Best AI tools for fiction
6 tools in the Writing category, filtered to fiction.
Sudowrite
Writing · Multi-model (OpenAI / Anthropic via API)
8.2
Fiction-writing AI with story bibles, brainstorming, and pacing tools.
Paid· Hobby & Student: $10 · Professional: $22 · Max: $44fictionnovels
NovelCrafter
Writing · Multi-model (BYO key: OpenAI, Anthropic, Gemini, Mistral, OpenRouter, Ollama)
8.0
Bring-your-own-key novel-writing workspace with a wiki-style codex and multi-model AI assistance.
Freemium· Basic: $10 · Pro: $20 · Enterprise: Contact salesnovel-writingworldbuilding
ProWritingAid
Writing · Multi-model (proprietary + LLM-assisted features)
8.0
AI-powered writing coach and manuscript editor built for fiction authors and long-form writers.
Freemium· Free: Free · Premium: €3000 · Premium Pro: €3600 · Lifetime Premium: €39900 · Lifetime Premium Pro: €69900fiction-editingmanuscript-analysis
AI Dungeon
Writing · Multi-model (rotating open-weights: Mixtral, Llama, Hermes variants)
6.9
AI-powered text adventure platform where the story is generated turn-by-turn by an LLM.
Freemium· Basic: $10 · Pro: $20 · Enterprise: $50interactive-fictionai-roleplay
Character.AI
Writing · Proprietary Character.AI models
6.8
Conversational roleplay platform with millions of user-created AI personas.
Freemium· Free tier; c.ai+ around $9.99/moroleplaycreative-writing
SillyTavern
Writing · Backend-agnostic — OpenAI, Anthropic Claude, Google Gemini, Mistral, OpenRouter, KoboldAI/KoboldCpp, Text-Generation-WebUI, Tabby, llama.cpp, NovelAI, AI Horde, any OpenAI-compatible endpoint
Locally installed power-user frontend for chatting with LLMs, image models, and TTS backends
Free· Free and open source (AGPL-3.0). Users pay only for whichever backend they connect (OpenAI, Claude, local models via KoboldCpp/Ooba/Tabby, AI Horde, etc.).Character-driven AI roleplayLong-form collaborative fiction