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Sudowrite

What is Sudowrite?

Sudowrite is an AI writing tool for fiction writers that helps draft, revise, and expand long-form stories. Its workflow centers on Describe, Story Bible, Write, Expand, Rewrite, and Feedback, with Canvas for planning and Plugins for using ChatGPT, Claude, Anthropic, and OpenAI inside the process. Writers cited around the product include Hugh Howey, Bernie Su, Mark Frauenfelder, Chris Anderson, and The New York Times. Plans run Hobby & Student $10/month, Professional $22/month, and Max $44/month.

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At a glance

Best for
Sudowrite is best for fiction writers who want help drafting, revising, and expanding long-form stories.
Pricing
Hobby & Student $10; Professional $22; Max $44

What does Sudowrite do?

Sudowrite turns fiction drafting into a guided workflow: Describe helps paint scenes without flattening the story, Story Bible moves you from idea to outline to chapter beats, and Write suggests the next 300 words in your voice. When a section feels rushed, Expand stretches it out; when a sentence needs another pass, Rewrite and Feedback help you revise with direction instead of staring at a blank page. The experience is built around creative momentum, not generic autocomplete. At scale, the product is backed by more than 1,000 custom-built tools and 1,000+ new ways to write, get feedback, and explore ideas. It supports 8 themes, 5 dark modes, and a focus mode for distraction-free drafting. Sudowrite says it uses dozens of AI models, including Claude, OpenAI models, and Muse, its fiction-focused in-house model. Writers like Hugh Howey, Bernie Su, Mark Frauenfelder, Chris Anderson, and The New York Times have been cited around the product, and the FAQ says it can work in almost any language.

Why use Sudowrite?

  • It combines drafting, revision, and planning in one fiction-focused workflow instead of forcing writers to stitch together separate tools.
  • Its Write feature suggests the next 300 words in your voice, which helps when momentum stalls mid-scene.
  • Feedback returns three actionable areas to improve, so revision starts with direction instead of a blank page.
  • Plugins add over 1,000 custom-built tools, letting writers tailor the app to niche workflows without code.
  • The product uses multiple model families, including Claude, OpenAI, and Muse, to support different creative tasks.

Who is Sudowrite for?

  • Novelists who want help moving from outline to chapter-length drafts.
  • Screenwriters who need faster scene expansion and revision support.
  • Fiction writers who want feedback without relying on beta readers.
  • Authors who want a guided brainstorming space for plots, characters, and themes.
  • Writers who prefer an AI partner that adapts to their voice and style.

What are Sudowrite's key features?

Describe

Turn a rough idea into vivid prose with over 1,000 custom-built tools, helping you draft scenes faster and keep momentum.

Story Bible

Track characters, settings, and plot details in one place so longer projects stay consistent across chapter-length outputs.

Write

Generate the next 300 words from your prompt, giving you a fast way to move from outline to draft.

Expand

Grow a short passage into fuller scenes and chapters, useful when you need more depth without starting over.

Rewrite

Rework existing text with custom edits and analyses, helping you tighten voice, pacing, or clarity without manual line-by-line rewrites.

Feedback

Get three actionable areas to improve on your draft, so you can revise with specific next steps instead of vague notes.

Canvas

Plan and organize story ideas visually with no code required, making it easier to manage complex narratives and workflows.

Plugins

Connect writing workflows with ChatGPT, Claude, Anthropic, and OpenAI, so you can use familiar models inside your process.

What does Sudowrite integrate with?

  • ChatGPT
  • Claude
  • Anthropic
  • OpenAI

What are Sudowrite's use cases?

Novelists draft chapter scenes

Novelists who want help moving from outline to chapter-length drafts use Sudowrite to turn rough ideas into readable scenes. They lean on Write and Expand to move from a beat sheet into fuller prose, then use Story Bible to keep characters, settings, and plot details consistent across chapters.

Screenwriters expand scenes faster

Screenwriters who need faster scene expansion and revision support use Sudowrite to push a short scene into a stronger draft. They use Expand and Rewrite to add momentum, tighten dialogue, and reshape pacing, while Canvas helps them keep the sequence of beats clear as the script evolves.

Feedback without beta readers

Fiction writers who want feedback without relying on beta readers use Sudowrite to get a quick outside read on what's working and what isn't. They use Feedback and Describe to spot weak passages, then apply Rewrite to improve clarity, tone, and emotional impact before sharing the manuscript.

Brainstorming for plot and theme

Authors who want a guided brainstorming space for plots, characters, and themes use Sudowrite to explore directions before drafting. They use Brainstorm and Story Bible to test ideas, organize world details, and keep the story's core logic intact as they decide what to write next.

How does Sudowrite work?

  1. Start by adding your story idea into Canvas, then capture characters, settings, and rules in Story Bible so Sudowrite has the context it needs before drafting begins.
  2. Use Brainstorm to explore plot turns, character motives, and themes, then pull the strongest ideas into your working outline without losing the thread of the story.
  3. Draft your next passage with Write, or turn a short beat into a fuller scene with Expand when you need more momentum and chapter-length material.
  4. Polish the result with Rewrite, Describe, and Feedback to sharpen voice, improve clarity, and identify the next three areas to strengthen before you continue.
  5. Keep building inside Canvas and Story Bible as the manuscript grows, using Plugins when you want to connect outside tools and maintain a steady writing workflow.

How much does Sudowrite cost?

Hobby & Student

$10
  • 225,000 credits per month
  • Perfect for people who write for fun or for school
  • No credit card, cancel anytime

Professional

$22
  • 1,000,000
  • 450,000 credits per month
  • Good for longer works, like a novel or screenplay
  • No credit card, cancel anytime

Max

$44
  • 2,000,000 credits per month
  • Unused creditsrolloverfor 12 months.
  • For authors who publish multiple times a year
  • No credit card, cancel anytime

Frequently asked questions

What is Sudowrite?

Sudowrite is an AI writing tool for fiction writers that helps draft, revise, and expand long-form stories. Its workflow centers on Describe, Story Bible, Write, Expand, Rewrite, and Feedback, with Canvas for planning and Plugins for using ChatGPT, Claude, Anthropic, and OpenAI inside the process. Writers cited around the product include Hugh Howey, Bernie Su, Mark Frauenfelder, Chris Anderson, and The New York Times. Plans run Hobby & Student $10/month, Professional $22/month, and Max $44/month.

How much does Sudowrite cost? Is it free?

Sudowrite has 3 paid plans: Hobby & Student at $10, Professional at $22, Max at $44.

What is Sudowrite used for? Who is it for?

Sudowrite is used for Describe, Story Bible, and Write. It's built for Novelists, Screenwriters, and Fiction writers.

Does Sudowrite have an API and what does it integrate with?

Sudowrite doesn't publish a public API. It integrates with ChatGPT, Claude, Anthropic, OpenAI.

Editor's read

Check the credit ceiling on your chosen plan before committing: Hobby & Student includes 225,000 credits per month, Professional includes 450,000, and Max includes 2,000,000 with rollover for 12 months. If your drafting volume is likely to exceed that monthly allotment, the lower tier will not hold up.

Every listing on AgentsIndex passes the same public editorial bar. Listings are built from a structured read of the vendor's own pages rather than first-hand product trials. Pricing and features are checked against the live site at the date of last verification.

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Source policy: Listings are built from first-party vendor pages by default; third-party references are used only when they add verifiable context not available on the vendor site.
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