Here’s Our Review of the 9 Best AI Fanfic Generators For Creative Storywriting

August 13, 2025

Quick Summary

We review the best AI fanfic generators available today, comparing their features, pricing, and strengths so you can find the right fit for your stories. From quick, free options to advanced platforms like DreamGen, you’ll discover tools to bring your favorite characters and worlds to life with ease and creativity. Check out the DreamGen blog for more reviews, guides, and tutorials.

Looking for the Best AI Fanfic Generators?

If you love fanfiction but don’t know where to begin, AI fanfic generators are here to help. They let you create fun, fresh stories about any characters you like only with a few prompts and refinements.

In this DreamGen guide, we’ll cover what AI fanfic generators are, how they work, and which tools give you the best results. You’ll learn everything you need to start writing fanfics quickly and easily with AI by your side.

But first…

Why Listen to Us?

At DreamGen, we don’t just talk about AI fanfiction, we’ve built a tool that powers it. Our platform helps thousands of writers create unique stories with AI every day. We’ve designed features like multi-character chats, detailed story bibles, and easy-to-use instructions so that creators can write exactly what they imagine. So, when it comes to AI fanfic generators, we know what works, what doesn’t, and what makes stories shine.

What is an AI Fanfic Generator?

Before we get to the list of AI fanfic generators you can choose from, let’s get familiar with the tool itself.

An AI fanfic generator is like a supercharged storytelling buddy that helps you write fanfiction, i.e., stories based on your favorite characters, shows, games, or books. It’s designed to take your prompts and continue them naturally, creating new scenes or dialogues.

How Does It Work?

Here’s how it works, step by step:

You give it a prompt: This could be something like “Harry Potter and Hermione go on a space adventure” or “Naruto meets Spider-Man in New York.”
The AI takes over: It uses its knowledge of language and storytelling to write a story based on your idea. It fills in the details, such as dialogue, action, emotions,and plot twists.
You can guide it: Want more romance? More drama? A surprise ending? You can tweak the prompt or add instructions, and the AI will adjust the story.
You get a full fanfic: Some tools write it all at once, others let you build it paragraph by paragraph so you can shape the story as it goes.

Together, these elements help turn simple ideas into complete, engaging fanfics. It’s perfect if you love fanfiction but don’t always know how to start, or if you just want to see wild crossovers come to life.

Top 9 AI Fanfic Generators To Consider

1. DreamGen

The first tool on the list is, of course, ours.

DreamGen is an unfiltered AI fanfic generator designed for fanfiction writers who want full creative control, with the flexibility to switch between story-writing and role-play modes.

Instead of talking to characters, you get a dedicated Story Mode that gives you a clean, focused text editor where your story unfolds like a classic novel or webfic. You write scenes, the AI continues them naturally, and you stay in full control of tone, pacing, and plot.

Whether you’re rewriting a famous scene or crafting an epic crossover, DreamGen lets you shape every detail without feeling limited by short, chatty replies.

Key Features

Story Mode Editor: Write and edit paragraphs like you would in a word processor, perfect for long, flowing stories.
Scenario Codex: Build your own “story bible” by defining plotlines, characters, and settings, so your fanfic stays consistent and rich.
Story Steering: Steer the AI by giving clear prompts like “Make Hermione challenge Draco to a duel,” letting you guide every twist.
Style Customization: Choose how your fanfic sounds by setting response length, tone, and writing style to match the fandom or your own voice.
Story Assistant: Get mid-scene help with suggestions for new characters, edits for smoother dialogue, or fresh plot ideas.
Scenario Wizard: Turn a short prompt into a fully fleshed-out scenario, saving you time building complex worlds or alternate universe setups.
Image Generation: If you want to enrich your stories with captivating visuals, DreamGen offers a reliable image generation feature.

Pricing

We offer three flexible subscription plans:

Starter: Best for using the smaller AI model with basic memory.
Advanced: Access the top AI model with improved memory for longer, more consistent stories.
Pro: Enjoy unlimited use of the best AI model and the largest memory capacity for complex fanfics.

There’s also a generous free plan to try every model and feature before committing.

Pros

Writes consistent, long-form stories smoothly
Detailed scenario management keeps plots organized
Powerful in-line instructions for steering scenes
Lets you set tone and length to match fandom style
Assistant suggests ideas when you’re stuck
Freely edit or rewrite any part of your story
No filters–write what you want, how you want

Cons

Learning all Story Mode features takes some time to master
Lacks a mobile app, however the website is optimized for mobile

2. NovelAI

NovelAI is a fiction-focused AI writing tool that’s popular among fanfiction writers for its ability to create smooth, immersive stories. Unlike many general AI apps, NovelAI’s models are trained on real literature, helping you keep your characters in character and your plot on track. It works like a responsive co-writer, building each scene line by line as you direct the story.

Key Features

Storyteller Mode: Continue your story sentence by sentence, accepting, editing, or retrying the AI’s suggestions.
Text Adventure Mode: Type actions or dialogue in a game-like setup, and watch the AI react in real time.
Custom AI Models: Choose models like Euterpe, Genji, or Clio, each offering different tones and creativity levels.
Lorebooks: Save important characters, places, and backstories to weave richer, more coherent fanfics.

