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Type a fantasy above or tap a starter. The first lines appear in a few seconds.
Free AI fanfic generator · no sign-up
AI fanfic generator for the ships you actually read
Name the fandom, the pairing and how filthy you want it. A chapter of about 700 words lands in seconds, then you hit Continue or pick one of four new directions. No account needed.
Or start from
How the fanfic generator works
No forms, no character sheets, no settings page. You write one line like you'd tag a fic, and the story starts.
Type the ship and the trope
Fandom, pairing, x reader or canon couple, trope, rating. Or paste the last scene of your fic and ask for the next one.
Read your chapter
About 700 words stream in within seconds, in the POV you asked for, with the characters sounding like themselves.
Choose what happens next
Hit Continue, or pick one of four directions written for this exact story. Or type your own and the fic follows.
Fanfiction prompts to start from
Tap one to drop it into the box above, change anything you want, and send it.
What makes this fanfic AI different
Built for readers who want the fic they can't find on AO3 yet, written right now.
A chapter in seconds
No waiting for an update. Your first chapter streams in while you read it.
Real choices after every chapter
Four next moves written for your story, plus Continue. Pick one or write your own.
As explicit as you ask
Lemons, smut, kinks, slow burns that finally pay off. Fluff if that's your mood. You set the heat.
Your POV, your ship
x reader in second person, canon couples, rare pairs, crack ships. It keeps the pairing and the POV you chose.
Knows the canon
Names, places, powers and the way characters talk stay true to the fandom unless you ask for an AU.
Grows into a full story
Keep going chapter after chapter. When it turns into something bigger, AIWriteBook can write the whole book.
Form-based generators vs this one
Most free fanfic generators ask you to fill in fields and hand back one short block of text. This works more like reading a fic that writes itself as you go.
| What you get | Typical fanfic generator | AIWriteBook story chat |
|---|---|---|
| Getting started | Fandom, characters, genre and length fields | One line in your own words |
| Sign-up | Often needed after the first try | None to start |
| Explicit scenes | Often toned down or cut off | Written in full |
| Length | A few paragraphs | About 700 words per chapter, as many chapters as you want |
| After it's done | Start over with a new form | Continue, four story-specific choices, or your own direction |
Fanfic generator questions
Yes, you start free with no account. To keep going, a pack of 250 credits costs $20 and each chapter uses 15 credits, so about 16 chapters per pack.
No content filter on adult fiction. Smut, lemons, kinks and dark themes are all fine. Every character in the story is an adult.
Yes. Write "x reader" in your idea and the chapter comes in second person with you in the scene. It stays in your POV when you continue.
Books, anime, games, films, TV and bands. Marvel, ACOTAR, Fourth Wing, The Witcher, Star Wars, Call of Duty, Bridgerton, BBC Sherlock and far more. If it's a small fandom, add a line about the characters and it uses that.
Yes. Paste the last part of your fic with a short note like "continue from here, same voice". It picks up mid-scene and keeps your tone.
About 600 to 750 words. Hit Continue or pick a choice and the next chapter adds another 600 to 750.
Yes. Type your idea in Spanish, German, French, Portuguese, Japanese or any other language and the fic comes back in that language.
Yes. AIWriteBook writes full-length novels chapter by chapter from your idea, with your characters and outline kept in one place, and exports to EPUB and PDF.
More ways to play
Got a fic that wants to be a whole book?
AIWriteBook plans the outline, keeps your characters straight and writes every chapter of a full novel. Original worlds, your own characters, as spicy as your fics.
Free to start. No credit card required.