KudoWrite

Full disclosure: I also build ProseEngine, an AI fiction-writing tool listed on the same terms as everyone else.

What it is

KudoWrite is a browser app for writing a novel one beat at a time. The home page's line is that the AI will not forget chapter one. You draft a beat, steer or rewrite it, and commit it. The committed beat is stitched into the chapter, and the story bible updates. The next request is supposed to see the right entries from that bible, plus a running summary of the book.

This review is what the public pages said on 2 November 2026. We did not open an account, spend a credit, or commit a beat. The sample pier, the boat called the Mara, and the names Nell and Tomas are on the vendor's pages. They are not a result from this review.

The pages do not name a company. The footer is © 2026 KudoWrite. The terms refer to "the developer of kudowrite." Contact is admin@kudowrite.com. You must be 18 to create an account. The privacy policy, last updated November 2026, says an August 2026 change moved storage off the browser. Google Drive sync, which earlier versions offered, has been removed. Writing now sits in a PostgreSQL database on Supabase in Ireland, with row-level security. The same section says an administrator of that database is technically able to read it, that they do not, and that nothing trains on it.

Who it's for

• Novelists who think in beats. The home page is built around a board of beats, not a single chat box. Commit is the step that locks a beat into the manuscript.
• Writers who want a small prepaid pack instead of a monthly plan. The pricing section lists one free credit and three one-off packs. There is no subscription.
• Writers of romance, horror, dark, or explicit fiction. The home page says KudoWrite adds no content filter of its own. The model's own behaviour still applies. Community Books, if you publish there, asks for a rating, and explicit books sit behind an 18+ notice.

It is a weak fit if you want a local file that never touches a server. That was an earlier version. It is a weak fit if you need a developmental report, a series bible that spans several books, or a shared account. None of those is described.

Key features in practice

• Beats, then a chapter. Each beat is drafted, steered, and committed on its own. The chapter is what the committed beats become. The hero illustration shows Rewrite, Split, and Commit on a beat, and a chapter count of 1,284 words. Another block on the same page shows a 99-word chapter. Both are their illustrations.
• Three gears. On 4 November 2026 the home page names them Stick, Balanced, and Novel. Stick stays close to your words. Balanced adds a little. Novel fills the beat out. The 31 October 2026 press release still says Stick, Short, and Novel for the Writing slot. The home page's version list labels one rewrite "Balanced."
• Friend chat, in the privacy policy only. The November 2026 policy says the account stores messages with friends, that only the people in a chat can see it, that deleting a message wipes the text for everyone, and that messages are used to deliver them and are never sent to an AI model. The home page and the newsroom do not describe that chat. The newsroom's newest release is still 31 October.
• Suggest Beat. One click offers three next beats: Close stays in the moment, Progress takes the next step, and Twist is the turn. The release says nothing is written into the manuscript until you say so. You can reroll. The sample cards on the page, about a sold boat and a riding light, are the vendor's demo.
• Two slots, same credits. The 31 October release says KudoAI now runs as two specialized slots. A Utility model picks bible entries, writes summaries, and runs Suggest Beat. A Writing model drafts the prose. The release says the credits are the same, and that the prose is better than the first KudoAI. It does not name the underlying model.
• Story bible. Characters, places, items, and events. The home page says every committed beat updates it, that the right entries are picked for the next rewrite, and that you can read and edit the bible and the summary in the sidebar. The sample shows "14 entries" and a fact count per name. Those numbers are on the marketing page.
• Versions. Rewrite, steer, undo, and branch. The page says each change is a version, that nothing you wrote is overwritten, and that you can compare two versions. The illustration includes a raw beat with typos and a cleaned rewrite. Treat the cleaned paragraph as their example of the gear, not as a measurement.
• Import. The FAQ says My Books → Import reads .docx, .odt, .epub, .html, .md, .txt, and .rtf, plus a Scrivener or Novelcrafter zip and NovelAI .story files. Story bibles can come from a Sudowrite CSV, a Novelcrafter codex, a NovelAI lorebook, and AI Dungeon story cards. Detecting chapters and scene breaks is free, the FAQ says.
• Community Books. Optional. Nothing is public until you press Publish on a chapter. Readers get a page, an EPUB, comments, and kudos. The terms also name PDF, HTML, and text downloads for personal reading. You can unpublish. The licence you grant lasts while the work is published. Readers who already downloaded a copy are not recalled.
• Your own key. Settings can hold an OpenRouter or Mistral key. The FAQ says KudoWrite adds no markup. With your own key, the privacy policy says the prompt goes from the browser to that provider and does not pass through a KudoWrite server. Whether that provider trains on it is that provider's rule.
• Length. The home page says a short story or a 300,000-word saga. It does not publish a hard cap.

