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Originality.ai Review 2026: Features, Pricing and Is It Worth It?

originality.aiAI Detectors & Humanizers

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Our review

Originality.ai is an AI detector and plagiarism checker used by publishers, agencies and schools. Its own terms say results are probabilistic and can produce false positives, so treat scores as a signal rather than proof.

At a glance

What we like

  • AI detection and plagiarism in one tool
  • Chrome extension with Writing Replay
  • Opt out of AI training data
  • Cancel subscription anytime

What could be better

  • Detection can produce false positives
  • Subscription credits expire monthly
  • Pricing page layout is confusing

Best for

  • Publishers and agencies screening content
  • Teachers and students checking authorship

Is Originality.ai worth it?

Originality.ai is a mature option for checking text for AI use and plagiarism. Use it as one input, not a final judgment.

It combines detection, plagiarism and extra checks with agency features such as team roles and an API. The company's own terms admit that scores can be wrong, and credit expiry rules are worth understanding before you pay. Check the live pricing first.

What is Originality.ai?

Originality.ai is an AI content detector and plagiarism checker.

It also offers readability, grammar and fact-checking tools, aimed at writers, editors, marketers, teachers and enterprises.

What Originality.ai checks

The AI Checker identifies AI, Original (human) and Mixed (AI-human) text, with Deep Scan tips and sentence highlights. Bulk Scan lets you scan multiple texts at once, and PDF reports can be shared or downloaded.

Where Originality.ai came from

Jon Gillham founded Originality.ai after selling a content marketing agency. It launched in November 2022 to detect GPT-3 generated content, before ChatGPT launched. The company positions the suite for people who publish at scale or need to show that writing is original. It sits alongside plagiarism and readability checks in a single account, which saves switching between several separate tools. The terms cover the website, dashboard, Chrome extension, Moodle plugin and API under one agreement.

Is Originality.ai legit and safe to use?

Originality.ai names its company, address and support channels.

Originality.ai company details

The terms identify Originality AI Inc., located at 64 Hurontario St, Collingwood, Ontario, Canada. The about page names its founder and team members.

Originality.ai support and cancellation

Support is at support@originality.ai or through a contact form, with standard support on Pro and priority support on the top plan. The pricing page says you may cancel your subscription anytime, but no refund policy appears on the pages we read. These details show an identifiable business, which matters more for a tool whose output may affect grades or publishing decisions. We could not independently confirm the claims it makes about accuracy or security, so treat them as the vendor description.

How we evaluated Originality.ai

This Originality.ai review is based on reading the tool's own pages.

We read its home, pricing, enterprise, contact, terms, privacy and about pages. Toolavero did not sign up for or test Originality.ai, so accuracy claims are the company's own and unverified. Several figures on the pricing page appear in more than one layout, so check live prices. Verify current plans on the live site before buying.

Originality.ai output quality and limits

Accuracy is the central question for any detector, and the pages are candid about its limits.

Originality.ai accuracy and false positives

The enterprise page lists a Lite model as 98% accurate with less than 1% false positive rate. The terms say AI Detection Outputs are probabilistic estimates that may produce false positives or false negatives and can be affected by language, genre, paraphrasing, translation, editing and short text length.

Originality.ai data handling

Originality.ai says it uses TLS 1.2 or higher encryption, and it lets you opt out of AI training data use and delete scan history in 1 click. Those are company statements we could not verify.

Originality.ai key features

The product set extends beyond the AI checker.

Originality.ai integrations

Integrations include a Chrome extension with Writing Replay, a Moodle plugin, Google Classroom, a Firefox extension and an API. Writing Replay is meant to help writers and students show how a text was produced.

Originality.ai extra checks

Beyond detection, the site lists a plagiarism checker, a readability checker, a grammar checker and a fact and hallucination checker. Enterprise accounts add team roles and full-site scans. Which of these tools are included may vary by plan, so compare the plan pages carefully before you choose a tier. Enterprise accounts can also scan a whole site.

Originality.ai pricing and plans

Originality.ai uses credits, where 1 credit = 100 words.

Free requires no subscription and includes 10K words (100 credits one time). Pro is $12.95/month billed yearly at $155.4, or $14.95/month, with 200K words (2K credits) per month and 30 Day Scan History.

The top plan is $136.58/month billed yearly at $1638.96, or $179/month, with 1.5M words (15K credits) per month, 1 year scan history, API access and priority support. Pay As You Go credits expire 2 years after purchase, while subscription credits expire at the end of each month.

Support, refunds and cancellation

Support runs through email and a contact form, and cancellation is described as simple.

Contacting Originality.ai

Use support@originality.ai or the contact form on the site. Pro includes standard support, while the top plan includes priority support.

Cancelling Originality.ai

The pricing page says you may cancel your subscription anytime. Because subscription credits expire at the end of each month, cancelling late in a cycle means losing unused credits. The pages we read do not describe a trial beyond the free credits or a guarantee of any kind. Plan your cancellation date around the monthly credit reset so you use what you paid for.

Who should use Originality.ai

Originality.ai fits publishers, agencies, educators and writers who need to screen text.

Agencies get team roles and an API on the higher plan. If you plan to treat a detector score as proof of misconduct, remember the company says results can be false positives. Students and teachers can use the Writing Replay extension to document how a piece was written, which gives more context than a score alone. Casual users can start with the free credits.

Final verdict on Originality.ai

Originality.ai is a well-featured detection suite with honest caveats.

The terms plainly describe scores as probabilistic, which is the right way to use them. Try the free credits first and compare results on text you know the origin of. Keep human review in the loop for any high-stakes decision. Read the terms on accuracy before you act on any single score.

Originality.ai: frequently asked questions

Is Originality.ai free?
There is a Free tier with 10K words (100 credits one time), where 1 credit = 100 words.
How much does Pro cost?
Pro is $12.95/month billed yearly at $155.4, or $14.95/month.
Can it give false positives?
Yes. The terms say outputs are probabilistic estimates that may produce false positives or false negatives.
Can I cancel anytime?
The pricing page says you may cancel your subscription anytime.

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