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
Free plan with 5 credits per month, Standard plan with 20 credits per month, Professional plan with 100 credits per month. Additional credit packages available for one-time purchase.
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
Structured lyric generation from ideas
Quality scoring for lyrics
Style Creator for consistent musical direction
Vocal Studio for recording and arrangement
Vocal Arrangement with timeline and loop
AI mode with genre, mood and theme selection
Cloud sync for session metadata and audio
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
25 creative actions for song development
Structured workflow from idea to polished lyrics
Vocal recording integrated into songwriting studio