Turnitin AI Report Checker in Brazil: AI and Similarity Reports for Brazilian Students

Country guidesBy the AIandSimilarityReports.com team7 min read

Brazilian students and researchers meet Turnitin in two situations: at universities that license it for similarity checking, and when submitting English-language work to international journals and foreign universities. The AI writing report behaves very differently depending on which language you write in, so it pays to know what to expect.

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Is your language supported? Turnitin AI detects English, Spanish, Japanese, Arabic, Dutch, German and Turkish only. See the full list of Turnitin AI detection languages.

Turnitin in Brazilian universities

Turnitin is used in Brazilian higher education mainly for similarity checking ("relatório de similaridade"), especially in graduate programs and research offices. Institutions including USP and UFC publish Turnitin guidance for their communities. Similarity matching works on Portuguese text and against Portuguese sources.

AI detection and Portuguese

As of October 2026, Turnitin's official AI writing FAQ lists long-form English, Spanish, Japanese, Arabic, Dutch, German and Turkish as supported languages. Portuguese is not on that list. In practice:

You write inSimilarity reportAI writing report
EnglishYesYes, including AI-paraphrase detection
SpanishYesYes
PortugueseYesNot supported by Turnitin's official list

Some third-party sites claim Portuguese AI detection is available. Go by Turnitin's own FAQ, and expect your institution's policy to change if Turnitin adds the language.

Who in Brazil needs a Turnitin AI check

  • Mestrado and doutorado candidates writing articles in English for international journals that screen for AI.
  • Exchange and sandwich-program students at universities in the US, UK, Europe or Australia.
  • Students enrolled online with foreign institutions.
  • Authors who translated their work from Portuguese with AI tools, since machine translation can read as AI-written.

Sample reports

The samples below are from an English-language paper, so they show the full AI writing report with highlighted sentences.

Sample Turnitin AI and similarity reports

Both screenshots below come from the same 24-page, 6,364-word paper. The similarity report found 1% overall similarity. The AI writing report flagged 51% of the qualifying text as likely AI-generated. Tap either one to see it full size.

Turnitin similarity report sampleScore page: 1% overall similarity
Turnitin AI writing report sampleScore page: 51% detected as AI

Screenshots shown for illustration. Your own reports arrive as full PDFs in your dashboard.

How to order from Brazil

  1. Create your account.
  2. Upload your .docx or .pdf.
  3. Receive both reports usually within minutes.

Price: $3.99 USD per document, paid by international card.

Writing for a European audience? See our Europe guide on language support. To interpret the result, read how to read a Turnitin report.

Frequently asked questions

Does Turnitin AI detection work on Portuguese text?

As of October 2026, Turnitin's official FAQ lists English, Spanish, Japanese, Arabic, Dutch, German and Turkish as supported languages for long-form AI detection. Portuguese is not on that list, so Portuguese submissions may not receive an AI score.

Does Turnitin similarity checking work in Portuguese?

Yes. Similarity matching works across languages Turnitin indexes, including Portuguese sources.

Who in Brazil needs a Turnitin AI check?

Mostly authors writing in English: postgraduate students submitting to international journals, exchange students, and anyone enrolled at a foreign university.

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