| What it does | Most accurate AI detector for identifying ChatGPT, GPT-5, Gemini and other AI-generated content
| Convert, sanitize, and index documents locally before anything reaches an LLM
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| Stage | Not given
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| Founded | 2022
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| Based in | CA
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| Pricing model | Freemium
| Freemium
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| Pricing | Not given
| Personal edition: Free. Business edition: $49.99 with 15-day free trial, automatic updates, available in Microsoft Store.
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| Key features | - 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
| - Scrubs names, contacts, client identities, credentials, and keys
- Converts large files to clean Markdown and flat CSV format
- Full-text indexing for exact terms, tags and standards references
- Semantic index that finds passages by meaning
- Automatic retrieval tools for AI agents
- Citation of source documents
- Local OCR processing
- Reversible redaction mode for local un-redaction
- No cloud uploads or accounts required
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| What makes it different | - 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
| - Everything runs locally on your computer with no cloud uploads or data transmission
- Reduces file size dramatically while preserving content
- Purpose-built retrieval tools reduce AI context window waste
- Dual indexing with both full-text and semantic search
- Sanitization removes sensitive data before AI sees any content
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 79 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 24 | 2 |
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| Citation Flow (Majestic) | 49 | 23 |
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| Referring domains (Majestic) | 7344 | 34 |
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Originality.ai™