Originality.ai vs. Copyleaks (2026): Which AI Content Detector Should You Actually Buy?
Originality.ai is cheaper and built for content marketers/publishers checking English-language text. Copyleaks costs more but also checks images and video, and covers far more languages.
If you publish content built with AI assistance — or you hire freelancers and need to verify what they hand back is actually their own work — Originality.ai and Copyleaks are the two names that come up most. Both scan text for AI-generated patterns and plagiarism, but they're built for slightly different audiences: Originality.ai grew up serving content marketers and publishers directly, while Copyleaks started in academic integrity and has expanded into images, video, and enterprise compliance. For more on the rest of the AI toolkit, see our full roundup of AI tools for content creators.
Pricing, side by side
Both vendors price on a credits-per-month model and offer a discount for paying annually. The two entry tiers land close together, but Copyleaks' credit allowances shift dramatically between monthly and annual billing — worth checking carefully before you commit to either.
| Plan | Originality.ai | Copyleaks |
|---|---|---|
| Entry tier (billed monthly) | Pro — $14.95/mo, 2,000 credits/mo (200,000 words) | Personal — $16.99/mo, 100 credits/mo (25,000 words or 100 images) |
| Entry tier (billed annually) | Pro — $12.95/mo, 2,000 credits/mo (200,000 words) | Personal — $13.99/mo ($167.88/yr), 1,200 credits/mo (300,000 words or 1,200 images) |
| Team/Enterprise tier (billed monthly) | Enterprise — $179/mo, 15,000 credits/mo | Pro — $99.99/mo, 1,000 credits/mo, 25 user seats included |
| Team/Enterprise tier (billed annually) | Enterprise — $136.58/mo, 15,000 credits/mo | Pro — $74.99/mo ($899.88/yr), 12,000 credits/mo, 25 user seats included |
| Free access | No dedicated free plan — paid plans only | "Start for Free" limited trial scans, no full free plan |
One quirk worth flagging: Copyleaks' credit allowance is much higher on annual billing than on monthly billing for the same-named plan (Personal jumps from 100 to 1,200 credits, Pro from 1,000 to 12,000) — so if Copyleaks is a contender, compare the annual numbers, not the monthly ones, or you'll badly underestimate how much you actually get.
Where Originality.ai wins
- Built specifically for content marketers and publishers. Beyond AI and plagiarism detection, Originality.ai bundles a Fact Checker, Readability Checker, and Grammar Checker aimed squarely at editorial workflows — useful if you're vetting freelance writers or AI-assisted drafts before publishing.
- Full-site URL scanning. Enter a website URL directly and scan existing published content, not just pasted text — handy for auditing an entire site's content history in one pass.
- Lower entry price at every tier. Pro undercuts Copyleaks Personal on both monthly and annual billing, and Enterprise beats Copyleaks Pro on monthly billing too.
Where Copyleaks wins
- Detects more than just text. Copyleaks also offers a dedicated AI Image Detector and Deepfake Detector — Originality.ai is text-only. If you need to verify images or video, Copyleaks is the only one of the two that covers it.
- Broader language coverage. Copyleaks advertises AI detection in 30+ languages and plagiarism detection in 100+ languages, versus Originality.ai's primarily English-language focus.
- Unified single-scan report. Copyleaks' text products return AI and plagiarism results together in one report; Originality.ai treats them as related but separate checks.
- Higher commission structure for referrers, if that matters to your business model — not a reason to pick a detection tool on its own, but Copyleaks pays a 15% lifetime recurring commission versus Originality.ai's 25% for 12 months, which changes the long-run math for anyone monetizing recommendations.
The verdict
If you're a blogger, content marketer, or publisher checking English-language written content — your own drafts or a freelancer's — before it goes live, Originality.ai's lower price and editorial-focused feature set (fact-checking, readability, full-site scans) make it the tighter fit.
If you also need to verify images or video, operate across multiple languages, or want a single unified AI-plus-plagiarism report, Copyleaks's broader detection scope is worth the higher price — especially once you account for its much larger annual-billing credit allowance.
See Originality.ai's plans See Copyleaks' plansA note on how we evaluated this
Pricing above is based on each company's published pricing pages as of August 2026, cross-checked directly against originality.ai and copyleaks.com rather than third-party pricing aggregators — including toggling both vendors' monthly/annual billing views directly, which is how we caught the Copyleaks credit-allowance discrepancy above. We have not run a hands-on side-by-side accuracy test of either tool's AI-detection scores yet — treat the pricing and feature analysis above as reliable, and the "best for" judgment as a starting point rather than a substitute for trying each tool's trial yourself.
Frequently asked questions
Which is cheaper, Originality.ai or Copyleaks?
Originality.ai is cheaper at every tier: its Pro plan starts at $14.95/mo (or $12.95/mo annual) versus Copyleaks Personal at $16.99/mo (or $13.99/mo annual). Originality.ai's Enterprise tier also undercuts Copyleaks Pro on monthly billing.
Does Copyleaks check images and video, not just text?
Yes. Copyleaks offers a dedicated AI Image Detector and Deepfake Detector alongside its text tools. Originality.ai is text-only, so if you need to verify images or video specifically, Copyleaks is the one of the two that covers it.
Why does Copyleaks' credit allowance change so much between monthly and annual billing?
Copyleaks' Personal plan jumps from 100 credits/month on monthly billing to 1,200 credits/month on annual billing for the same plan name — a real quirk in its pricing worth checking carefully. Compare the annual numbers, not the monthly ones, or you'll significantly underestimate what you get.