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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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AIStoryBuilders
✓ verifiedFreemium
Novel-writing app that grounds AI generation in a story database of characters, locations and timelines.
1.8K visits/mo15K saves
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NovelAI
✓ verifiedPaid
Subscription suite for generating anime-style AI art and AI-assisted stories, aimed at writers and AI artists.
4.0M visits/mo
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Muse by Sudowrite
✓ verifiedFree trial
AI writing partner built specifically for fiction, offering tools to draft, describe, expand, and rewrite scenes in a writer's own voice.
1.2M visits/mo42K saves
Pricing
Free software (pay OpenAI API directly, ~$1-5/mo)
Tablet: $10/mo
Scroll: $15/mo (unlimited image generation)
Opus: $25/mo (10,000 bonus Anlas)
Free trial available
No public pricing
Free trial available
Core features
- ✦Story database of characters, locations, timelines
- ✦AI continue/rewrite/describe with story context
- ✦Configurable writing styles
- ✦Manuscript import
- ✦Uses your own OpenAI API key
- ✦Web and Windows desktop versions
- ✦Anime-focused AI image generator
- ✦Image2Image, inpainting and enhancement
- ✦Vibe Transfer for borrowing image aesthetics
- ✦Multi-character prompting
- ✦AI writing assistant
- ✦Adjustable samplers and advanced settings
- ✦Story Bible for outlining and drafting full novels
- ✦Write tool for style-matched prose continuation
- ✦Describe for scene and sensory detail generation
- ✦Expand for pacing/scene lengthening
- ✦Rewrite for targeted revision
- ✦Feedback tool that reviews drafts for improvement areas
- ✦Canvas for visual plot/character/theme planning
Use cases
- →Writing novels faster
- →Beating writer's block
- →Keeping long/complex plots consistent
- →Rewriting and expanding drafts
- →Generating anime characters and artwork
- →Editing and refining AI images
- →Writing and continuing stories with AI
- →Experimenting with prompts and styles
- →Overcoming writer's block on a novel or short story
- →Planning and outlining a book from idea to chapters
- →Getting AI feedback on drafts before submitting to editors
- →Expanding thin scenes to improve pacing
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