting this guide?
Please name ToolGPA and link to the live page, so readers can check the figures for themselves:
ToolGPA, "Originality.ai: The Insider's Guide", checked Nov 13, 2026. https://toolgpa.com/tools/originality-ai
Know someone choosing between writing tools?
Send them this guide: toolgpa.com/tools/originality-ai/guide
ToolGPA elsewhere: youtube.com/@toolgpa
See our other guides
The best-graded writing tools after Originality.ai, each with an Insider's Guide of its own.
- Writing Tools Insider's GuideEvery one of the 137 writing tools we grade, compared
- FreeOffice TextMaker Insider's GuideFree word processor that opens and saves Microsoft Word files3.4 GPA
- Microsoft Word Insider's GuideWord processor sold with Microsoft 365, free in the browser3.4 GPA
- Apache OpenOffice Insider's GuideFree open-source office suite with the Writer word processor3.2 GPA
Choosing software? Every tool graded, every price dated.
Compare tools at toolgpa.com ›Everything in this guide is ToolGPA’s own summary of what Originality.ai’s pages, its app-store listings and public reviews said on the dates shown. Grades are our judgement under the rules at toolgpa.com/grades. Every grade, review and ranking on ToolGPA is our own judgement. No company can pay for a grade or change one. Originality.ai is a trademark of its owner, and this guide is not made, paid for or approved by Originality.ai. Prices and plans change: check originality.ai before you buy.