Copyleaks
Multi-modal plagiarism & AI detection for text, code, images, and video
Copyleaks is best for organizations needing a single vendor for plagiarism, AI, and deepfake detection across text, code, images, and video. The breadth is unmatched, but the price and learning curve may overwhelm individual users. For academic institutions, Turnitin remains a strong competitor with deep LMS integration, while for text-only AI detection, tools like GPTZero may be cheaper. For enterprises, Copyleaks' multi-modal approach and API access offer a compelling unified solution.
Verified 4d ago · liveness 76/100 · cite: rightaichoice.com/tools/copyleaks
- Universities and schools verifying student originality via LMS
- Publishers checking for copyright infringement in text and images
- Enterprises auditing internal documents and code for plagiarism
- Software teams ensuring code originality across repositories
- Individual bloggers on a tight budget
- Users needing a free plagiarism checker
- Real-time collaboration editing
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Skip Copyleaks if you're an individual blogger who only needs occasional plagiarism checks on short text and can't justify a paid subscription, or if you expect a free tier to meet your needs indefinitely.
The plagiarism checker charges per word, so scanning long documents regularly can rack up costs quickly beyond the base subscription.
Copyleaks fits organizations that need multi-modal detection (text, code, image, video) and are willing to pay for breadth. At $6.99/mo for AI detection and $10.99/mo for plagiarism, it's cheaper than Turnitin for institutions, but pricier than GPTZero's free tier for individuals.
In short
Copyleaks — Multi-modal plagiarism & AI detection for text, code, images, and video. Best for Universities and schools verifying student originality via LMS, Publishers checking for copyright infringement in text and images, Enterprises auditing internal documents and code for plagiarism. Plans from $5.99/mo.
Viability Score
How well maintained and how widely used is Copyleaks? Built from what the vendor actually publishes (docs, changelog, tutorials, integrations, pricing), whether the site is live, and how much real users discuss it. How we calculate this
Last calculated: September 2026
How we score →Key Features
- AI text detection (claimed 99%+ accuracy in English)
- AI image detector for synthetic images
- AI video detector for deepfake and hybrid media
- Plagiarism detection in 100+ languages
- Code plagiarism detection for 30+ programming languages
- OCR-based image and document scanning
- Real-time similarity reports
- Paraphrase detection
- Character manipulation detection
- Grammar checker
- Text moderation API
- Browser extension
- Google Docs integration
- LMS integration (Canvas, Moodle, Blackboard, etc.)
- API access
About Copyleaks
Copyleaks is an enterprise-focused platform that detects plagiarism, AI-generated content, and copyright infringement across text, code, images, and video. It supports real-time scanning in 30+ languages for AI detection and 100+ languages for plagiarism, plus code plagiarism detection for 30+ programming languages. Recent additions include an AI Video Detector, AI Image Detector, and Text Moderation. Copyleaks also provides a Grammar Checker and integrates with major LMS platforms like Canvas and Moodle, with a browser extension and Google Docs add-on. Claimed AI detection accuracy exceeds 99% in English, backed by SOC 2 and GDPR certifications. Unlike Turnitin, Copyleaks extends beyond academia to enterprise use cases such as IP compliance and GenAI governance.
Behind the Verdict
Copyleaks stands out by covering every content type you might need to verify: text, code, images, and video. That's rare — most competitors focus on one or two. For an enterprise auditing internal documents, checking code originality, and monitoring for deepfakes, one subscription beats juggling three point tools. The AI video and image detectors are still young, so treat them as probabilistic signals, not courtroom proof. The plagiarism side is mature, with 100+ languages and OCR for scanned docs — genuinely useful for publishers and academic institutions. The browser extension and Google Docs add-on put detection where you already work, which lowers friction. However, the pricing is per-word on the plagiarism side and per-month on AI detection, and there's no free tier beyond a trial. If you're a solo blogger checking a few posts a month, the cost adds up fast and a tool like GPTZero's free tier might be enough. Also, the AI detector can miss heavily rewritten AI text despite its 99%+ claim — no detector is perfect. For universities already on Turnitin, switching is a big lift; Copyleaks' LMS integrations are solid but Turnitin's workflow is deeply embedded. For enterprises needing API access and white-label options, Copyleaks' Enterprise tier is a real contender, but be ready to negotiate and budget for custom work.
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Real-world workflow fit
Concrete scenarios for the personas Copyleaks actually fits — and what changes day-one when you adopt it.
Integrate Copyleaks with Canvas to automatically scan all student submissions for both plagiarism and AI-generated content.
Outcome: You can set up the integration in under an hour, and every assignment gets a similarity report and AI percentage without manual copying — saving hours per week.
Use the browser extension and Google Docs add-on to verify every freelance article for AI generation and plagiarism before publication.
Outcome: You can check drafts in real time as you review them, ensuring all published content is original and human-written, reducing legal risk.
Use the API to build a custom workflow that scans internal documents and code repositories for copied content, plus monitor for deepfakes in video.
