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OmniDetect vs GPTZero

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OmniDetect compared with GPTZero
DetailOmniDetect logo OmniDetectGPTZero logo GPTZero
What it doesFree AI content detector that shows which passages read as AI, how strongly, and what to change before you submit. AI detector that identifies content generated by large language models
StageNot given Not given
FoundedNot given 2023
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree tier: up to 2,000 characters preview or 2,500 Word Tokens for account holders. $9.99 7-Day Pass: 30,000 Word Tokens valid for seven days, includes passage-level revision guidance and re-check loop. Free tier for basic AI detection up to 10,000 characters. Professional plan available with pricing details on subscription page. API pricing available for developers.
Key features
  • Multiple detection engines that route based on language accuracy rather than averaging
  • Passage-level analysis showing which parts read as AI with evidence
  • OmniScore from 0-100 with confidence breakdown by engine
  • Re-check revised text within seven days using same Word Token balance
  • Free guest access without signup or credit card required
  • Published accuracy measurements including failure cases
  • Support for multiple languages including English and Japanese
  • Document management with ability to delete at any time
  • AI detection with 99.9% accuracy
  • Sentence-by-sentence highlighting of AI-generated text
  • Writing Replay showing video proof of writing process
  • Plagiarism detection
  • Grammar checking and writing feedback
  • Chrome extension for browser-based scanning
  • Integration with Canvas and Google Classroom
  • API for developer integration
  • Detects multiple AI models including GPT-5, GPT-6, Gemini, and Claude
  • AI Tutor for writing improvement
What makes it different
  • Shows evidence and limitations alongside results instead of just a score
  • Routes to best engine per language rather than averaging detectors
  • Guided revision workflow with re-check loop to improve flagged passages
  • 99.9% accuracy rate verified by independent benchmarks from Penn State's AI Research Lab
  • De-biased for ESL learners with only 1% false positive rate for non-native English writing
  • Only detector with Writing Replay showing video proof of authentic writing process
  • Trusted by over 10 million users and 100+ organizations globally
Community votes00
DR (Domain Rating by Ahrefs)9 no change since last check81 no change since last check
Trust Flow (Majestic)627
Citation Flow (Majestic)3143
Referring domains (Majestic)1098387

5 details filled in for both companies.

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