image showcasing ChatGPT as a friendly robot assisting in the book-writing process, surrounded by the tools and inspirations of a writer's workshop.

How to Write a Book Using ChatGPT & LLMs (Tips & Process)

Before diving into using ChatGPT or any Large Language Models (LLMs) to write a book, it’s essential to understand that while AI can significantly aid the process, it doesn’t replace the need for a solid understanding of the subject matter or creative input.

Jason, an experienced author with over 12 books published, emphasizes the need for authors to guide the AI, validate its output, and ensure that the final product aligns with their vision and style.

Choosing the Right AI Model

For writing a book, especially in the realm of non-fiction, it’s crucial to select the right AI version.

While GPT-3.5 might suffice for beginners, GPT-4 and better is recommended for its advanced capabilities, fewer errors, and higher quality output.

Each iteration of AI models offers different features and capacities, so choosing the one that suits your project’s scale and quality requirement is essential.

The Fractal Method of Writing

The fractal method is a progressive approach to writing a book using ChatGPT or any LLM.

It involves starting with a core concept and gradually expanding it through various stages:

  1. Concept: Begin with a basic idea or theme for your book.
  2. Synopsis: Expand your concept into a detailed synopsis, outlining the main plot or themes.
  3. Outline: Develop a more comprehensive outline, breaking down the story or content into chapters or sections.
  4. Story Beats: For fiction, further break down the outline into story beats or detailed actions within each chapter.
  5. Writing: Proceed to write the full prose, expanding on each beat or chapter summary.

Interjecting Human Input

While AI can assist at every stage, from concept to writing, it’s crucial to interject your human input, creativity, and expertise.

Ensure that each AI-generated piece aligns with your vision and the book’s intended tone and style.

Regularly review and validate the AI’s work to maintain direction and quality.

Specificity and Validation

Be specific in your prompts and instructions to the AI.

The more detailed and clear you are, the better the AI can generate relevant content.

After each AI-generated section, validate for accuracy, relevance, and alignment with the overall book.

This step is particularly crucial in non-fiction to ensure factual correctness.

Using AI for Non-Fiction

When writing non-fiction, the approach slightly differs.

Consider using AI more for the grunt work or for generating structured content like lists, headings, and factual information.

However, for creative storytelling, personal anecdotes, or complex explanations, rely more on your expertise and writing.

Use AI as a tool to augment and streamline the process, not replace the need for in-depth knowledge and authentic voice.

Continuous Learning and Adapting

AI and writing tools are continually evolving. Keep learning and adapting to new features and capabilities.

Tools like DALL-E can even help in creating visual content like book covers, adding another layer of assistance.

However, always remember that the core of your book—its soul and message—should originate from you, the author.

Q&A – How to Write a Book Using ChatGPT & LLMs

What are the first steps to start writing a book using ChatGPT and LLMs?

The first step is to clearly define the concept and scope of your book.

This involves deciding on the genre, main theme, and overall message.

Once the concept is established, use ChatGPT to help brainstorm ideas, create a detailed outline, and break down the content into manageable sections or chapters.

Set clear goals for each writing session with ChatGPT, and provide detailed prompts to guide the AI in generating content that aligns with your vision.

How can I ensure that the content generated by ChatGPT aligns with my book’s theme and style?

To ensure content alignment, provide ChatGPT with a detailed description of your book’s theme and style, including tone, voice, and key messaging.

Use specific and structured prompts and continuously refine them based on the output.

Regularly review and revise the generated content to ensure it stays on track.

Incorporate examples of writing that exemplifies your desired style and provide feedback to the model about what aligns with your expectations.

What are the differences between using GPT-3.5 and GPT-4 for book writing?

GPT-4 is generally more advanced than GPT-3.5, offering improved understanding, coherence, and context retention.

This means GPT-4 can produce higher quality content, maintain consistency over longer stretches of text, and better adhere to nuanced instructions.

GPT-4 is also less prone to making factual errors, which is particularly important for non-fiction writing.

However, GPT-3.5 can still be a useful and cost-effective option for generating creative ideas and initial drafts.

How can I use ChatGPT to develop characters and plot for my novel?

ChatGPT can assist in character development by generating detailed character profiles, backstories, and potential character arcs.

Provide it with basic information about your character, and ask for expansions on their personality, motivations, and relationships.

For plotting, feed it a basic storyline or a set of plot points, and ask for elaboration, twists, or scene ideas.

Continuously refine the input based on the output to develop a more complex and engaging plot.

Can I use ChatGPT to write non-fiction books as well as fiction?

Yes, ChatGPT can assist in writing both fiction and non-fiction books.

For non-fiction, it can help with researching, organizing content, creating detailed outlines, and even writing sections that require factual accuracy and structured presentation.

However, it’s crucial to fact-check and verify all information generated by ChatGPT, especially in non-fiction works, to ensure accuracy and reliability.

How do I edit and refine the content generated by ChatGPT for my book?

Edit and refine content by first reviewing the generated text for alignment with your book’s tone, style, and factual accuracy.

Make necessary revisions to ensure coherence and flow.

Use ChatGPT as a collaborative tool by inputting revised sections back into the model for further enhancement or suggestions.

Consider employing a human editor for a final review to catch subtleties and nuances that AI might miss.

What are some common pitfalls to avoid when writing a book with ChatGPT and LLMs?

Common pitfalls include over-reliance on AI without sufficient personal input and validation, leading to generic or off-brand content.

Avoid accepting all AI-generated content without critical review, as it can include inaccuracies or inconsistencies.

Be wary of the AI’s tendency to “hallucinate” facts or narrative details.

Manage expectations about the model’s creative limitations and be prepared for extensive revision and fact-checking.

How do I incorporate my unique voice and style into a book written with the help of AI?

Incorporate your unique voice and style by providing the AI with examples of your writing or writings that inspire you.

Use these as a basis for generating content, and continuously fine-tune the prompts to align with your desired voice.

After generating content, personalize and edit the text, adding idiomatic expressions, personal anecdotes, or stylistic flourishes that reflect your unique authorial voice.

Can ChatGPT and LLMs help with formatting and structuring my book?

Yes, ChatGPT and LLMs can assist with formatting and structuring your book by generating content organized into chapters, sections, or bullet points.

Provide clear instructions on the desired structure, and use the output as a template for organizing your content.

While AI can help with the basic structure, you may need to manually adjust formatting details to meet specific publishing standards.

Are there legal or ethical considerations to be aware of when publishing a book written with the help of ChatGPT or LLMs?

When publishing a book written with the help of ChatGPT or LLMs, be mindful of copyright and plagiarism concerns.

Ensure that all content is original or properly attributed.

Be transparent about the use of AI in your writing process, especially if it significantly contributes to the content.

Additionally, consider the ethical implications of AI-generated content, such as the potential for reinforcing biases or inaccuracies.

Always use AI as a tool under your guidance, maintaining responsibility for the final product.


Writing a book with ChatGPT or any LLM involves a blend of AI efficiency and human creativity and expertise.

It’s a tool to make the writing process more efficient and less tedious, but it’s not a substitute for the genuine knowledge, creative storytelling, and stylistic choices that only a human author can provide.


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