Pricing (checked 2 November 2026)

The prices are on the home page, in the block labelled as a pricing section. https://kudowrite.com/pricing returned 404. The terms say the price is the one shown in the app before you pay.

Pack	Price	What the card says
Free	$0	1 credit. "On us. Try everything." The FAQ says this is about 10 simple rewrites, after you confirm your email, with no card.
Short novel	$3.50 once	100 credits. The card calls that roughly a short novel.
Full book	$7.50 once	500 credits. Roughly a full book.
Polished book	$12.50 once	1,000 credits. The card says a polished, well-revised book.

The line under the cards says the counts are a rough guide and depend on how much you rewrite. Payments are one-off, in USD, via Stripe. The terms say credits cannot be transferred or exchanged for cash, and that a leftover free credit is added to the balance when you buy a pack. Each request spends credits according to the AI usage it consumes. The pages do not publish a credit-to-token table. Check the vendor if you need the rate.

Using it as a writer

1. Read the August change before you paste a book you kept offline on purpose. The privacy policy says the old version could not see your manuscript even if someone wanted to, because it lived in the browser. The current version stores it on a server they operate. They say they do not read it. They also say they are able to.
2. Spend the free credit on one beat, not on a whole chapter. The FAQ's "about 10 simple rewrites" is their estimate. A Novel-gear rewrite of a long beat will not be ten of those.
3. Commit only what you mean to keep in the bible. The bible updates on commit. A throwaway experiment that you commit becomes a fact the next beat can see.
4. Treat Suggest Beat as three options, not a plot. The release says you pick, steer, or roll again. The demo's three cards are theirs.
5. Export or copy anything you cannot lose. The terms say the app is provided as is, with no warranty against data loss. Deletion in the app is immediate and they say there is no backup to restore. You can email admin@kudowrite.com for a JSON copy of your projects.
6. If you publish a chapter, assume a reader can download it. Unpublishing stops the public page. It does not pull back a file someone already saved.

Strengths

• The price is a number, on the page, and it is not a subscription. $3.50, $7.50, and $12.50. The free credit needs an email confirmation and no card.
• The training language is specific for purchased credits. OpenRouter, zero data retention, no training, and they say the prompt text is not kept after the request. The usage record keeps the credit cost, the model, the token count, and which feature it was. Not the prose.
• You are told you own the manuscript. The terms say KudoWrite claims no rights, does not sell the work, and does not make it public unless you publish a chapter.
• The bible is described as something you can edit, not only as a hidden prompt. Import from Sudowrite, Novelcrafter, and NovelAI is listed, which matters if you are leaving one of those.
• Suggest Beat is dated. The 31 October 2026 release says what the three cards are and that the credits did not change when the two slots arrived.

