Athens

Best NovelAI Alternatives for Fiction Writers in 2026

- Moritz Wallawitsch

NovelAI was one of the first AI writing tools built specifically for fiction. It launched with a clear pitch: fine-tuned models for creative writing, a Lorebook system for tracking characters and world details, and client-side encryption so your stories stay private. For a certain kind of fiction writer, it was exactly what they wanted.

Three years later, the landscape has changed. The underlying AI models have improved dramatically. Tools have gotten easier to use. And NovelAI's strengths have started to look like limitations.

What NovelAI Gets Right

NovelAI deserves credit for several things. The privacy model is genuine. Your stories are encrypted on your device before they reach the server. NovelAI cannot read your content. For writers working on sensitive material or unpublished manuscripts, this matters.

The Lorebook is a powerful concept. You define characters, locations, items, and lore. The AI references these entries as you write, keeping details consistent across a long manuscript. If your protagonist has green eyes in chapter one, the AI knows that in chapter twenty.

The Kayra model is fine-tuned specifically for fiction. It handles narrative prose, dialogue, and genre conventions better than a generic model would out of the box. NovelAI also has no content restrictions, which matters to writers working in darker genres.

Pricing runs $10/month for Tablet, $15/month for Scroll, and $25/month for Opus. The Opus tier unlocks the best model and unlimited text generation.

Where NovelAI Falls Short

The problems are real and they compound over time.

Prose quality has plateaued. When NovelAI launched, Kayra was competitive with the best available models. That is no longer true. GPT-4, Claude, and other frontier models produce significantly better prose. More varied vocabulary. More natural dialogue. Better understanding of subtext, pacing, and emotional beats. NovelAI's output feels repetitive and generic by comparison. Writers report the same phrases and sentence structures appearing across different stories and genres.

The learning curve is steep. To get decent output from NovelAI, you need to understand temperature, repetition penalty, CFG scale, top-k sampling, and tail-free sampling. You need to write detailed Lorebook entries with proper activation keys. You need to craft author's notes and memory entries that steer the AI without overriding your story. Most writers want to write fiction, not tune machine learning parameters.

It is almost entirely a fiction tool. If you write anything beyond fiction - blog posts, essays, articles, research - NovelAI has nothing for you. There are no document management features, no collaboration tools, no export pipeline for publishing. You get a text editor and an AI autocomplete. That is it.

Image generation is anime-only. NovelAI includes an image generator, but it is trained exclusively on anime-style art. If you want realistic character portraits or non-anime cover art, you need a separate tool.

No collaboration or publishing workflow. There is no way to share a document with a co-author or editor. No comments. No version history beyond undo. No export to standard publishing formats. For writers who work with beta readers or editors, this is a dealbreaker.

The Best NovelAI Alternatives

  1. Athens
  • Best for Fiction and Non-Fiction Writers

Athens is a writing tool with AI editing built directly into the editor. It works for fiction and non-fiction equally well. When the AI suggests changes to your prose, you see exactly what it proposes: green highlights for additions, red strikethrough for deletions. Accept or reject each edit individually. Your voice stays yours because you control every change.

The workflow is fundamentally different from NovelAI. Instead of tuning parameters and hoping for good autocomplete, you write your prose and then ask the AI to improve specific passages. Highlight a paragraph of dialogue and ask it to make the voices more distinct. Select an action scene and ask it to tighten the pacing. The AI edits your text inline and you see a precise diff of every change.

Athens uses frontier models (GPT-4, Claude) under the hood. The prose quality is significantly better than Kayra. You do not need to understand temperature or CFG scale. You write in plain language what you want changed, and the AI handles the rest.

Other things that matter: Athens imports Google Docs with comments preserved, supports.docx and.epub import, includes web search for research while writing, and lets you upload reference files the AI can draw from. If you keep world-building notes in separate documents, you can attach them as context.

Athens costs $99/year with no credit limits. No per-interaction charges. Use the AI as much as you need.

Best for: Writers who want AI editing they can see and control. Writers who work across fiction and non-fiction. Writers who are tired of parameter tweaking.

2. Sudowrite - Best Guided Fiction Experience

Sudowrite is the closest direct alternative to NovelAI in terms of audience. It is built for fiction writers. But the approach is different. Where NovelAI gives you a sandbox and expects you to configure everything yourself, Sudowrite provides guided workflows.

The Story Engine walks you through novel creation step by step: outline, beats, prose. The Describe tool generates sensory details for scenes. The Story Bible tracks characters and locations. The Expand feature takes a short passage and develops it into a longer scene.

Sudowrite uses GPT-4 and Claude under the hood, so the prose quality is better than NovelAI's Kayra model. The trade-off is less control. You cannot tune generation parameters the way you can in NovelAI. The AI follows Sudowrite's prompting rather than yours. For writers who liked NovelAI's sandbox freedom, Sudowrite can feel constraining. For writers who found NovelAI's learning curve exhausting, Sudowrite is a relief.

Pricing is credit-based: $10/month for Hobby (225,000 credits), $22/month for Professional (1 million credits), $44/month for Max (2 million credits). Credits are consumed by every AI action.

