| What it does | Most accurate AI detector for identifying ChatGPT, GPT-5, Gemini and other AI-generated content
| Automatically fix failing Playwright scripts by investigating the live page and opening a GitHub pull request with a proposed code fix
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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
| Free
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| Pricing | Not given
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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
| - Automatically investigates failing Playwright scripts against the live page
- Opens GitHub pull requests with proposed code fixes
- Works with any browser provider
- Supports custom LLM provider API keys
- Integrates into existing Playwright projects without changing fixtures
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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
| - Keep existing Playwright scripts unchanged, only adding automatic repair after failures
- Free to use, no charges from Libretto
- Open source under MIT license
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 79 ● no change since last check | 27 ● no change since last check |
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| Trust Flow (Majestic) | 24 | 8 |
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| Citation Flow (Majestic) | 49 | 31 |
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| Referring domains (Majestic) | 7344 | 347 |
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Originality.ai™
Libretto