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Pinery vs. Sudowrite

Both put AI at the center of writing. The difference is where your book lives: Sudowrite is a browser tab that generates text; Pinery is a native Mac app where the AI proposes reviewable diffs inside your manuscript — and the same app designs and publishes it.

chapter-03.md — Prose proofread · 2 of 14 changes
  The harbor was still at dawn, and Eliza counted the masts
− like she use to when her father's boat was among them.
like she used to when her father's boat was among them.
  Gulls stitched the gray sky above the breakwater.
AcceptRejectAccept all grammar fixes

Every change is a labeled before/after diff that you accept or reject. No copy-paste round-trips.

Side by side

Pinery + ProseSudowrite
Native Mac app, local filesYes.Plain Markdown on your Mac / iCloudNo.Web app; your book lives in their cloud
Changes as reviewable diffsYes.Accept/reject each labeled changePartially.Generated passages you paste or keep
Fiction ideation toolsPartially./brainstorm, /beta-reader, /drafting-partner skillsYes.Story engine, brainstorming, description tools
Whole-book awarenessYes.Reads chapters, remembers story factsPartially.Story bible you maintain
Book design & typographyYes.Stylesheet, paginated preview, Kindle simulatorNo.
Publishable filesYes.ePub 3 (KDP, Apple Books), PDF, HTMLNo.Export text to format elsewhere

What Sudowrite does better

Specialized fiction generation. Sudowrite's ideation features — story engine, twist generators, rich description tools — go deeper into generating fiction than Pinery aims to. If you want a machine that invents alongside you in a browser, it's good at that; if you want your own voice, your own files, and a finished book at the end, that's Pinery.