AI content detectors & humanizers

5 tools

• Q

  QuillBotParaphraser, grammar checker, summarizer, citation generator, and AI detector widely used for rewriting drafts and tightening sentences.quillbot.com

  62M/moFree

  Paraphraser, grammar checker, summarizer, citation generator, and AI detector widely used for rewriting drafts and tightening sentences.

  Grammar & paraphrasingAI detectors & humanizersFreefrom $8.33/mo
• G

  GrammarlyCross-app writing assistant, tone adjuster, and plagiarism/AI detector that runs inside browsers, desktop apps, and Google Docs.grammarly.com

  56M/moFree

  Cross-app writing assistant, tone adjuster, and plagiarism/AI detector that runs inside browsers, desktop apps, and Google Docs.

  Grammar & paraphrasingAI detectors & humanizersFreefrom $12/mo
• G

  GPTZeroSentence-by-sentence AI content detector and writing origin verifier for checking whether copy reads as machine-generated.gptzero.me

  17.5M/moFree

  Sentence-by-sentence AI content detector and writing origin verifier for checking whether copy reads as machine-generated.

  AI detectors & humanizersFreefrom $14.99/moAPI
• O

  Originality.aiAI content detector, plagiarism checker, fact-checker, and readability auditor built for web publishers and content agencies.originality.ai

  3.4M/mo

  AI content detector, plagiarism checker, fact-checker, and readability auditor built for web publishers and content agencies.

  AI detectors & humanizersfrom $14.95/mo (or $30 pay-as-you-go)API
• U

  Undetectable AIMulti-detector AI content checker and text humanizer that rewrites stiff LLM output into natural prose.undetectable.ai

  2.6M/moFree

  Multi-detector AI content checker and text humanizer that rewrites stiff LLM output into natural prose.

  AI detectors & humanizersFreefrom $14.99/mollms.txtAPI