11 Writer-Approved AI Tools to Write Better Fiction

OpenAI GPT-4: Advanced AI Writing Partner

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Scrivener + AI Integration

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Plottr AI: Story Structure Assistant

Image Source: Plottr

Plottr enhances fiction writing with AI capabilities through its accessible story planning interface. The software blends traditional plotting tools with AI-powered features to create a unique approach to story development.

Plottr AI Story Planning

The platform has  built on proven storytelling structures over 30 plot templates[1]. These templates work well for all genres, from traditional Hero's Journey to specialized formats like Children's Book Plot and Romancing the Beat. Writers retain full control of their creative process since Plottr's AI integration stays optional and off by default [2].

The AI features excel at helping writers brainstorm [3]. The system handles all technical aspects behind the scenes so writers can focus on their creativity. The AI helps create random scene ideas, fills character sheets, and builds story summaries effectively [4].

Plottr AI Character Development

Character creation shines through Plottr's complete templating system. Writers can access several character development frameworks [1]:

·       Myers-Briggs Type Integration

·       Goal, Motivation, Conflict Analysis

·       Enneagram Character Development

·       Birth Order Personality Mapping

The AI helps generate character attributes and backgrounds while keeping your data private. Your creative work stays protected as the system processes story data through  secure API connections[5].

Plottr AI Cost Analysis

Plottr's pricing fits different budgets and needs. The Classic version costs $60.00 per year or $139.00 for a lifetime license [6]. Writers who need advanced features can choose Plottr Pro at $250.00 annually or $15.00 monthly [6]. The Pro + Community tier gives access to all features plus writing community resources at $270.00 yearly or $27.00 monthly [6].

You can use the platform on multiple personal devices without extra costs thanks to unlimited household licenses [7]. Your existing projects and files stay available even after subscription expiration [7], though updates need an active subscription.

AutoCrit: AI-Powered Manuscript Analysis

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AutoCrit helps fiction writers edit their manuscripts better through analytical insights based on  millions of bestselling books[8].

AutoCrit Genre Analysis

The AI system studies manuscripts and compares them with successful books in all genres. Writers get specific feedback that matches publishing industry standards [8]. The system learns from bestselling titles and guides writers in different fiction categories - from thrillers to romance [8]. Writers can compare their work with famous authors like Stephen King, Danielle Steel, and James Patterson [8].

AutoCrit Editing Features

Writers get detailed manuscript analysis through more than 20 interactive reports [8]. These reports look at:

·       Pacing and momentum analysis

·       Dialog improvement suggestions

·       Word choice optimization

·       Story structure evaluation

·       Character development tracking

The Story Analyzer gives feedback about plot progression, character arcs, and possible contradictions [9]. AutoCrit goes beyond simple grammar checking. It helps writers with advanced elements like showing versus telling and active voice usage [10].

AutoCrit Subscription Value

AutoCrit's pricing fits different budgets. The , while the yearly plan saves 50% at $15.00 per month monthly subscription is $30.00[11]. Members get:

·       33 unique editing reports instead of 7 in the free plan [10]

·       Access to private discussion forums and special events [12]

·       Q&A sessions with authors and publishers [12]

·       Optional AI-powered Inspiration Studio for creative help [12]

AutoCrit protects data privacy by using algorithmic analysis for editing reports. Writers can choose whether to use generative AI features [12]. This means writers keep control of their creative work while getting professional editing guidance [12].

AI Dungeon: Interactive Story Creation

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No source text provided to rewrite.

Reedsy's AI Editor: Professional Publishing Tool

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Reedsy's AI Editor helps authors streamline their book production with smart automation and advanced tools.

Reedsy AI Editing Features

The AI-driven system handles complex formatting and typesetting automatically [13]. What started as a manuscript preparation tool has evolved into a platform with detailed writing and editing capabilities. The system excels at:

·       Automatic chapter titling and organization

·       Live collaborative editing

·       Scene break insertion

·       Instant autosave functionality

·       Image integration support

·       Citation management

Reedsy Publishing Tools

The platform offers advanced publishing features that go beyond simple editing. The system typesets manuscripts to industry standards automatically [13] and generates both ePub and PDF formats ready for distribution [14].

Writers can focus on content creation while the AI manages technical aspects of book preparation. The editor ensures professional formatting standards in book sections like front matter, body, and back matter [15].

