AI-powered writing platform for detecting, humanizing, and checking plagiarism in academic and professional content
Stage
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Founded
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Based in
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US
Pricing model
Freemium
Freemium
Pricing
Free: 100 credits at sign-up, topped up by 40 every week, 2 models per rewrite, 4 fast models including GPT-6 Luna, articles up to 6,000 words. Pro: $19 per month, 1,500 credits every month, up to 5 models per rewrite, all 9 models including Claude Sonnet 5.5 and Grok 4.7, articles up to 15,000 word
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Key features
Mark passages and add notes about what's wrong
Flip through rewrites from multiple AI models at once
Choose from 9 AI models including GPT-6 Luna, Claude Sonnet, and Grok
Preserve undo history and original drafts
Support for TipTap-based editors and built-in document editor
No need for personal API keys
Credit-based pricing with transparent cost estimates
Handle articles up to 6,000 words on Free plan or 15,000 on Pro
Access 2 models on Free plan or up to 5 on Pro plan
AI content detector with 99.8% accuracy
AI humanizer to transform AI text into human-sounding writing
Plagiarism checker scanning billions of sources
AI writer for essays, homework, and summaries
AI chat for brainstorming and explaining topics
Text rewriter and spinner
AI detection remover
Chrome extension for writing anywhere
Support for over 100 languages
What makes it different
Never leave your editor—rewrites happen in-place without copy-paste
Only the passages you mark change; the rest of your draft stays exactly as written
Compare rewrites from multiple AI models side by side in one click
Free plan with 100 credits and weekly top-ups, no card required
Preserves full undo history even after accepting rewrites
All-in-one platform combining AI detection, humanization, plagiarism checking, and writing in one workspace
SwapDraft
Smodin