- AI writing tools for writers at a glance
- Ten AI tools writers use
- Matching a tool to the kind of writing you do
- Who owns the words when AI helped write them
- Writing partner, editor or analyst?
- What to ask before you trust a writing tool
- Signs a draft needs an AI second pair of eyes
- My advice for writers choosing AI tools
- Frequently asked questions
The best AI tools for writers help with the parts of writing that slow you down: planning, drafting, rewriting stuck sentences and getting honest feedback on a draft. Some write alongside you, some only analyse what you've written, and a few do both. Ten options follow in no particular order.
Every writer has a different sticking point. For one it's the blank page, for another it's the saggy middle of chapter twelve, and for a copywriter it's the sentence that won't get shorter.
The ten tools below cover those moments, from fiction-first partners to everyday editors. They're listed alphabetically and in no particular order, and every description comes from the vendor's own website, read this week. If you write for a living, my marketing tips for writers cover the other half of the job.
AI writing tools for writers at a glance
I checked the free plan column on each tool's own website, as of Oct 2026. Yes means the site names a free plan, a free version, a free account or a free way to start. Trial only means a time-limited trial. Not stated means the pages I read named neither, even where there's a button inviting you to try it, so check the vendor's page before you sign up.
| Tool | Type | Good for | Free plan |
|---|---|---|---|
| AutoCrit | Manuscript editing software | Line edits and story analysis for novels | Not stated |
| Fictionary | Story editing software | Structural edits with an AI instructor | Trial only |
| Grammarly | AI writing assistant | Grammar, clarity and tone everywhere | Yes |
| Hemingway Editor | Readability editor | Making dense prose clear | Trial only |
| LivingWriter | Writing app for authors and screenwriters | Planning books and scripts with optional AI | Yes |
| Marlowe | Analytical AI for fiction | Developmental feedback, not generated prose | Not stated |
| Novelcrafter | Novel writing software | Story bibles for long series | Trial only |
| Sudowrite | AI writing partner for fiction | Brainstorming and drafting fiction | Not stated |
| Type.ai | Book writer and editor | Drafting and chatting in one document | Yes |
| Wordtune | AI rewriting tool | Rephrasing lines you're stuck on | Yes |
Ten AI tools writers use
AutoCrit
Best for: Novelists who want manuscript feedback, a story analyser and genre-aware editing tools in one online membership.
Fictionary
Best for: Fiction writers who want their story arc visualised and feedback from an AI writing instructor before paying for a human edit.
Grammarly
Best for: Writers of every kind who want grammar, clarity and tone suggestions wherever they type, plus an AI chat and an AI detector.
Hemingway Editor
Best for: Copywriters and bloggers who want hard-to-read sentences highlighted, grammar checked and tone adjusted, with a two-week trial of the Plus plan.
LivingWriter
Best for: Authors and screenwriters who want plot boards, templates and drafting in one app, with optional context-aware AI help for the manuscript.
Marlowe
Best for: Novelists who want expert-level feedback on plot, pacing and characters from an AI that reads the manuscript rather than writing it.
Novelcrafter
Best for: Series writers who want a codex that tracks characters, locations and story progress as they write, with a 21-day free trial.
Sudowrite
Best for: Fiction authors who want a non-judgemental AI partner for brainstorming, drafting and reworking scenes without leaving the manuscript.
Type.ai
Best for: Long-form writers who want their draft and an AI assistant in the same editor, with saved characters and settings for specific suggestions.
Wordtune
Best for: Busy writers who know what they mean but can't find the words, with help to paraphrase, rewrite, summarise and fix grammar.
Matching a tool to the kind of writing you do
- Drafting fiction with an AI partner: Sudowrite or Novelcrafter.
- Feedback without generated prose: Marlowe or Fictionary.
- Line edits on a finished manuscript: AutoCrit.
- Plotting books and scripts: LivingWriter.
- Long documents with AI in the editor: Type.ai.
- Clearer, shorter copy: Hemingway Editor.
- Everyday grammar and rephrasing: Grammarly or Wordtune.
Who owns the words when AI helped write them
The U.S. Copyright Office's registration guidance for works containing AI-generated material says applicants have a duty to disclose the inclusion of AI-generated content in a work submitted for registration, and to give a brief explanation of the human author's contributions to the work.
Want AI doing the heavy lifting in your marketing?
I build the systems that handle the boring 80 percent, so you get your week back. Done properly, with the human kept in.
In plain terms, the parts you wrote are yours to register and the parts a machine produced need flagging. That's a good reason to keep drafts and notes as you go, and to use AI for brainstorming and editing rather than whole passages you'd struggle to separate later.
Writing partner, editor or analyst?
Writing partners generate text with you: they suggest the next line, expand a scene or offer five versions of a sentence. They're fast, and they need a firm hand on voice.
Editors work on what you've already written, tightening sentences, fixing grammar and flagging anything hard to read. They're the safest place for most writers to start.
Analysts read the whole manuscript and report back on pacing, structure and character without writing a word for you. Novelists who are protective of their prose tend to like them best.
What to ask before you trust a writing tool
- Does it keep your manuscript private, or train on it?
- Can it hold a whole book in view, or only a chapter?
- Will it keep your voice, or flatten it into the same tone?
- Can you export clean files when you're done?
- Does it work offline or only in the browser?
- How easy is it to switch the AI off when you want to write alone?
Signs a draft needs an AI second pair of eyes
- Beta readers say the middle drags. Run a pacing analysis.
- You rewrite one paragraph ten times. Try a rephrasing tool.
- Characters blur together. Keep a story bible.
- Sentences run on and on. Use a readability editor.
Do you make AI tools for writers? Tool makers can ask to be considered for a featured place on this list.
My advice for writers choosing AI tools
Use AI where you're weakest, not where you're strongest. If dialogue flows but structure doesn't, an analyst will help more than a drafting partner. If the ideas come easily but the sentences don't, an editor is the better buy.
Whatever you pick, read the final draft aloud yourself. And if you're comparing paraphrasing tools for content work, my look at paraphraser tools for content writers covers that corner of the market.
Frequently asked questions
Can AI write a whole book?
It can produce a lot of text, but a book still needs a human's ideas, structure and voice. Most writers get better results using AI for brainstorming, feedback and editing.
Can I copyright a book written with AI?
In the US, the Copyright Office says you must disclose AI-generated content when you register and explain your own contribution. The human-written parts can be protected.
Which AI tools are best for fiction writers?
Look for tools built around stories, with codexes, story bibles or manuscript analysis, rather than general business writing assistants.
Will publishers know I used AI?
Some publishers and contests now ask about AI use. Check their submission rules and keep notes on how you used any tool.
Are there free AI tools for writers?
Yes. Some tools here name a free plan or a free way to start. The free plan column above shows what each site said when I checked.
Do AI writing tools keep my work private?
It varies. Read each tool's privacy terms on whether your drafts are stored or used for training before you paste in unpublished work.
