GPTZero vs Originality.AI (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Originality.AI
From $12.95/mo against from $15/mo
Free plan
Tie
Both have one
Higher rating
Originality.AI
4.4 against 4.5
Same job?
Yes
Both are Writing tools

Side by side

Compared on	GPTZero	Originality.AI
Our rating	4.4	4.5Better
Starts at	$15/mo	$12.95/moBetter
Free plan	Yes	Yes
Category	Writing	Writing
Plans	From $15/mo	Basic$0 Pro$14.95/mo, or $12.95/mo billed yearly Enterprise$179/mo, or $136.58/mo billed yearly
Key features	AI-generated text detection across ChatGPT, Claude, Gemini, and other major LLMs Plagiarism detection bundled alongside AI detection in the same scan Hallucination detection that flags unsupported or fabricated claims in a document Chrome extension for scanning text without leaving the page it appears on API access for institutions screening submissions at scale	AI content detection independently benchmarked for accuracy against competing detectors Live-web plagiarism checking rather than a static, outdated reference database Bundled fact-checking, grammar review, and readability scoring in the same platform Confidence scoring with highlighted, section-by-section breakdown of flagged text API access on Enterprise plans for teams screening content programmatically
Pros	One of the most established and widely recognized names in AI detection, with a large existing user base Combines AI detection with plagiarism and hallucination checks in a single workflow Free tier is usable for individual, lower-volume checks without a subscription	Accuracy claims are independently benchmarked rather than only self-reported Bundles several content-integrity tools that would otherwise require separate subscriptions Live plagiarism checking catches duplicate content that static-database checkers miss
Cons	AI detection as a category carries an inherent false-positive risk on any tool, including this one Full-length document scanning beyond the free character limit requires a paid plan Recent acquisition introduces some uncertainty about how the standalone product evolves under Superhuman	No unlimited free tier; the free AI checker is capped at a small word count Credit-based pricing requires tracking usage rather than a flat predictable monthly cost Positioned mainly at publishers and agencies, so per-seat cost adds up for larger content teams
Company	GPTZero (Superhuman), founded 2023	Originality.AI, founded 2022

Prices come from each vendor's pricing page, last checked 20260731. Check the vendor before you buy.

FAQ

Questions people ask

Is GPTZero better than Originality.AI?

In our reviews GPTZero scores 4.4 and Originality.AI scores 4.5. The better pick depends on the job. GPTZero: An AI detector built at Princeton that identifies LLM-generated text and now backs Superhuman's authenticity tools. Originality.AI: An AI and plagiarism detector built for publishers who need to verify content before it goes live.

Which is cheaper, GPTZero or Originality.AI?

Originality.AI has the lower starting price: from $15/mo for GPTZero and from $12.95/mo for Originality.AI.

Do GPTZero and Originality.AI have free plans?

Yes, both have a free plan.

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