| What it does | AI writing that doesn't sound like AI
| Context-aware AI book editor for authors
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| AT
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| Pricing model | Freemium
| Freemium
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| Pricing | Free plan with 2 requests per day; Basic $15/mo (200 generations/month); Pro $49/mo (800 generations/month); Premium $99/mo (2,000 generations/month); API: $2.50 per million input tokens, $12 per million output and thinking tokens, rounded up to nearest cent with 1 cent minimum per request.
| Octavo: Free forever (1 project, 3 research files, limited AI usage). Quarto: $20/month or $200/year (unlimited projects, 50 files per project, 10× more AI usage). Folio: $100/month or $1,000/year (unlimited research files, 5× more AI usage than Quarto, priority queue, early access to new models).
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| Key features | - Distribution fine-tuning for natural writing output
- Browser-based console for generating and rewriting
- Server-to-server API with /v1/generate endpoint
- Specialized agents for SEO, rewriting, and copyediting
- Custom model training on company style
- Generation history and public share links
- AI advising for AI transformation and strategy
- Lightweight metrics and checking tools in editor
| - Context-aware AI suggestions that read your chapters first
- Source-grounded edits from PDFs, URLs, and YouTube transcripts
- Red and green diffs requiring your approval
- Export to Amazon KDP, Apple Books, Lulu, IngramSpark, Google Play Books, Draft2Digital
- Chapter-aware AI agent
- Citation engine with Chicago-formatted bibliography
- Front matter and back matter editor
- Version history to save and restore manuscript versions
- Clean PDF and EPUB export with professional typography
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| What makes it different | - Trained on human prose to eliminate repetitive AI patterns and 'LLM slop'
- More creative and varied output than general-purpose AI assistants
- Custom models trained on your company's specific writing style
- Preserves author's intent and voice without hallucinations
- Usage-based API pricing with no charges for failed generations
| - Keeps your entire book and research in context, unlike chat windows that start fresh each session
- Returns edits as approvable diffs you control, not auto-inserted changes
- Built specifically for book publishing with real front matter, back matter, and professional export formats
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 9 ● no change since last check | 2 ● no change since last check |
| Trust Flow (Majestic) | 7 | 4 |
| Citation Flow (Majestic) | 24 | 22 |
| Referring domains (Majestic) | 40 | 7 |