Pricing

NovelAI offers a free trial with limited access to its features. After that, you can pick from three paid plans available in Writer, AI Artist, or both categories:

Tablet Plan: Ideal for casual users, includes enhanced writing tools and access to advanced AI capabilities.
Scroll Plan: Includes advanced editing tools, greater interaction with AI, and additional story development features.
Opus Plan: Offers full access to all features, including unlimited style customization and priority support.

Each unlocks more memory, models (Opus adds Llama Erato 70b), and larger image credit pools.

Pros

Built specifically for writing fiction and fanfics
Multiple writing modes to match your style
AI models offer varied tones and creativity
Lorebooks keep plots and details consistent
Generates images to match your scenes

Cons

Only a short free trial available
Short context window and memory
Settings can be a bit confusing to configure

3. DreamPress AI

Next on the list is DreamPress.

DreamPress AI is built for fanfic lovers who dream big. It helps turn your surreal ideas, AUs, and headcanons into vivid stories.

With strong memory tools and guided writing, you can easily steer ships, reshape canon, and explore wild what-ifs, all while keeping your narrative consistent and immersive. Perfect for creative control without limits.

Key Features

Dream-Prompted & Fandom-Driven Writing: Whether you're working from a canon scene, a vague AU idea, or a detailed pairing prompt, Dreampress helps turn that spark into a well-formed narrative.
Editable Character and Chapter Memory: You can tweak the story’s memory, like tracking which characters are present or summarizing past events, so your fic doesn’t lose its thread.
Custom AI Memory Controls: You can preload descriptions, headcanons, or background world info so the AI keeps track of what matters.
Targeted Rewrite Tools: If a scene feels off or a character’s voice slips, you can regenerate or revise just that part. No need to start from scratch.
Built-In Image Generation: Want visuals to go with your story? DreamPress lets you create matching art, whether that’s for characters, ships, or scenes.

Pricing

DreamPress keeps things simple with a single Unlimited Plan.

You get unlimited story generations, up to 2,000 image renders per month, and the ability to export and fully own your fanfics.

Pros

Strong at maintaining tone and voice across long-form stories
Allows deep customization without breaking narrative flow
Minimal censorship, suitable for mature or niche fandoms
Regeneration is fast and doesn’t feel formulaic

Cons

Interface can feel overwhelming for casual users
Image generation quality varies, especially with complex prompts
Limited community or sharing features compared to fanfic-specific platforms

4. Writecream

Writecream is an all-purpose AI writing tool that recently added a dedicated AI Fanfiction Story Generator. While the platform is better known for marketing content and social media copy, its fanfic tool is surprisingly beginner-friendly.

With just a short prompt, Writecream can generate a complete fanfiction story in seconds, making it a great option for casual writers or anyone looking to spark quick inspiration.

Key Features

One-Click Fanfic Generator: Enter a prompt (characters, setting, genre), and the AI instantly creates a full story.
Customization Options: Choose tone, language, and word count to shape the output.
Genre Variety: Supports a wide range of genres, from romance and fantasy to sci-fi and adventure.
Mobile App: Available on both Android and iOS, so you can write on the go.

Pricing

Writecream has two plans:

Unlimited Pro: 100 AI images, unlimited projects, 100 voiceovers, and access to 55+ premium tools for one user.
Unlimited Pro Max: Unlimited images and voiceovers, 60+ premium tools, five user seats, and bonuses worth $500+.

Pros

Extremely easy to use
No sign-up needed to try the fanfic tool
Fast, one-click story generation
Supports multiple genres and tones

Cons

Limited story depth, better for short, casual fanfics
No memory or character tracking for long-form writing
Lacks advanced tools like story bibles or instruction-based plot control

5. Perchance

Perchance is a free, browser-based AI tool that lets you generate fanfiction instantly. No sign-up, no limits, no fuss. It’s designed for simplicity: you enter a prompt, and the AI writes a story based on it. You can guide the story paragraph by paragraph or let the AI take the lead.

If you're looking for a fast, free, and fun way to generate fanfic, especially for short stories or wild superhero crossovers, Perchance is a great place to start.

Key Features

Prompt-Based Generation: Just type in your idea, and the AI writes a full fanfic scene or story.
Paragraph-by-Paragraph Control: Optionally guide what happens next after each section.
Unlimited Use: No daily caps, credit systems, or locked features.
Fandom Flexibility: Works with any fandom or pairing, from anime and Marvel to K-pop and Minecraft.

Pricing

Perchance is completely free to use. There are no subscriptions, paywalls, or hidden features. Everything is available from the moment you open the page.

Pros

Beginner-friendly and accessible
No sign-up or payment required
Unlimited story generation
Great for quick writing sessions or idea exploration

Cons

No memory or character tracking for long-form stories
Lacks advanced tools like story bibles, instruction-based plot control, or editing assistance
Not designed for structured or serialized fanfiction

6. AI Dungeon

AI Dungeon is an interactive storytelling platform that lets you write fanfiction in real time. Instead of drafting full chapters, you guide the story one action or line of dialogue at a time, and the AI responds dynamically.

