Inki vs Sudowrite
Your voice, not a template.
Sudowrite guides you from idea to manuscript with Story Bible and the fiction-tuned Muse model. Inki works differently. One workspace for any kind of writing, in Japanese and English, with Memory, which keeps the terms and preferences you ask it to remember.
The short answer
If you write novels in English, Sudowrite is the more specialized tool. Muse is tuned specifically for fiction prose, and Story Bible keeps characters, outline, and world consistent across a book-length draft. Inki is a general writing workspace instead: fiction, nonfiction, essays, and business documents, in Japanese as well as English, with multiple models plus Auto and inline edits you approve one by one. Choose Sudowrite for a guided fiction pipeline. Choose Inki when fiction is only part of what you write.
Inki vs Sudowrite
Compared as writing tools for book-length projects
| Inki | Sudowrite | |
|---|---|---|
| Core focus | Any kind of writing: fiction, nonfiction, essays, business documents | Fiction: novels, screenplays, and serials |
| Writing approach | Editor-first: write and revise in one workspace | Guided workflow: Story Bible → outline → scenes → prose |
| Guided story building | No step-by-step story builder | Story Bible walks you from idea to manuscript |
| Fiction-tuned AI | General-purpose models, strong on prose but not fiction-specific | Muse, a proprietary model trained on fiction |
| Model choice | Multiple models from OpenAI, Anthropic, Google, and more, plus Auto | Muse, plus models from OpenAI, Anthropic, Google, and others as experimental options |
| Style and voice | Memory keeps your terms, preferences, and repeated instructions. View and add to it in settings | Style and voice settings you define in Story Bible |
| Writing in Japanese | Native Japanese and English, including business email and keigo | Built around English; it can write in many other languages when asked, though some features fall back to English |
| AI cleanup (Deslop) | One-click removal of AI-sounding phrasing | Rewrite presets can smooth prose, but there is no dedicated cleanup pass |
| Structural review | Built-in pacing, consistency, and structure feedback | AI Feedback from three virtual readers |
| Mobile | iOS app on the App Store. Android app planned; use a mobile browser until then | iOS and Android companion apps built around dictation and chat, with far fewer tools than the web app |
| Training on your writing | Your input is not used to train external models | Check Sudowrite's privacy policy for its current training terms |
| Pricing | Free plan available, paid plans from $14/mo billed annually ($20 month to month), monthly AI credits included | Hobby & Student $19/mo, Professional $29, Max $59, each lower on annual billing, with monthly credits |
Any kind of writing: fiction, nonfiction, essays, business documents
Fiction: novels, screenplays, and serials
Editor-first: write and revise in one workspace
Guided workflow: Story Bible → outline → scenes → prose
No step-by-step story builder
Story Bible walks you from idea to manuscript
General-purpose models, strong on prose but not fiction-specific
Muse, a proprietary model trained on fiction
Multiple models from OpenAI, Anthropic, Google, and more, plus Auto
Muse, plus models from OpenAI, Anthropic, Google, and others as experimental options
Memory keeps your terms, preferences, and repeated instructions. View and add to it in settings
Style and voice settings you define in Story Bible
Native Japanese and English, including business email and keigo
Built around English; it can write in many other languages when asked, though some features fall back to English
One-click removal of AI-sounding phrasing
Rewrite presets can smooth prose, but there is no dedicated cleanup pass
Built-in pacing, consistency, and structure feedback
AI Feedback from three virtual readers
iOS app on the App Store. Android app planned; use a mobile browser until then
iOS and Android companion apps built around dictation and chat, with far fewer tools than the web app
Your input is not used to train external models
Check Sudowrite's privacy policy for its current training terms
Free plan available, paid plans from $14/mo billed annually ($20 month to month), monthly AI credits included
Hobby & Student $19/mo, Professional $29, Max $59, each lower on annual billing, with monthly credits
Pricing and features as of October 10, 2026
Choose Inki if
- You write more than novels: essays, articles, reports, and client documents in the same place
- You write in Japanese as well as English, including business email and keigo
- You want a plain editor with your notes attached, not a step-by-step story pipeline
- You want to choose the model per task: multiple models plus Auto, from OpenAI, Anthropic, Google, and more
- You want a one-click pass that strips AI-sounding phrasing out of a finished draft
- You want a free plan to write something real before you pay, with the largest models on the paid plans
Choose Sudowrite if
- You write English fiction and want prose from a model trained for it (Muse)
- You need Story Bible to hold characters, world, and outline together across a whole novel
- You want a guided path from synopsis to outline to scenes rather than a blank page
- You like rewrite presets such as Show Not Tell, More Descriptive, and Expand
- You draft away from your desk and want the iOS or Android companion app with dictation
- You want to try outside models from OpenAI, Anthropic, or Google for drafting alongside Muse
Who Inki isn't for
- You want a story builder that walks you from idea to finished manuscript
- You want structured character, location, and lore entries the AI tracks for you across a novel
- You want prose from a model fine-tuned on published fiction specifically
- Fiction is the only thing you write, and a fiction-only tool is exactly what you are looking for
Draft with context,
not a story template.
Sudowrite's Story Bible guides you through a structured path from synopsis to scenes. In Inki, your notes, outline, and earlier chapters are always connected. The AI writes with your full project in mind, not from a predefined template.
Revise in your voice,
not preset modes.
Sudowrite offers rewrite presets like Show Not Tell and More Descriptive. In Inki, you select any passage and describe what you want. Ask Inki to remember a term or instruction (or add it in settings), and Memory applies it to later drafts.
Structural feedback,
built in.
Sudowrite's AI Feedback gives you reactions from three virtual readers. Inki's review checks pacing, consistency, and structure across your entire project, with line-by-line suggestions you can accept or dismiss.
Open a citation to read the original passage.
Open any citation in your document to see the exact passage the AI relied on, with a link to the original source.
Describe an image. Inki draws it.
Inki generates it right in your document. Not quite right? Say what to change, and it redraws it.
PDFs, recordings, and links.
Add audio, video, images, PDFs, or a link. Inki transcribes and summarizes them so you can use them in your draft.
Feels like the editors you already know.
Headings, lists, and shortcuts work the way they do in Google Docs or Notion.
FAQ
Related comparisons
Pricing
Start free. No credit card required.
*1 Models: Luna 6 and Haiku 5.5 where available. Both models and all three features share a limit of 300 uses per day. Learn more
Checks are included on every plan and don't use credits. Only asking AI to rewrite from the input box uses AI editing credits.
Prices shown are for purchases made on the web. If you subscribe inside the iOS app, the price shown in the App Store applies.