Prosed vs Sudowrite

Prosed

Prosed is for people who already have years of newsletters, episodes or posts and want them assembled into a book in their own words, not a fresh AI draft. The free outline step is an honest test of whether the archive holds a book, and $49 per book is small next to a ghostwriter; writers starting from an idea, or writing fiction, get nothing here.

Pros

• +Loading the archive and seeing the outline cost nothing, so you learn whether there is a book before paying
• +Flat $49 per book with no subscription
• +A source map shows which lines are yours and which are bridges it wrote
• +Works inside several MCP-capable assistants and exports PDF and DOCX

Cons

• −Still a private beta according to its own terms, from a small team
• −Non-fiction only
• −Needs an assistant that supports custom MCP connectors
• −Delivers a first-draft manuscript; editing, design and publishing remain your job

Sudowrite

The only writing tool built around a novel rather than a document, and the story bible is why people stay — but you are renting credits, and the cheap tier runs dry mid-chapter.

Pros

• +Story bible holds characters and plot consistent across a full manuscript
• +Muse is tuned for narrative rather than general-purpose output
• +Max rolls unused credits forward for twelve months
• +Trial needs no credit card

Cons

• −No free tier — when credits stop, the manuscript stops
• −225,000 credits on the $10 plan is thin for a full-length draft
• −Rollover exists only on the $44 Max plan
• −Web-only, with no offline or desktop editor

Is Prosed cheaper than Sudowrite?

They charge in different units, so there is no like-for-like answer: Prosed starts at $49 once, Sudowrite at $10/mo. Entry price is the lowest paid plan as we last verified it.