Best for: Fiction writers who want a guided workflow and better prose quality than NovelAI, and who are willing to give up parameter control.

3. ChatGPT / Claude - Best Raw AI for Brainstorming and Prose

The best AI prose in 2026 comes from ChatGPT and Claude, not from any specialized fiction tool. Claude in particular produces natural-sounding creative writing with strong dialogue, varied sentence structure, and genuine emotional depth. GPT-4o handles worldbuilding, character development, and plot analysis exceptionally well.

Many NovelAI users already use ChatGPT or Claude for brainstorming and then switch to NovelAI for drafting. The question is whether the drafting step adds enough value to justify the extra tool and its learning curve.

The limitation is obvious: there is no editor. You work in a chat window. Every passage you want to keep goes into a separate document via copy-paste. You cannot highlight a paragraph in your manuscript and ask the AI to rework it in place. For brainstorming, character development, and working through plot problems, ChatGPT and Claude are unbeatable. For sustained drafting and revision, the chat interface gets in the way.

Both cost $20/month with free tiers available.

Best for: Brainstorming, worldbuilding, and character development. Pair with a dedicated writing tool for the actual drafting.

4. Scrivener - Best Organizational Tools, No AI

Scrivener is not an AI tool. It is the gold standard for organizing long-form writing projects. If your frustration with NovelAI is less about the AI and more about the lack of document management, Scrivener solves that problem completely.

The binder lets you break a novel into scenes and chapters that you can rearrange by dragging. The corkboard view shows each scene as an index card. The inspector panel holds notes, metadata, and snapshots of previous versions. Research materials - images, PDFs, web pages - live alongside your manuscript. Compile exports to.epub,.docx, PDF, and other formats with fine-grained control over formatting.

Scrivener costs $49 as a one-time purchase. No subscription. No monthly fee. You own it. It runs on Mac, Windows, and iOS. It has been the default tool for serious novelists for over a decade.

The trade-off is zero AI. You get excellent tools for organizing and writing, but no AI assistance at all. If you want both, pair Scrivener with ChatGPT or Claude for the AI side.

Best for: Novelists who need strong organizational tools and do not need AI baked into their editor.

5. Notion AI - Good for Worldbuilding, Bad for Prose

Notion works well as a worldbuilding tool. Its database feature lets you create structured entries for characters, locations, magic systems, and plot threads. Link entries together with relations. Filter and sort by any property. If you want a Lorebook equivalent with more flexibility than NovelAI's, Notion's databases come close.

Notion AI can summarize your worldbuilding notes, generate character descriptions from your database entries, and help outline plot structures. For the organizational and planning phase of fiction writing, it works.

It falls apart for actual prose. Notion's block-based editor treats every paragraph as a separate unit. Writing and editing long passages feels awkward. The AI rewrites entire blocks without showing you what changed. There is no diff view. You cannot accept or reject specific edits. For worldbuilding, use Notion. For writing the actual novel, use something else.

Pricing: Notion AI is $10/month on top of your Notion plan.

Best for: Worldbuilding and project organization. Not for drafting or editing prose.

6. Obsidian - Free Lorebook Alternative with AI Plugins

Obsidian is a free note-taking app built on local markdown files. Its killer feature for fiction writers is bidirectional linking. Create a note for each character, location, and plot point. Link them together. The graph view shows how everything connects. This is essentially a Lorebook built from linked notes, with more flexibility than NovelAI's structured entries.

Obsidian has no built-in AI, but the plugin ecosystem fills the gap. The Smart Connections plugin finds related notes using AI embeddings. Community plugins connect to ChatGPT and Claude for in-editor AI assistance. The Copilot plugin adds autocomplete-style generation. None of these match a purpose-built AI writing tool, but for writers who prefer to assemble their own workflow, the pieces are there.

Everything is stored as local markdown files. No cloud dependency. No subscription for the core app. Your notes are yours, in a format that will outlast any particular tool.

Pricing: Free for personal use. Sync is $4/month if you want it.

Best for: Writers who want a free, extensible tool for worldbuilding and note-taking, with optional AI through plugins.

Which Alternative Should You Pick?

It depends on what you need most.

  • Better prose quality with visible edits: Athens. AI editing you can see and control. Works for fiction and everything else. $99/year.
  • Guided fiction workflow: Sudowrite. Story Engine walks you through novel creation. Better AI than NovelAI. Credit-based pricing from $10/month.
  • Best raw AI: ChatGPT or Claude at $20/month. Use for brainstorming and worldbuilding, pair with a separate editor for drafting.
  • Best organization: Scrivener at $49 one-time. No AI, but the best tools for structuring a novel.
  • Free worldbuilding: Obsidian. Build a Lorebook equivalent with linked notes. Add AI through plugins.

NovelAI pioneered the idea of AI fiction writing. It proved there was demand. But the tools that followed have better AI, easier workflows, and broader capabilities. If you have been spending more time tweaking parameters than writing prose, it might be time to switch.

Athens is a writing tool with AI editing built in. Write your prose, then let the AI suggest improvements you can see and control. Try it free.