Fastest way to write a book with AIFast way to write a BOOKAI book writing softwareSidekickWriter comparisonAI novel writing tools

Fastest Way to Write a Book with AI in 2026: The Ultimate Speed Guide

Looking for the fastest way to write a book with AI? Discover the 7-step workflow and top tools like SidekickWriter to finish your high-quality draft in record time.

7 min read

Fastest Way to Write a Book with AI in 2026: The Ultimate Speed Guide

Writing a book used to take years, or at least months of grueling effort. In 2026, the landscape has shifted entirely. With the rise of specialized artificial intelligence, the question isn't just about how to write, but what is the fastest way to write a book with AI without sacrificing the soul of your story.

Whether you are a fiction novelist looking to break through writer's block or a business professional needing to establish thought leadership, speed is your greatest asset. But speed without structure leads to a mess. In this guide, we compare the top AI book writing tools and reveal the workflow that allows authors to go from a blank page to a completed 50,000-word draft in as little as 12 to 24 hours of focused work.

In this guide you will learn

  1. Why the 7-step workflow is the secret to AI writing speed.
  2. How to maintain your unique "Writing Voice" while using AI.
  3. A feature-by-feature comparison of SidekickWriter vs. major competitors.
  4. Why character bibles and research citations are non-negotiable for quality.
  5. How to use free tools to kickstart your publishing journey.

1. The Core Difference: Automation vs. Co-Piloting

The "Push-Button" Trap

Many generic AI writers promise a "one-click book." While this is technically the fastest way to generate text, it is rarely the fastest way to write a good book. One-click books often lack continuity, have repetitive prose, and lose the thematic depth that readers crave.

The SidekickWriter Philosophy

SidekickWriter (sidekickwriter.com) operates on the principle of the "Intelligent Co-Pilot." By breaking the process into a structured 7-step workflow, it ensures the AI stays on track. You provide the creative direction; the AI provides the linguistic heavy lifting. This collaboration is the true fast way to write a BOOK that people actually want to read.

2. Feature Comparison: 2026 Top Tools

To find the fastest way to write a book with AI, you need to look at the features that prevent rework. Rework is the enemy of speed. If your AI forgets a character's eye color or hallucinates a fact, you spend hours fixing it. SidekickWriter is designed to eliminate these bottlenecks.

FeatureSudowriteNovelAIChatGPT/ClaudeSidekickWriter
7-Step Workflow❌ No❌ No❌ No✅ Yes
My Writing Voice⚠️ Limited⚠️ Limited⚠️ Manual✅ Yes
Character Bible✅ Yes✅ Yes⚠️ Manual✅ Yes
Team Collab❌ No❌ No❌ No✅ Yes (Share)
Citations❌ No❌ No❌ No✅ Yes
Sequel Creation⚠️ Limited⚠️ Limited❌ No✅ Yes
Public Sharing❌ No❌ No⚠️ Partial✅ Yes
Free Tools (21+)❌ No❌ No❌ No✅ Yes

3. What Competitors Are Best At

Sudowrite

Sudowrite shines when you want "sensory descriptions." It is excellent for expanding a single paragraph into a lush scene. It’s a great tool for pantsers (writers who fly by the seat of their pants) but can often struggle with long-term structural coherence without heavy manual intervention.

NovelAI

NovelAI is the darling of the privacy-focused community. It offers a unique storytelling experience where the AI mimics your style very closely. However, it lacks a dedicated book-building workflow, meaning you spend more time managing the AI than you do finishing chapters.

ChatGPT & Claude

These are the generalists. They are incredibly smart but have a "goldfish memory." Even with long context windows, they eventually lose the thread of a 300-page manuscript. To use them for a book, you have to manually copy-paste outlines and character sheets constantly, which is the opposite of a fast way to write a BOOK.

4. Why SidekickWriter is the Fastest

SidekickWriter wins the speed race because it is completion-focused. The platform doesn't just give you a chat box; it gives you a factory line for your creativity.

The 7-Step Workflow

  1. Main Idea: Use the AI to brainstorm or refine your core concept.
  2. Writing Style: Define your "My Writing Voice" so the prose sounds like you from page one.
  3. Character Development: Build a comprehensive character bible that the AI remembers.
  4. Outline Generation: Create a rock-solid, chapter-by-chapter structure.
  5. Chapter Descriptions: Tell the AI exactly what happens in each beat.
  6. Full Book Generation: Watch the chapters stream in real-time.
  7. Inline Editing & Export: Polish your draft and export to DOCX or EPUB instantly.

By following this structure, you eliminate the "What do I do next?" paralysis. The software guides you from start to finish.

5. Advanced Features for Professional Authors

Citations and Research

For non-fiction and academic writers, SidekickWriter is the only major tool that offers a built-in research engine. It searches the web and academic databases, fetches real sources, and generates citations (APA, MLA, etc.) automatically. This saves days of manual fact-checking.

Sequel Creation and Continuity

Using the "Import" feature, you can bring in your previous books. SidekickWriter’s AI, Penny, analyzes your previous work to ensure that sequels maintain the same tone, character arcs, and world-building rules.

6. How to Get Started for Free

You don't need a credit card to find the fastest way to write a book with AI. SidekickWriter offers over 21+ Free Writing Tools that require no signup:

  • Book Title Generator
  • Chapter Outline Generator
  • Character Name Generator
  • Writing Sprint Timer
  • ISBN Barcode Generator

These tools allow you to test the waters and see the power of the AI before committing to a full project.

Conclusion: Your Book, Finished This Week

The fastest way to write a book with AI isn't about finding the smartest model—it’s about finding the best workflow. SidekickWriter combines high-level creative control with the raw power of modern AI, allowing you to finish your draft faster than you ever thought possible.

Stop staring at the blinking cursor. Your story deserves to be told, and the tools to tell it are ready for you.

Ready to finish your book? Try SidekickWriter for free today.

Frequently Asked Questions

What is the fastest way to write a book with AI?

The fastest way is to use a structured 7-step workflow like the one found in SidekickWriter. By defining your idea, style, characters, and outline first, the AI can generate high-quality chapters without the need for constant corrections.

How long does it take to write a book using SidekickWriter?

Most users can go from a basic idea to a full first draft (50,000+ words) in about 12-24 hours of active work. The AI can generate a full chapter in minutes, allowing you to focus on editing and refining.

Is the AI-generated content truly my own?

Yes. When you use SidekickWriter, you maintain 100% intellectual property rights over your manuscripts. The AI acts as a co-pilot, but the creative decisions and final output belong to you.

Can SidekickWriter handle academic or non-fiction books?

Absolutely. Unlike many competitors, SidekickWriter has a built-in research engine that provides real citations and factual data, making it ideal for academic projects, business books, and self-help guides.

Does SidekickWriter support multiple languages?

Yes, SidekickWriter supports book generation in multiple languages and automatically adjusts its interface and prompts to match your preferred language.

Target Keyword: Fastest way to write a book with AI Estimated Read Time: 8 min Word Count: 1150