Transform AI-generated text into natural, human-like writing that bypasses detection
Fix AI writing fast
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
Not given
Pricing model
Freemium
Freemium
Pricing
Not given
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
Key features
AI Humanizer with Quick, Deep, and Complete rewriting levels
AI Detector with perplexity and burstiness analysis
Symbols Finder to detect hidden Unicode characters and zero-width spaces
Support for 90+ languages
Document upload support for PDF, DOCX, DOC, and TXT files
Chrome extension for AI detection on any page
API and MCP server access on Standard and Pro plans
AI Image Detector
Meaning preservation during rewriting
Instant results with lightning-fast processing
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
What makes it different
Pallas, its own AI detector trained on real human writing from before AI existed
Penelope rewriting model trained exclusively on pre-AI human writing
Rewritten text verified before delivery to ensure detection bypass
Privacy-first approach with no content storage or use for training
Adjustable intensity rewriting from light edits to complete transformation
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