If you’re a writer who enjoys spontaneous storytelling and wants to explore fanfiction through a more game-like experience, AI Dungeon is a fun and flexible tool to try.

Key Features

Interactive Story Mode: Type actions, dialogue, or narration, and the AI continues the story based on your input.
Custom Worlds: Create your own settings, characters, and rules to shape the story’s tone and logic.
Multiplayer Mode: Collaborate with friends in the same story, each controlling different characters.
Unfiltered Creativity: Offers open-ended generation with minimal restrictions.

Pricing

AI Dungeon offers a tiered pricing model with free and premium subscription options:

Adventurer: Unlimited basic image generation
Champion: 760 credits per month
Legend: 1650 credits for ultra image or text generations
Mythic: Unlimited speed-boosted Premium AI text models

Pros

Great for interactive, real-time fanfiction writing
Supports any fandom, genre, or pairing
Encourages creativity through open-ended prompts
Multiplayer mode adds a collaborative twist
Free to try with upgrade options

Cons

Not ideal for structured, chapter-based fanfics
Lacks tools like story bibles or long-term memory tracking

7. Vondy

Vondy is a multi-purpose AI platform that includes a dedicated fanfiction generator. It’s designed for quick, one-click story creation based on user input, making it a great option for casual writers or anyone looking to explore fun scenarios across popular fandoms.

You simply choose a universe (like Harry Potter or Marvel), select characters, describe a plot or theme, and Vondy generates a complete story instantly.

Key Features

Prompt-Based Generator: Fill in fields for fandom, characters, and plot ideas to generate a full fanfic.
Genre & Theme Options: Choose from romance, mystery, fantasy, sci-fi, and more.
Unlimited Generations: According to the site, there are no limits on how many stories you can create.
Image Support: Optionally add reference images to guide the story’s tone or setting.

Pricing

Vondy offers three plans:

Starter: Free plan with limited daily credits and basic AI assistant.
Pro: Includes 10,000 monthly credits
Max: Offers 50,000 credits

Pros

Lets you pick your fandoms and characters directly
Fast story generation for quick inspiration
Simple interface is great for new users

Cons

No tools for story structure or character continuity
Not designed for serialized or deeply structured fanfiction

8. Musely

Next on our list of AI fanfiction generators is Musely.

Musely’s AI Fanfiction Story Generator is a flexible tool that helps you turn creative ideas into polished fanfics with just a few prompts. You can build stories that stay true to your favorite universes by choosing characters, settings, and plot points, then customize the tone, genre, and style to match your vision.

Key Features

Fandom-Specific Story Generation: Create stories that respect original character traits and world-building.
Custom Plot Development: Use intelligent plot suggestions and arc generators to shape your narrative.
Character Personality Mapping: Keep characters consistent with authentic dialogue and actions.
Multiple Writing Styles: Choose different tones and genres to match your favorite fanfiction formats.

Pricing

Musely offers a free plan with limited generations and a Professional plan at $5/month (billed annually), which unlocks unlimited generations, advanced writing tools, and priority processing.

Pros

Supports a wide range of fandoms, genres, and writing styles
Offers detailed customization for plot, tone, and character behavior
Easy refinement of scenes and dialogue
Affordable professional plan for unlimited use

Cons

Not ideal for writers who want full control over every paragraph
May need tweaking to perfect complex plots

9. HyperWrite

We conclude our list of AI fanfic generators with Hyperwrite.

The FanFic Maker from HyperWrite is a dedicated tool for quickly turning your fanfic ideas into full stories. It lets you choose characters, settings, and plot elements, then generates unique stories that stick to the personalities of your favorite characters.

Whether you want an alternate universe twist or a missing scene, FanFic Maker makes it easy to bring fresh ideas to life.

Key Features

Alternate Universe Support: Explore what-if scenarios like swapping character houses or roles.
Missing Scenes: Create extra moments between characters that the original stories didn’t show.
Crossovers: Combine characters from different universes for creative, unexpected stories.

Pricing

FanFic Maker offers a limited free trial. For ongoing access, you can choose Premium at $19.99/month or Ultra at $44.99/month, with discounts for first-time subscribers.

Pros

Supports creative crossovers and alternate universes
Generates stories with clear structure and flow
Quick editing for polishing your fanfic drafts
Great for writing missing scenes or extra chapters

Cons

No memory or long-form story tracking
Lacks advanced tools like story bibles or plot steering
Output often needs editing to match tone or pacing

Choose DreamGen for Next-Level Fanfic Writing

AI fanfiction generators make it easier than ever to turn ideas into exciting stories with your favorite characters. From simple paragraph tools to advanced platforms, there’s something for every writer. But if you’re looking for full control and deep customization, it’s hard to beat DreamGen.

DreamGen offers unmatched flexibility with its Story Mode, Scenario Codex, and detailed style controls, letting you craft consistent, immersive fanfics that truly match your vision.

Ready to create unforgettable fanfiction? Try DreamGen for free today.