Reedsy Service Costs

Simple Reedsy Studio features for writing and formatting remain free [13]. Professional editing service costs depend on your manuscript's length and type:

 for an 80,000-word book An editorial assessment costs about $1,830[16]. Development editing costs range from $0.02-$0.04 per word [16]. Copy editing services cost $0.02-$0.03 per word [16]. Proofreading services start at $0.01 per word [16].

The platform uses a shared commission model with a 20% fee split between professionals and clients [17]. This model supports platform development, network curation, and customer support. Authors retain complete control over their publishing decisions and can choose from various distribution options for digital and print formats [15].

StoryAI: Creative Inspiration Generator

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Story AI revolutionizes creative writing with its detailed platform for interactive storytelling. The system blends advanced AI technology with user input to create compelling narratives in multiple genres [18].

StoryAI Plot Generation

Writers can create interactive stories through user-guided storytelling paths on this platform. Story AI's plot generation system  supports 10 different genres[18]. Writers retain creative control while getting AI-generated story blueprints that help turn simple ideas into rich, well-developed tales.

StoryAI Character Creation

Story AI shines in character development through its rich profiling system. Writers can:

·       Build rich character profiles

·       Craft deep backstories

·       Define unique personality traits

·       Guide character growth

·       Create dynamic dialogs [18]

The system's character generation goes beyond simple attributes. It studies successful character archetypes and suggests powerful personality combinations and relationship dynamics.

StoryAI Price Plans

The Personal plan gives users  50 full stories and 500 story idea brainstorms each month[18]. Writers can explore many narrative directions without creative constraints. Professional and Publisher plans come with commercial usage rights [18]. These plans target authors who want to monetize their work.

Story AI works well beyond novel writing. Writers use it to create educational content, develop creative writing projects, and build storytelling portfolios [18]. The system keeps users involved throughout their creative journey with up-to-the-minute collaboration features. Each subscription tier offers unlimited creative exploration.

DeepStory: Deep Learning Fiction Assistant

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DeepStory combines human creativity with artificial intelligence to give writers advanced script and story generation capabilities. With  and 150,000 active users over 10 million text generations[19], this AI novel writing software is 2 years old and serves as a reliable writing companion.

DeepStory AI Features

The platform creates human-like writing from user input [20]. The system has these features:

·       Script generation for movies and RPGs

·       Short-form content creation

·       Story development across multiple formats

·       PDF import functionality

·       Oscar-winning sample script integration [21]

We focused on screenwriting and narrative development while DeepStory keeps context in extended writing sessions [22]. Writers can get suggestions for plot twists, dialog, and scene developments through the platform's interactive story builder that boosts overall narrative quality [22].

DeepStory Genre Tools

The system works with multiple writing modes to support different storytelling styles [23]. DeepStory uses deep learning algorithms to analyze successful story elements and generate genre-specific content [23]. Writers of all types benefit from the platform's consistent handling of different narrative styles [22].

The platform's genre-specific writing modes help writers stick to proven conventions during story development [23]. Content quality improves as the system analyzes and adds elements from successful scripts [21].

DeepStory Subscription Options

Writers can choose from these flexible pricing tiers:

Premium Plan:  has 10,000 words monthly generation limit and better language model access €12.99/month[21]. Pro Plan: €29.99/month gives you 25,000 words monthly with extra features [21]. Power Plan: €49.99/month lets you generate 50,000 words monthly [21].

Each plan has core features like PDF import and oscar-winning sample scripts [21]. Plans differ mainly in generation limits and advanced features. Writers can try the platform free before buying a subscription [24].

The platform makes shared projects easier with immediate editing and feedback features [22]. This makes DeepStory perfect for solo writers and teams working on complex projects.

WordAI: Content Enhancement Tool

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WordAI uses advanced machine learning models to turn fiction manuscripts into polished works. The platform boosts creative writing through intelligent rewriting capabilities [25].

WordAI Fiction Features

The platform's sophisticated algorithms process content at sentence level and rewrite each segment from scratch while preserving the original meaning [26]. WordAI goes beyond simple synonym replacement to provide:

·       Sentence restructuring for uniqueness

·       Natural language enhancement

·       Grammar and spelling correction

·       LSI keyword optimization

·       Content clarity improvement

WordAI Writing Support

Writers can access the system through its accessible interface [27]. The platform lets you  rewrite up to 3,000,000 words monthly[28], which makes it perfect for large fiction projects. It handles HTML content and bulk article processing [25]. Authors working on series or multiple projects will find this especially useful.

