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AI Content Detection Tools

Check whether text was written by AI, verify originality and screen freelancer or vendor content.

Chandan Kumar

Chandan Kumar is a founder of Geekflare. He is a technology enthusiast and entrepreneur who loves to help businesses and people around the world. He's got an in-depth understanding of business software.

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Chandan Kumar
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ZeroGPT

ZeroGPT

Free AI and plagiarism checker with sentence-level highlighting, batch scanning, and a bundled AI-writing toolkit.

  • Sentence-level AI highlighting
  • Plagiarism and duplicate-content checker
  • Batch file processing
From $9.99/moFree planAI content detectionAI poweredBulk scanningMultilingual detectionPlagiarism detectionSentence-level highlighting+5
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Sapling

Sapling

A free, no-signup AI-text detector built by former Berkeley and Stanford researchers, offered as one module inside Sapling's broader grammar and writing-assistant platform.

  • AI Detector
  • Sentence-level perplexity highlighting
  • Browser extension for any webpage
From $25/moFree planFree trialAI content detectionAI poweredSentence-level highlightingTeam/agency reportingAPIBrowser extension+4
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Winston AI

Winston AI

An AI and plagiarism detector for education and publishing, pairing a sentence-level AI prediction map with a stated 99.87% accuracy rate.

  • AI Content Detector
  • Plagiarism Detection
  • AI Image & Deepfake Detector
From $18/moFree planFree trialAI content detectionAI poweredBulk scanningMultilingual detectionPlagiarism detectionSentence-level highlighting+7
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Copyleaks

Copyleaks

Content integrity and AI detection for editorial, education, and enterprise teams.

  • Unified AI + Plagiarism Detector
  • AI Logic
  • AI Image, Video, and Deepfake Detection
From $13.99/moFree planFree trialAI content detectionAI poweredBulk scanningMultilingual detectionPlagiarism detectionSentence-level highlighting+7
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Originality.ai

Originality.ai

AI and plagiarism detection built for serious content publishers.

  • AI Checker
  • Plagiarism Checker
  • Fact Checking Aid
From $12.95/moFree planAI content detectionAI poweredBulk scanningMultilingual detectionPlagiarism detectionSentence-level highlighting+8
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