AI Sex Story Generator – Free Erotic & NSFW Stories, No Sign-Up | Smutty

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smutty. 18+

An erotic story generator that writes what you want

Smutty is an AI erotic story generator and sex story maker for adults. Type a premise, or leave it blank, pick a story type, and it writes a custom sex story in seconds: a hook, real tension and a payoff, with the characters, kinks and heat level you chose. Want a short sex story for tonight or a long one you can keep going chapter by chapter? Set the length and go.

Every story is original and written just for you. Nothing is published unless you choose to, and there's no account to create.

How it works

Set the sceneType a prompt, tap 🎲 Surprise me, or pick a story type. Each type has its own options, like roles, setting or who makes the first move.
Dial it inChoose explicitness, tone, point of view, build-up, length and your characters' names.
Read and keep goingYour story streams in live. Pick what happens next, continue to a new chapter, rewrite it hotter or softer, or download it.

Sex story types

Each story type has its own generator with tailored options. Pick one to start with the right presets.

Pairings

Relationships

Kinks

Scenarios

Settings

More story types are added every week.

NSFW story prompt ideas

Stuck for a plot? Tap an idea to load it into the generator, or use 💡 Get prompt ideas for five fresh premises at a time.

Read stories by other readers

Readers publish their favorite stories to the public library, sorted by category and voted on by everyone. Filter by heat, tone and length to find your kind of story, then vote for the best ones.

Browse the story library

Privacy and safety

Private by default. Stories appear only in your browser unless you save or publish them.
Your choice what's kept. Without an account, stories aren't stored on our servers. With a free account they're kept in your private library, and you can switch history off or delete everything any time. Stories are never used to train models.
Adults only. Smutty is for readers 18+, and every character in every story is an adult.
Clear lines. No minors, family or step-family, animals, non-consent or real people. These rules are checked on our server, not just in the form. Read the content policy.

Frequently asked questions

Is Smutty free?

Yes. Everyone gets 3 free stories a day, and each one includes its next chapter. Give us your email (a free account) and you get 5 extra stories on top. Tokens are optional: they cover Long stories and anything past your free stories, and each token also buys a story plus its next chapter.

Do I need to sign up?

No. You can write stories without an account, email or login. A free account (email sign-in link, no password) adds 5 extra stories, a private library with your history, and is needed to buy tokens or publish.

Is there a limit?

You get 3 free stories a day (each with its next chapter included), reset at midnight UTC, plus 5 extra stories once when you create a free account. Past that you can use tokens: 1 token buys a story plus its next chapter, and Long stories use 2.

Is it uncensored?

Smutty writes fully explicit adult fiction and lets you set the explicitness from Spicy to Explicit. It isn't a free-for-all though: it won't write minors, family or step-family storylines, animals, non-consent or real people, and those rules are enforced on our server.

Is it private?

Stories are never used to train models and are only public if you publish them. Without an account, nothing is stored on our servers. With an account, your stories are kept in a private library only you can see, and you can turn history off or delete everything at any time.

Can I continue a story?

Yes. After each part, pick one of the suggested "what happens next" choices or press Continue to write the next chapter with the same characters, settings and voice.

Can I download my story?

Yes. Use Download .txt to save every chapter as a plain-text file, or Copy to paste it anywhere.

What's not allowed?

Every character must be an adult (18+) and everything must be consensual. Smutty won't write about minors or school-age settings, incest including step-family and in-laws, animals, rape or coercion, sleeping or incapacitated people, real or famous people, or extreme gore and scat. See the content policy for the full list.