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Free Plagiarism Checker

PRO

Multi-layer originality scan with genuine semantic rewriting — preserving facts and meaning.

Enter text to scan for originality: 0 / 25,000 words

Detection Methods

  • Exact match — verbatim sentence-level repetition
  • N-gram Jaccard — catches paraphrasing
  • Shingling — block-level structural overlap
  • LSTM Semantic — meaning-level deep analysis

How Cluster AI Checks for Plagiarism

Unlike basic keyword checkers, Cluster AI utilizes a multi-layer originality architecture. It splits documents into character shingles, calculates syntactic n-gram overlap, and applies deep sequence matching to detect disguised paraphrasing.

Verbatim Overlaps:

Identifies word-for-word copying and missing citation tags.

Paraphrase Detection:

Flags sentences where words were swapped with basic synonyms.

Full Confidentiality:

Your documents are processed securely and never saved to public repositories.

Frequently Asked Questions

What is considered an acceptable plagiarism similarity score?

Typically, an overall similarity score below 10% to 15% is standard for research papers and academic essays, provided all matched phrases represent standard terminology, properly cited quotations, and common bibliography entries.

Does this plagiarism checker check against academic databases?

Cluster AI analyzes text against open scholarly datasets, local indexes, and synthetic research corpora to evaluate syntactic and structural patterns of uncredited text reuse.

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