Originality.ai
Originality.ai in 2026 detects AI writing in 30 languages and checks plagiarism. Pro starts at $14.95/month for 2,000 credits, no free plan.
About Originality.ai
What is Originality.ai (2026 update)
Originality.ai is an AI content detection and plagiarism checking tool built for publishers, agencies, and content teams who need to verify whether text was written by a human or generated by AI. It scans text for AI patterns, plagiarism, grammar issues, and readability problems, and produces shareable reports that teams use before publishing content.
What is new in 2026
Originality.ai expanded its AI Detection Multi Language Model, which now detects AI-generated content across 30 languages instead of English only. The company also added a fact checker citation feature that lets users download a single citation or a full bibliography for claims found in a piece of content, and rolled out GEO (Generative Engine Optimization) suggestions that flag whether content is structured in a way that AI search engines like Google AI Overviews or ChatGPT are more likely to cite. A newer feature called Writer Replay adds a transparency layer inside the Chrome extension to help writers prove human authorship as they type. Originality.ai was also issued a new patent in August 2026 related to its detection technology.
Key features
- AI Checker that scores text for the likelihood it was AI generated, across 30 languages
- Plagiarism Checker that cross references published web content
- Fact Checker with downloadable citations and bibliographies
- Readability Checker and Grammar and Spelling Checker
- Bulk scanning and website level reporting to monitor AI use and originality across an entire domain
- Chrome extension with Writer Replay for authorship transparency
- Team management, tagging, and shareable or downloadable scan reports
Pricing in 2026
Originality.ai does not offer a free plan. Both plans run on a monthly credit system where 1 credit covers roughly 100 words of scanning, and unused credits do not carry over past the billing period.
| Plan | Price | What you get |
|---|---|---|
| Pro | $14.95/month (or $12.95/month billed annually) | 2,000 credits per month, AI Checker, Plagiarism Checker, Fact Checker, Readability and Grammar Checkers, Chrome extension, file uploads, full site scans, 30 day scan history, team seats at $9.95/month each |
| Enterprise | $179/month (or about $136.58/month billed annually) | 15,000 credits per month, everything in Pro plus API access, a dedicated Customer Success Manager, priority 1 hour support, and 365 day scan history |
| Pay as you go credits | From about $30 for 3,000 credits | One time credit packs on top of either plan, useful for occasional bulk scans |
Who should use it
Originality.ai fits content agencies, publishers, and SEO teams that need to verify a high volume of freelance or AI assisted content before it goes live, especially teams that already worry about Google’s stance on unedited AI content. It also suits solo bloggers and course creators who want a paper trail proving a piece was fact checked and scanned for plagiarism. It is less useful for someone who only occasionally needs to check a single essay, since there is no free tier and the cheapest plan still runs a monthly subscription.
Limitations and alternatives
Originality.ai has no free plan and no free trial, so you cannot test detection accuracy without paying. AI detection tools in general, including Originality.ai, can produce false positives on heavily edited human writing, so treat scores as one signal rather than a final verdict, and check the official site for the latest published accuracy claims. Alternatives worth comparing include Copyleaks, which offers a similar AI and plagiarism detection combo with an API, Winston AI, which markets itself on detection accuracy for agencies, and GPTZero, which is popular with educators and offers a lighter free tier for occasional checks.
Frequently asked questions
Does Originality.ai have a free plan?
No, Originality.ai does not offer a free plan or free trial as of 2026. The cheapest option is the Pro plan at $14.95 per month for 2,000 credits.
How much does Originality.ai cost per scan?
Scanning is credit based, with 1 credit covering about 100 words. On the Pro plan that works out to roughly $0.0075 per 100 words, so a 1,500 word article costs a small fraction of the monthly fee.
How many languages can Originality.ai detect AI content in?
As of 2026, Originality.ai detects AI generated content in 30 languages after expanding its AI Detection Multi Language Model beyond English.
What is Writer Replay in Originality.ai?
Writer Replay is a 2026 Chrome extension feature that adds a transparency layer while writing, intended to help writers demonstrate human authorship of a piece of content.
Information last verified: September 2026.
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