| What it does | AI detector that identifies content generated by large language models
| See what every AI prompt costs and rewrite it in one click
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| Stage | Not given
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| Founded | 2023
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| Based in | Not given
| GB
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| Pricing model | Freemium
| Freemium
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| Pricing | 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.
| Free: $0 forever with 5 cloud optimizations per day, unlimited local rewrites, 100-prompt history with CSV export. Pro: $4.99/month or $39.99/year (save 33%) with 1,000 cloud optimizations per month, 500-prompt history with JSON export, Gemini 3 Flash Preview, custom focus presets, side panel worksp
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| Key features | - 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
| - Live token cost estimates across ChatGPT, Claude, Perplexity, Gemini, Grok, Poe, OpenRouter, ChatHub, TypingMind and You.com
- Side-by-side comparison of original vs optimized prompts with savings shown in tokens and credits
- Dashboard with savings statistics: today, 7-day, and total saved tracking
- Prompt history with export: 100-prompt history with CSV or JSON export
- Keyboard shortcuts (Alt+Shift+O) for hands-free optimization
- Privacy-first: prompts stay local unless you click Optimize
- Optional API monitoring to track spending across all AI tools you use
- Transparent cost calculation using official per-token rates from each AI provider
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| What makes it different | - 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
| - No setup, API key, or third-party trackers required
- Transparent methodology with published formulas and per-model rates anyone can verify
- Works across 10 major AI platforms with a single extension
- Privacy by default: prompts never logged or stored
- Intentionally pessimistic estimates prevent bill surprises
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 81 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 27 | 0 |
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| Citation Flow (Majestic) | 43 | 10 |
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| Referring domains (Majestic) | 8387 | 2 |
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GPTZero
Token Wise