NovelAI vs AI Dungeon: one is a creator writing and art studio, the other an open-ended adventure sandbox. How they compare, plus a third option to play.
NovelAI is a studio for writing and art
AI Dungeon is an open-ended sandbox
Loreon is for playing a crafted story
NovelAI and AI Dungeon are often mentioned in the same breath, but they're built for different jobs. One is a creator's studio; the other is an open-ended adventure sandbox. Here's how they compare — and a third option if what you actually want is to play a crafted story.
At a glance
NovelAI is a subscription AI suite for creators: prose writing, anime image generation, and a text-adventure mode.
AI Dungeon is an open-ended AI text adventure where you type any action and the AI improvises.
If your goal is to make something (write prose, generate art), NovelAI leans your way. If your goal is freeform play, AI Dungeon leans yours.
Authored arcOpen-ended
NovelAIWriting studio
AI DungeonAdventure sandbox
LoreonCrafted stories
← You writeYou play →
Where each one sits: what you do, and how much story structure you get.
NovelAI: strengths
Writer-first control. You draft and steer prose with an AI co-author, with fine control over tone and direction.
More than text. It also generates anime-style images, which AI Dungeon doesn't focus on.
Adventure mode. A text-adventure mode exists on top of the writing tools.
The trade-offs: it's subscription-based (with only a limited free tier), and its tooling is optimized primarily for English, with some additional language support.
AI Dungeon: strengths
Total freedom. Type anything; the AI weaves it into the story. There's no fixed script.
Memory tools. Automatic summarization plus user-editable Story Cards help the AI remember key facts.
Cross-platform. Available on the web and mobile apps.
The trade-off: with maximum freedom, the structure and coherence of the story are largely up to you.
NovelAI
AI Dungeon
Loreon
Built for
Writing prose and making art
Open-ended roleplay
Playing a crafted story
Your input
You write, an AI co-authors
Type any action
Type any action or pick a suggestion
Memory
Lorebook you manage
Auto-summary plus Story Cards you edit
Automatic map, inventory, objectives
Story shape
Your draft, no set ending
No set arc; you decide when to stop
An arc with shaped endings
Pricing
Subscription, limited trial
Free tier plus subscriptions
Free daily actions plus subscription
Platforms
Browser
Browser, iOS, Android, Steam
Browser, Android
Which should you pick?
Choose NovelAI if you want to write or create with an AI assistant.
Choose AI Dungeon if you want an open-ended sandbox to roleplay in.
A third option: play a crafted story
If what you really want is to be inside a story — one with an arc, that remembers your choices, without building it yourself or paying upfront — that's a different category.
Loreon is a free-to-start AI interactive story app: curated, authored stories where you type any action in your own words, with built-in continuity systems that remember what you did, playable in your browser in English, Spanish, Ukrainian, Portuguese, Japanese, and Bengali. You can compare it directly with AI Dungeon or NovelAI.