| What it does | Free AI content detector that shows which passages read as AI, how strongly, and what to change before you submit.
| Most accurate AI detector for identifying ChatGPT, GPT-5, Gemini and other AI-generated content
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| Stage | Not given
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| Founded | Not given
| 2022
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| Based in | Not given
| CA
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| Pricing model | Freemium
| Freemium
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| Pricing | Free 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.
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| 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 Checker - detect ChatGPT, GPT-5, Gemini, Claude, Grok and other AI writing tools
- Plagiarism Checker - identify plagiarism and duplicated content
- Writing Replay - shows authorship and writing process in browser extension
- Chrome Extension and Google Docs integration
- Moodle plugin for academic integrity checking
- Fact & AI Hallucination Checker
- Grammar and Spelling Checker
- Readability Checker and Content Quality Score
- API access for developers and integrations
- Bulk Scan for multiple texts at once
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| 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
| - Proven accuracy in peer-reviewed third-party studies
- Trained on adversarial data to detect AI paraphrasing attempts
- Writing Replay feature proves human authorship
- Multi-product platform with plagiarism, grammar, fact-checking and readability tools
- Enterprise security with military-grade 256-bit encryption
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 9 ● no change since last check | 79 ● no change since last check |
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| Trust Flow (Majestic) | 6 | 24 |
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| Citation Flow (Majestic) | 31 | 49 |
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| Referring domains (Majestic) | 109 | 7344 |
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OmniDetect
Originality.ai™