WordAI's API integration fits smoothly into existing writing workflows [26]. Writers can keep their narrative style and character voices consistent because the platform maintains context throughout rewrites [29]. The system's advanced algorithms help writers push through creative blocks by creating multiple versions of the same content [25].

WordAI Cost Analysis

Writers can choose from three pricing tiers [28]:

·       Starter Plan: $17 monthly for 50,000 rewrite words

·       Power Plan:$57 monthly for 3,000,000 rewrite words

·       Enterprise Plan: Custom pricing for specialized needs

WordAI comes with a 3-day free trial and a 30-day money-back guarantee [28]. Yearly subscriptions provide great savings. The Power Plan costs $27 monthly with annual billing [28]. Writers can explore the platform's features risk-free while getting professional-grade rewriting tools for their fiction projects.

Novel Factory AI: Complete Writing System

Image Source: The Novel Factory

Novel Factory makes your writing trip smoother with its purpose-built features and shared writing coaching system. This complete AI novel writer helps both beginners and seasoned authors with specialized tools that develop their stories.

Novel Factory Planning Tools

The platform's Novel Writing Roadmap divides the writing process into  15 manageable stages[30]. This step-by-step guide takes you from your original premise to final manuscript and draws on proven storytelling techniques used in bestselling novels [30]. The Plot Manager uses a systematic approach and provides genre-specific templates to structure your story effectively [30].

Character development gets special attention through detailed questionnaires that cover everything from physical attributes to psychological profiles [31]. The Location Builder helps you craft immersive settings through prompts that explore sensory details and historical significance [31].

Novel Factory AI Features

The software's Subplot Manager stands out among AI writing apps and lets you create separate columns for plot threads, themes, and character arcs [31]. This feature maintains story coherence by connecting notes with specific scenes [31].

The Turn Back Time feature saves your work automatically and gives you access to previous versions whenever needed [32]. The Statistics tab tracks your daily word count and writing rate to help you maintain momentum [31]. You can set individual-specific targets and monitor progress through detailed breakdowns of word count by section or date [32].

Novel Factory Pricing

The platform has three flexible subscription tiers:

·       Basic Plan:  or USD 75.00 yearly, perfect for single novel projects with 50MB storage USD 7.50 monthly[33]

·       Standard Plan: USD 20.00 monthly or USD 198.00 yearly, supporting unlimited novels with 500MB storage [33]

·       Lifetime Access: One-time payment of USD 649.00 for perpetual access to version 3.0 [33]

Each plan gives you full access to core features. The plans differ mainly in storage capacity and number of concurrent projects [33]. Annual subscriptions give you two months free compared to monthly payments [33]. You can test the platform through a 30-day free trial without providing credit card details after signing up [33].

Marlowe AI: Professional Manuscript Analysis

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Matthew Jockers, Ph.D., co-author of The Bestseller Code, created Marlowe, a sophisticated AI tool that analyzes manuscripts through classical artificial intelligence [34].

Marlowe AI Analysis Features

The platform gives complete manuscript feedback  within 15 minutes[34] and explores multiple aspects of your writing. Marlowe's analysis has:

·       Plot structure and narrative arcs

·       Character traits and development

·       Pacing visualization

·       Dialog-to-narrative ratios

·       Subject matter analysis

·       Reading level assessment

·       Cliché identification

·       Punctuation patterns [1]

We focused on long-form fiction, and Marlowe needs manuscripts with at least 20,000 words [34]. The system's classical AI approach will give a private environment for your work since it doesn't use manuscripts for training or content generation [34].

Marlowe Genre Expertise

Marlowe reads all fictional genres and subgenres, unlike traditional editing tools, and provides unbiased feedback whatever the content style [34]. The platform excels at identifying narrative beats, which it defines as story turning points where conflict emerges or resolves [5].

Marlowe analyzes your manuscript against successful books in similar genres through its database of published novels [35]. The platform's subject matter analysis identifies up to ten main topics in your narrative and estimates the percentage of text devoted to each [5].

Marlowe Service Costs

The platform's flexible pricing options suit different writing needs. The Basic Plan stays free and has a 16-page analysis covering readability scores, clichés, dialog percentages, and potential misspellings [36]. The Pro Plan costs  and has two complete reports each month USD 29.95 monthly[36].