Weaknesses

• The free path is not the paid path. While KudoWrite's free allowance lasts, the free credit uses the same OpenRouter route. When that allowance runs out, the privacy policy says the free credit runs on Mistral under Mistral's terms. Purchased credits are used first once you have bought any, so they stay on the no-training route. If you never buy, you are on the fallback the policy hands to Mistral.
• They can read the database. The privacy policy says this plainly, and says they will not. That is a promise, not the old technical inability.
• "A full book" is a rough guide. Five hundred credits is not a contract for a finished novel. Heavy Novel-gear rewrites will spend the pack faster. There is no published rate.
• No company name on the pages we read. You are contracting with "the developer of kudowrite," by email.
• An outside page is behind the product. iTechGuides scores KudoWrite 3.0 out of 10 and still says you must bring an OpenRouter or Mistral key, with provider charges billed separately. The vendor's pricing section on 2 November 2026 listed built-in packs from $3.50 and an optional key. Use the vendor page for the price.
• Community Books is a public library if you press Publish. Comments, kudos, and downloads are part of that. It is easy to describe and easy to turn on by mistake if you are clicking through a finished chapter.
• No local model. Your own key is OpenRouter or Mistral, in the cloud.

How it compares

• KudoWrite vs Sudowrite. Sudowrite is a monthly credit studio with a Story Bible, continuation, and rewrite tools inside one subscription. KudoWrite is beats, a bible that updates on commit, and a pack you buy once. If you already live in Sudowrite, the import FAQ is the page to read before you move a manuscript. See the Sudowrite review.
• KudoWrite vs Novelcrafter. Novelcrafter's codex is yours to maintain, and from Hobbyist up you bring your own key, including a local model. KudoWrite will take an OpenRouter or Mistral key, and it also sells the model inside the credit. A local model is not described. See the Novelcrafter review.
• KudoWrite vs AuthorFlows. AuthorFlows is $10 a month or $96 a year for an editor, eight structures, and a Story Analyzer, with no free studio plan. KudoWrite is a credit pack and a beat board. The Analyzer is a report you run. Suggest Beat is three next beats. See the AuthorFlows review.
• KudoWrite vs ProseEngine. ProseEngine is made by the person who runs this site. See the disclosure above. It is a fiction studio with a codex and scene generation, priced in euros, with a free plan. We are not scoring that matchup.

Verdict

KudoWrite is a real novel studio with a public price: one free credit, then $3.50, $7.50, or $12.50, and no subscription. The 31 October 2026 release adds Suggest Beat and splits KudoAI into a bible slot and a prose slot without changing that price. The privacy page is clearer than most about training, and it is also clear that the server can see the manuscript and that the free credit can leave the no-training route.

Pay for a pack if the beat board is the shape you want and the rough credit guide is enough. Do not pay because a directory still says the app is free if you bring a key. That description is older than the pricing section.

Noted on 4 November 2026

The packs were unchanged: one free credit, then $3.50, $7.50, and $12.50. The newsroom still ends at the 31 October releases. Two things on the public pages moved. The home page now calls the middle rewrite gear Balanced. The 31 October release still calls it Short. The privacy policy's last-updated line now reads November 2026. The training route is the same sentence as before: no training on their side, purchased credits through OpenRouter with no retention, the free credit falling through to Mistral when the allowance runs out. The new policy text also describes friend chats that never go to a model. The home page does not.

FAQ

Is KudoWrite free? You get one credit after you confirm your email. The FAQ says that is about 10 simple rewrites, and that no card is required. After that the packs are $3.50, $7.50, and $12.50.

How much does it cost? Those three packs, once, in USD, via Stripe. There is no subscription. The page says the credit counts are a rough guide.

Does KudoWrite train on my novel? The privacy policy says no, not on their side, and that purchased credits go only to providers that do not retain prompts and do not train on them. The free credit uses that route until KudoWrite's free allowance runs out, then Mistral under Mistral's terms. A key of your own is governed by that provider.

Do I own what I write? The terms say you own everything you write. Publishing a chapter on Community Books gives them a licence to host and let readers download it while it stays published. You can unpublish.

Does it remember chapter one? The FAQ says every committed beat updates the story bible and a summary of the whole book, and that chapter 30 is written with chapter 1 in context. That is their description. This review did not run it.