Outcome: You can automate compliance checks across thousands of files, catching potential IP violations early and centralizing detection in your existing systems.
Use Cases
- Scan student papers for plagiarism before submission
- Verify blog posts for AI-generated content before publishing
- Check scientific manuscripts for accidental similarity to existing work
- Monitor content syndication for unauthorized duplication
- Assess originality of user-generated reviews on e-commerce sites
- Detect paraphrased plagiarism in translated documents
Models Under the Hood
as of 2026-08-31
Limitations
- The AI detector, while highly accurate (99.2%), can generate false negatives on heavily edited AI text.
- Enterprise features require contacting sales.
- There is no free tier beyond a trial.
- Pricing per word may be costly for high-volume scanning.
as of 2026-08-29
Verification history
We have re-verified Copyleaks 17 times since . Each pass re-reads the vendor's own pages and re-checks every listed field against that evidence; passes where nothing had changed are marked as such.
- — re-checked, vendor evidence unchanged
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- — re-checked, vendor evidence unchanged
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-checked, vendor evidence unchanged
- — re-checked, vendor evidence unchanged
Showing the 6 most recent of 17 verification passes.
Free to cite with attribution — this page re-verifies continuously.
12-month cost
Project the real annual outlay, including the implied monthly cost when only an annual tier is published.
Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.
Plans compared
For each published Copyleaks tier: who it actually fits, and what it adds vs. the previous tier. Cross-reference the cost calculator above for projected annual outlay.
AI Content Detection – Monthly
$6.99/mo
Ideal for
Freelance writers and small teams who need to verify a few thousand words of AI-generated text monthly and want flexibility to cancel anytime.
What this tier adds
Starting tier for AI detection; includes 25,000 words/month and browser extension, but no plagiarism checking or API access.
AI Content Detection – Yearly
$5.99/mo
Ideal for
Content agencies and regular AI-detection users who scan consistently and want to save $1/month compared to monthly billing.
What this tier adds
Same features as monthly but billed annually at a lower per-month rate, saving 17%.
Plagiarism Checker – Monthly
$10.99/mo
Ideal for
Educators and publishers who need plagiarism detection in 100+ languages, including code and OCR scanning, and prefer no commitment.
What this tier adds
Adds plagiarism detection with 100+ languages, code plagiarism, and OCR scanning, all for $10.99/month — a jump from $6.99.
Plagiarism Checker – Yearly
$9.49/mo
Ideal for
Schools and publications that scan high volumes regularly and want the cheapest per-month plagiarism option.
What this tier adds
Same plagiarism features as monthly but billed annually at $9.49/month, saving about 14%.
Enterprise
Contact for pricing
Ideal for
Large organizations needing custom integrations, white-label options, API access, and dedicated support for high-volume, automated detection.
What this tier adds
Adds API access, white-label options, custom integrations, and dedicated support; pricing is custom, so you must contact sales.
Where the pricing makes sense
The company stage and team size where Copyleaks's pricing actually pencils out — and where peers do it cheaper.
Copyleaks fits organizations that need multi-modal detection (text, code, image, video) and are willing to pay for breadth. At $6.99/mo for AI detection and $10.99/mo for plagiarism, it's cheaper than Turnitin for institutions, but pricier than GPTZero's free tier for individuals.
Setup time & first value
How long it actually takes to get something useful out of Copyleaks — broken out by persona, not the marketing-page minute.
For a University instructor, connecting your LMS (Canvas, Moodle) takes about 30 minutes. For a content manager, installing the browser extension and Google Docs add-on is immediate — first check within minutes. For enterprise API integration, plan for a few weeks with the sales and engineering team.
Switching to or from Copyleaks
How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.
- →From Turnitin: Export your assignments and rubric settings to CSV, then set up Copyleaks' LMS integration and re-link your courses; student data is not portable, but you can archive Turnitin reports.
- →From GPTZero: Copy your document text directly into Copyleaks' web interface or use the browser extension to replace manual checking; you'll lose your history, so export reports you need.
- →From plagiarism checkers like Grammarly: Upload documents directly or integrate via API; your old reports can be archived or ignored as you switch.
- ↗To Turnitin: If your institution requires Turnitin, you can export Copyleaks reports as PDFs and manually attach them, but there's no direct import — you'll rebuild your LMS integration.
- ↗To GPTZero: Copy text into GPTZero manually; your history in Copyleaks can be exported as PDFs for reference.
Integrations
Resources & Guides
Tutorials & Learning
Official links
Tools that pair well with Copyleaks
Common stack mates teams adopt alongside Copyleaks, with the specific reason each pairing earns its keep.
Turnitin
Academic integrity platform for plagiarism, AI-writing detection, and secure assessments in education.
Paperpal
AI academic writing assistant for grammar, plagiarism, and citation checks
Scribbr
AI-powered proofreading, plagiarism checking, and citation tools for students, with optional human expert review.
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