Single Pro reports cost USD 45.00 for occasional users [36]. The Pro subscription's value shows in unused report credits that roll over to the following month [36]. The Pro version ended up giving useful insights into character traits, plot arcs, and narrative structure, with comparisons to bestselling novels in your genre [34].

Comparison Table

Tool Name Main Goal Key Features Simple Pricing Notable Capabilities OpenAI GPT-4 Advanced AI Writing Partner - Character Development
- Plot Structuring
- World-Building ChatGPT Plus subscription - 32,000 token processing
- 82% lower disallowed content
- Better context retention Scrivener + AI Writing Environment with AI Integration - Live editing suggestions
- Grammar checking
- Style analysis Not mentioned - ProWritingAid integration
- Grammarly compatibility
- Focus Mode Plottr AI Story Structure Assistant - 30+ plot templates
- Character development frameworks
- Brainstorming assistance $60/year - Myers-Briggs integration
- Secure API connections
- Multiple device support AutoCrit Manuscript Analysis - 20+ interactive reports
- Genre-specific analysis
- Story structure evaluation $30/month - Comparison with bestsellers
- 33 editing reports
- Genre-specific guidance Reedsy AI Editor Professional Publishing Tool - Automatic formatting
- Shared editing
- Citation management Free simple version - ePub/PDF generation
- Industry-standard typesetting
- Live collaboration StoryAI Creative Inspiration Generator - Interactive storytelling
- Character profiling
- Multi-genre support 50 stories/month (Personal) - 10 different genres
- Live collaboration
- Commercial usage rights DeepStory Deep Learning Fiction Assistant - Script generation
- Story development
- PDF import €12.99/month - 10M+ text generations
- Oscar-winning sample scripts
- Multi-genre support WordAI Content Improvement Tool - Sentence restructuring
- Grammar correction
- LSI optimization $17/month - 50,000 rewrite words
- HTML support
- API integration Novel Factory AI Complete Writing System - 15-stage roadmap
- Plot Manager
- Character questionnaires $7.50/month - Subplot management
- Version control
- Progress tracking Marlowe AI Professional Manuscript Analysis - Plot structure analysis
- Character analysis
- Pacing visualization Free simple version - 15-minute analysis
- 20,000+ word requirement
- Genre-specific feedback Conclusion

 

AI writing tools are powerful assistants that help improve your fiction writing process. They don't replace human creativity but work as smart helpers to refine plots, develop characters, and polish manuscripts.

Each tool shines in different areas, and you can build a complete writing toolkit by combining several solutions. Reedsy's simple editor and Marlowe's original analysis are great starting points that come free. Authors who need more can access advanced features through premium versions.

You should pick tools that align with your writing style and priorities. AutoCrit and Novel Factory AI give detailed feedback based on successful publishing patterns. GPT-4 and DeepStory help you push through creative blocks by providing interactive support.

These AI writing partners keep getting better and offer more sophisticated support for fiction authors. They are a great way to get more from your creative toolkit and help turn rough drafts into polished manuscripts while keeping your unique voice and storytelling style intact.

FAQs

Q1. What is the best AI tool for writing fiction in 2025? While there are many options, some top AI tools for fiction writing in 2025 include OpenAI GPT-4, Scrivener with AI integration, Plottr AI, AutoCrit, and Novel Factory AI. The best choice depends on your specific needs and writing style.

Q2. How can AI assist with character development in fiction writing? AI tools can help with character development by generating detailed character profiles, suggesting personality traits, creating backstories, and even simulating character dialogs. Platforms like StoryAI and Novel Factory AI offer specialized features for crafting complex, believable characters.

Q3. Are AI writing tools expensive for fiction authors? Pricing for AI writing tools varies widely. Some offer free basic versions or trials, while others have subscription models ranging from around $10 to $50 per month. Many tools provide tiered pricing to accommodate different needs and budgets.

Q4. Can AI tools help with editing and polishing a manuscript? Yes, several AI tools specialize in manuscript analysis and editing. For example, AutoCrit provides comprehensive feedback on pacing, dialog, and word choice, while Marlowe AI offers in-depth analysis of plot structure and character development within 15 minutes.

Q5. Do AI writing tools replace human creativity in fiction writing? No, AI writing tools are designed to enhance rather than replace human creativity. They serve as assistants that can help with brainstorming, overcoming writer's block, and refining your work, but the core storytelling and creative vision still come from the human author.

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