Sudowrite

What is Sudowrite?

Sudowrite is an AI fiction-writing workspace available through a web application and companion iOS and Android apps. Its main purpose is to help writers move from an idea or outline to a more developed manuscript while keeping story information in one project.

A writer can create a project or import an existing manuscript, add characters and worldbuilding information to a Story Bible, outline scenes, and use AI tools directly in the editor. The system can suggest prose, extend a scene, generate a first draft, rewrite selected text, improve sensory detail, or help explore possible plot and character directions.

This makes Sudowrite different from a general-purpose chatbot such as ChatGPT. The central workflow is not an open-ended conversation but an organized fiction project in which the manuscript and supporting story information provide context for writing tasks.

How writers typically use it

A realistic Sudowrite workflow usually starts with planning. The author can describe the premise, characters, setting, synopsis, style, and outline, then store those details in the Story Bible. When the project grows, this information gives the writing tools a persistent reference point rather than requiring the writer to restate every detail in each prompt.

The writer can then work scene by scene. Write can continue prose from the current document, either automatically or with more specific guidance. First Draft and Draft support longer-form scene or chapter generation from outlines and notes. The author reviews the result, keeps useful passages, and edits or replaces the rest. Sudowrite therefore works best as an interactive drafting aid rather than as a system that produces a finished novel without substantial author involvement.

For revision, the writer can select a passage and use Rewrite to adjust wording, tone, flow, or dialogue. Describe can help add sensory detail, while Feedback can provide responses to a passage or broader writing problem. Brainstorming tools are useful for names, secrets, plot turns, character arcs, themes, and worldbuilding when the writer is deciding what should happen next.

Core capabilities

Story planning and continuity

The Story Bible is one of the product's most important differentiators. It can hold characters, worldbuilding, synopsis, style information, outlines, and related story facts. This is particularly useful for longer projects and series, where continuity is harder to manage in a single chat thread.

Scenes, Draft, Canvas, and Series Folders provide additional ways to structure a project. Sudowrite's current documentation describes Scenes as replacing the older Beats system. Writers can use these features to break a manuscript into manageable units, explore alternatives, and maintain a broader view of the story.

Drafting and prose assistance

Sudowrite supports both short and extended writing tasks. Write is suited to continuing an existing scene, while First Draft and Draft are intended for generating longer sections from planning material. Expand can develop a short or rushed passage, and Rewrite can offer alternative versions without requiring the writer to leave the manuscript environment.

The tools are aimed at fiction-specific problems such as pacing, dialogue, point of view, description, and scene development. They are not primarily designed for business correspondence, academic research, or spreadsheet analysis. For general workplace writing, a broader product such as Grammarly may be a more natural fit.

Brainstorming, feedback, and visual ideation

Brainstorm can help generate possibilities when a writer is stuck on a character, conflict, setting, name, twist, or thematic direction. Feedback features can be used for developmental or line-level responses, although the suggestions still require the author's judgment.

Sudowrite also includes Visualize and image-related functionality for exploring story concepts. This is secondary to the product's text workflow: its primary value is developing and revising fiction prose, not serving as a general image-generation or design platform.

Custom tools and collaboration

Plugins allow users to apply or create specialized writing utilities, such as changing point of view, adjusting tone, simulating reader feedback, or transforming prose into another format. Writers can import documents and Scrivener project ZIP files, export DOCX files or project archives, and share documents or projects with collaborators and beta readers.

Models and writing modes

Sudowrite uses a mixture of proprietary, third-party, open-source, and other models. Documented options include Sudowrite Muse, Claude models such as Claude 3.7 Sonnet and Claude 4 Sonnet, and OpenAI models including GPT-4o, GPT-4o Mini, GPT-4.1 variants, and GPT-5 variants. Available models can vary by feature and Prose Mode, and Sudowrite states that it uses dozens of models across the product.

Model selection and prose modes give users some control over how assistance is generated. That flexibility does not remove the need to check the output. Generated text can still introduce continuity errors, change a character's voice, flatten stylistic choices, or take a scene in an unwanted direction.

Platforms and file workflows

The full experience is delivered through the web app. The iOS and Android apps synchronize with the account and focus on a smaller set of activities, including writing, rewriting, chat, Story Bible access, and Smart Dictation. The mobile apps are useful for capturing ideas or working on text away from a computer, but they do not provide the complete feature set of the web application.

Supported import workflows include TXT, DOC, DOCX, RTF, ODT, CSV, and Scrivener project ZIP files. Users can export DOCX documents or project ZIP archives. These options make Sudowrite more practical for authors who already have a manuscript, rather than limiting it to projects started inside the service.

Pricing and access

Sudowrite offers a limited free trial, but it does not provide a continuing free plan for unrestricted use. Paid access is subscription-based, with annual billing priced below monthly billing. The documented annual prices start at $10 per month for Hobby & Student, followed by $22 per month for Professional and $44 per month for Max. The corresponding monthly prices are higher.

The main difference between plans is the monthly AI credit allowance rather than access to completely separate feature sets. The documented allowances are 225,000 credits for Hobby & Student, 1,000,000 for Professional, and 2,000,000 rollover credits for Max. Writers can also purchase additional credits, but an active subscription is required to use purchased credits. Because prices and allowances can change, prospective users should verify the current pricing page before subscribing.

Privacy and data considerations

Sudowrite states that it does not use users' writing to train Sudowrite or OpenAI models and that it claims no rights to users' writing. Its privacy policy nevertheless describes the collection of account, usage, device, and service information and the use of service providers needed to operate the product.

The privacy policy does not specify one universal retention period for every manuscript or project. It describes retention as necessary for legal obligations, dispute resolution, and agreement enforcement, while also noting that internet transmission and security cannot be guaranteed. Authors working with unpublished manuscripts should review the current privacy policy and decide whether the service's data practices are appropriate for their material.

Who should use Sudowrite?

Sudowrite is a strong fit for fiction writers who want planning and drafting assistance inside the same environment. It is especially relevant to authors working on novels, series, screenplays, fan fiction, or short stories who need help developing ideas, maintaining continuity, getting past blank-page problems, or revising rough prose.

It is less suitable for someone seeking a general business writing suite, a coding assistant, a research and citation tool, a transcription application, or a full desktop publishing system. It is also not a substitute for an editor or for the author's responsibility for plot, voice, factual choices, originality, and final quality.

Bottom line

Sudowrite's main distinction is its fiction-first workflow. The Story Bible, scene-based drafting tools, prose revision features, brainstorming utilities, model choices, and manuscript organization are designed around the way fiction projects develop over time. Its limitations are equally clear: ongoing AI use is credit-limited and subscription-based, mobile functionality is reduced, generated prose needs close review, and the product's specialization makes it less useful for non-fiction workplace tasks. For writers who want an integrated environment for planning and developing stories, it is more targeted than a general chatbot; for users outside fiction writing, much of that specialization may be unnecessary.