We have been storytelling since the dawn of human history, however; the tools we use for storytelling are changing. AI has been entering the lives of authors in this digital age to make it easy for them to write their books Had they discovered AI earlier, they would have had this sorted!
An AI book writing software can help you change the game, whether you are writing a scary thriller or simply an outline for a non-fiction guide.
In this article, I have covered the 6 top AI tools that cater to authors at various stages of their writing journey. We’ll also delve into free and paid options, helping you find the ideal AI book writer generator for your needs.
The 6 Best AI For Writing A Book In 2025
1. Squibler: AI Smart Writer for Story Development
Squibler is tailored for novelists and non-fiction authors. Its AI features include:
- Story generation: Generate chapters or entire outlines with just a few prompts.
- Character and scene development: Use templates and AI assistance to craft compelling story elements.
- Progress tracking: Manage word counts and chapter deadlines effortlessly.
Why it’s great: Squibler offers a free tier, making it one of the best free AI for writing a book.
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2. Jasper AI: Versatile and Intuitive
Jasper AI is known for its versatility. While not book-specific, its powerful language model can help:
- Draft engaging content quickly.
- Tailor writing style to match your voice.
- Create detailed outlines for long-form writing.
Best for: Authors looking for a multi-purpose tool that works well for both fiction and non-fiction.
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3. OpenAI’s GPT Models: Flexible and Creative
OpenAI’s GPT models are among the most advanced in AI. They excel at:
- Generating creative content for any genre.
- Crafting dialogue and descriptive passages.
- Adapting to your preferred style and tone.
For those seeking flexibility, GPT-based tools like ChatGPT or GPT-4 can be effective AI book writer generators.
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4. Writesonic: Accessible AI Writing
Writesonic balances power with ease of use. It’s ideal for:
- Generating blog posts, books, and even scripts.
- Offering templates for various writing formats.
- Supporting free trials, making it a great option for budget-conscious writers.
Why it’s great: Writesonic’s affordability and simplicity appeal to authors looking for AI book writer free no sign-up options.
5. GrammarlyGO: Your AI Writing Assistant
GrammarlyGO takes the editing prowess of Grammarly and adds content generation features. It helps with:
- Revising drafts to improve tone and clarity.
- Suggesting alternative phrasing for better readability.
- Generating content tailored to non-fiction needs.
For authors focusing on non-fiction, it’s one of the best AI for writing non-fiction books.
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6. AI Summarizer: Simplify and Refine Book Writing
AI Summarizer is a multi-functional AI tool, ideal for authors. Its capabilities include:
- Story Generation: Quickly draft compelling narratives to include in the book.
- Improve Quality: Rephrase sections of your book for clarity or creativity.
- Summarization: Create concise summaries of chapters or scenes to maintain a clear story structure.
Why it stands out: Its ease of use and focus on refining content make it a valuable companion for book writing.
AI-Powered Writing: The Future of Book Creation is Here!
Writing a book is no easy task, but with the right AI tools, it can be faster, more efficient, and incredibly precise. However, not all AI writing tools are created equal—choosing the wrong one can leave you frustrated, with subpar content that doesn’t reflect your vision.
At Estorytellers, we leverage advanced AI tools combined with human creativity to craft compelling, high-quality books that resonate with readers. Don’t settle for generic, uninspired writing—choose a service that combines the power of AI with the expertise of seasoned writers.
Why DIY AI Book Writing Could Lead to Disappointment
Inconsistent quality – AI lacks the ability to produce coherent, engaging storytelling consistently.
Limited customization – Many AI tools churn out basic content with no personal touch.
Wasted time – While AI can speed up writing, improper usage can lead to poor-quality drafts that require heavy editing.
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At Estorytellers, We Make AI Work for YOU
Custom AI Writing – Tools tailored to your book’s genre and style
Human Editing – We ensure every draft is polished and reads like a masterpiece
Time-Saving Efficiency – Get a first draft faster without compromising on quality.
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Why Use AI for Writing a Book?
AI writing tools offer more than just convenience—they’re creative partners. These tools help authors:
- Overcome writer’s block.
- Generate plot ideas and outlines.
- Edit drafts for clarity and coherence.
- Enhance productivity with structured workflows.
By combining human creativity with the precision of AI, authors can bring their stories to life faster and more effectively.
AI Can Write. But Only We Can Captivate.
Tools can generate words, but they can’t feel emotions. Estorytellers blends emotion, experience, and engagement to turn your ideas into unforgettable books that truly connect.
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Free AI Tools for Book Writing
For those on a budget, free AI tools can still deliver impressive results. Some of the best free AI for writing a book include:
- Squibler (limited free tier): Great for starting out.
- OpenAI’s GPT Playground: Free to experiment with prompts.
- Writesonic: Offers free credits for initial use.
These tools provide accessible options without the commitment of paid plans.
Parting Thoughts
Like being your co-author on a creative journey—from brainstorming plot twists to polishing final drafts—the best AI for writing a book has everything a budding novelist could ask for. Whether you’re crafting your first novel or dreaming of joining the ranks of the Best Seller Books 2025, these tools can guide you every step of the way.
And if you’re more of a reader than a writer, there’s inspiration too—dive into some of the Best Seller Books to see what’s captivating readers this year. Who knows? Your next favorite story—or the spark for your own—might be waiting within those pages.
Remember, while AI can help enhance your storytelling, the soul of the story is always yours. Use these tools to amplify your creativity and let your imagination shine. Happy writing (or reading)!
FAQs About AI Book Writing
1. What is the best AI to write books?
The best AI depends on your needs. For structured writing, Squibler shines. For creative flexibility, OpenAI’s GPT models lead the pack.
2. Can you legally write a book with AI?
Yes, but authors should clarify copyright laws in their region. Most AI-generated content belongs to the person inputting the commands.
3. Can I use AI to write a book for free?
Yes, many tools like Squibler and Writesonic offer free plans. However, premium features may require payment.
4. Which is the best AI for writers?
For fiction, Squibler and Jasper AI are top choices. For non-fiction, GrammarlyGO excels in refining and generating content.
Also read:
5 Best Books On Creative Writing That Stirs Your Creativity
The 5 Best Books On Writing Fiction To Learn From The Experts
