Is it legal to train AI models on copyrighted books? It’s complicated
Authors are suing — but the courts haven't settled whether training AI on copyrighted books is fair use or theft.

Why it matters
A foundational legal question that will shape AI development and creator economics: whether AI labs can use copyrighted works without permission or compensation. The answer determines whether authors and publishers can extract licensing revenue from model training.
The key facts
8 to knowAuthors trained AI models without consent or knowledge
Legal status of copyrighted training data remains unsettled in courts
Question frames AI-creator livelihoods and IP compensation models
Fair-use doctrine vs. training-at-scale tension unresolved
Most published authors contributed to AI training datasets without knowledge or consent
Legal status of training on copyrighted books remains unresolved in courts
Direct impact on author livelihoods and future book publishing economics
Affects downstream AI model development practices and data sourcing
Go to the source
TechCrunch AItechcrunch.com
Publisher excerpt: Most published authors have, without their knowledge or consent, contributed to the development of the same AI tools that threaten to undermine their livelihoods. That seems illegal, right?