What is the best AI for writing a book?

BookBench™ is the 1° benchmark to rate AI models on 10 criteria, from titles to a full 40,000-word book

BookBench™ AI Ranking

BookBench™ - Detailed Results Table

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AI Total Title Summary Style Content Length Readability Humanity Chapter FullBook Token
  • Title: Originality, impact, and effectiveness in creating catchy titles
  • Summary: Clarity and accuracy in mapping content
  • Style: Quality of form, formatting, and fluency of text
  • Content: Emotional engagement and narrative quality
  • Length: Ability to meet required word limits
  • Readability: Ease of understanding and fluency of text with Gulpease index
  • Humanity: Checks for originality and undetectability of content AI
  • Chapter: Ability to write a full 10,000-word chapter
  • FullBook: Ability to produce a full 40,000-word book
  • Token: Input/output management and context consistency

BookBench™ - Tested Technical Specifications

Last BookBench™ Test

About BookBench™

What is BookBench™?

Discover in 3 minutes the methodology behind BookBench™ evaluation algorithms.

Who is Giacomo Bruno, the creator of BookBench™?

Giacomo Bruno is the founder of Bruno Editore and is known as the "father of ebooks" for bringing ebooks to Italy in 2002. He is the author of 35 books, publisher of over 1,200 authors, and has served more than 2,500,000 customers. He was among the first to apply AI to book writing as early as 2021.

He created BookBench™ to provide an independent and transparent benchmark of AIs for writing and publishing, with reproducible tests and editorial evaluation.

Goal: to help authors, publishers and professionals choose effective tools for writing, save time, and make decisions based on concrete data.

Disclaimer

BookBench™ is an independent project curated and conceived by Giacomo Bruno for Bruno Editore. The tests are performed manually using the same prompts and initial conditions for all models; the outputs are evaluated with software and manually based on the author's editorial experience.

BookBench is not affiliated with or sponsored by any of the companies or products mentioned; trademarks and logos are the property of their respective owners. The content is for informational purposes only and does not constitute technical, legal, or commercial advice. For contact or to report issues, please contact us by email.