BookBench sets the standard for ranking the best AIs for writing books

BookBench™: Ranking the Best AI for Writing Books

Choosing the right AI to help write a book just got easier. BookBench™, launched by Bruno Editore, is the first independent benchmark that evaluates artificial intelligences specifically for book writing. Created by Giacomo Bruno—an author and publisher with deep experience—BookBench™ offers transparent, replicable tests and clear editorial criteria, all openly available with rankings and demonstration videos.

This benchmark covers the entire publishing process, from crafting titles and summaries to assessing readability, style, and producing full chapters and books. Each stage is scored with objective measures and a final editorial evaluation.

Why BookBench™ Matters for Writers

Writers and publishers often face the challenge of choosing the best AI tool among many options. BookBench™ takes opinions out of the equation by applying consistent rules and comparable evaluations. The goal is to help creators pick the right AI based on quality, cost, speed, and reliability over time.

Giacomo Bruno explains, “We measure real performance: maximum input load, output capacity, context stability, and editorial quality. This kind of transparency was missing for those who work with books.”

The 10 Parameters BookBench™ Uses to Evaluate AI

• Title: Originality, impact, and ability to create captivating titles
• Summary: Clarity and accuracy in outlining content
• Style: Quality of form, formatting, and text fluidity
• Content: Emotional engagement and narrative strength
• Length: Meeting specified word limits
• Readability: Ease of understanding measured by the Gulpease index
• Humanity: Originality and how undetectable the AI-generated content is
• Chapter: Ability to write a complete 10,000-word chapter
• Book: Ability to produce a full 40,000-word book
• Token: Input/output management and context consistency

Unlike other benchmarks, BookBench™ also measures how many words can be loaded into prompts and how many words the AI can produce. This real-world data is crucial for anyone aiming to write complete chapters or entire books with AI assistance.

About Giacomo Bruno and Bruno Editore

Giacomo Bruno, born in Rome in 1977, is an electronic engineer who introduced ebooks to Italy in 2002—years ahead of major players like Amazon. He’s the author of 35 bestselling books and has published over 1,200 titles, reaching millions of readers. He is recognized as a leading authority on AI in publishing and created BookBench™ to bring clarity and transparency to AI tools for writing.

For writers exploring AI tools, BookBench™ provides a valuable, data-driven resource to guide your choice and improve your publishing workflow.

Learn more and view the full benchmark at BookBench™ official site.