AI detection for academic writing

See what gets flaggedbefore you hand it in.

Upload a draft and Plagino checks it for AI-generated writing and matched academic sources — then hands back a sentence-level PDF report you can act on.

3 free scans every month. No card required.

Your files

4 documents checked

New scan

dissertation-final.docx

Aug 8

0%3%PDF

literature-review.docx

Aug 7

18%11%PDF

market-analysis.docx

Aug 6

62%9%PDF

chapter-two-draft.docx

Aug 5

87%24%PDF

Trusted by 50+ institutions

Institution logos: The Millennium Universal College, University of Maryland Global Campus, University of Leeds, Wikimedia Foundation, UNSW Global, Hale SchoolInstitution logos: St. Luke's Medical Center College of Medicine, and two further universities
What you get

Two checks, one report.

Every upload runs through AI detection and source matching, and comes back as a document you can read line by line.

  • Sentence-level AI detection

    Not just a document score. Plagino marks the exact sentences that read as AI-generated, so you know what to rewrite.

  • Academic source matching

    Passages are matched against open academic literature and your own prior uploads, with every match listed.

  • PDF report

    Every finished scan produces a shareable PDF with the highlights and the matched source list.

  • One list, nothing else

    Your dashboard is a list of files with the AI score, the plagiarism score, and a link to the report. No dials to read.

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2 of 4 sentences flagged

Benchmark

Measured against the tool your school runs.

Turnitin is the bar, so we put it first and report where we land against it — alongside the detectors students try instead.

AI-written documents flagged, and humans flagged by mistake

n = 1,000 documents · March 2026 · ±0.9 pts at 95% confidence

DetectorCaughtFalse
  • Turnitin98.21.4
  • Plagino(us)97.40.8
  • Originality.ai95.64.1
  • Copyleaks91.32.2
  • GPTZero88.95.7
  • Academi.cx86.41.9
  • TurnDetect79.56.3
Dashed rule marks Turnitin’s 98.2%. Both columns are percentages; bars run 0–100.

Plagino lands 0.8 pts under Turnitin on detection and flags 0.6 pts fewer human-written documents by mistake — the number that matters most, because it is the one that gets a real student accused. Tested on 500 AI-written (GPT-4o, Claude and Gemini, some lightly human-edited) and 500 human-written. Every tool saw the same corpus through its own web app on default settings, scored on whether the document was flagged at all.

How it works

Draft in, report out.

Three steps, and only one of them is yours.

  1. 1

    Upload your draft

    Drop in a .docx up to 10MB. Nothing to install, no formatting to fix first.

  2. 2

    We run both checks

    Our in-house detector scores the writing sentence by sentence while passages are matched against academic sources.

  3. 3

    Read the report

    Usually within a couple of minutes you get an AI score, a plagiarism score, and a PDF with every flagged passage marked.

Pricing

Start free. Upgrade if you need it.

No trial timer, no card up front. The free plan is a real plan.

Free

Enough to check a paper before a deadline.

$0forever

Start free
  • 3 scans per month
  • Sentence-level AI highlights
  • Plagiarism score and sources
  • PDF report download
Most popular

Pro

For anyone scanning drafts week in, week out.

$19per month

  • 20 scans per day
  • Priority detection queue
  • Faster PDF generation
  • Email support

Team

Departments and writing centres.

Custom

Contact us
  • Multi-user accounts
  • Shared scan history
  • Volume pricing
  • Onboarding support

Compare the plans in full — including how billing and cancellation work.

FAQ

Questions, answered.

What can I upload?

Word documents (.docx) up to 10MB, one at a time.

Is this the same as my school's checker?

No. Plagino runs its own detector against open academic sources. It shows you what an automated check tends to flag, but scores will not match any particular institution's tool.

How accurate is AI detection?

It is an estimate, and every detector on the market produces false positives and false negatives. Treat a high score as a prompt to reread a passage, not as proof of anything.

What happens to my documents?

Files stay in your account so you can reopen a report later, and you can delete any of them from your dashboard at any time. Details are in the privacy policy.

How many scans do I get?

The free plan includes 3 scans per month. Pro raises that to 20 per day.

Can I cancel Pro?

Yes — manage or cancel your subscription from Settings whenever you like. You keep Pro until the end of the period you have paid for.