Monday, July 7, 2025

๐Ÿ” Anthropic's Claude Training Methods Revealed: Millions of Books Destroyed and Pirated Downloads

A recent ruling by Judge William Alsup in the Northern District of California has sent shockwaves through the AI industry. This copyright lawsuit has revealed shocking details about how Anthropic collected data to train their AI chatbot Claude, and the methods they used are quite disturbing.

๐Ÿ“š Anthropic Physically Destroyed Millions of Books

According to the judge's ruling, Anthropic invested "millions of dollars" to purchase used books in bulk. But here's the shocking part: how did they process these books? The company actually removed the bindings, cut out the pages, and scanned them into digital files. The judge described this process as "destructively scanned."

After digitization, the original books were discarded, with only the digital versions stored in the company's internal "research library." It's like scanning every book in a library and then throwing away the originals.

Reading this part gave me mixed feelings. On one hand, you could argue this was an inevitable process for AI development. On the other hand, it's disheartening to think that millions of books were physically destroyed. The unique value and meaning that books have as physical objects was completely lost.

๐Ÿด‍☠️ The Shocking Download of 7 Million Pirated Books

Even more shocking is the fact that Anthropic also used pirated books. According to the ruling, Anthropic co-founder Ben Mann downloaded at least 5 million pirated books from Library Genesis in 2021. A year later, in 2022, he downloaded an additional 2 million books from Pirate Library Mirror.

What's particularly noteworthy is that they were fully aware these materials were pirated. The judge quoted CEO Dario Amodei as saying that Anthropic preferred to "steal" books to avoid "legal/practical/business hassles."

This wasn't a simple mistake or ignorance—it was intentional and systematic copyright infringement. Library Genesis and Pirate Library Mirror are notorious piracy sites that distribute copyrighted books for free.

⚖️ Judge's Binary Ruling: Purchased Books Are Fair Use, Pirated Books Are Illegal

Judge Alsup made a very interesting binary ruling in this case.

Digitizing purchased books was deemed fair use. The judge explained that "Anthropic's large language models were trained not to copy or replace works, but to transform them in a completely different direction to create something else." He used the analogy of a reader who wants to become a writer reading other works.

He also ruled that replacing purchased print copies with more convenient, space-saving, and searchable digital copies didn't constitute adding new copies, creating new works, or redistributing existing copies.

However, using pirated materials was clearly illegal.He drew a clear line, stating "Anthropic had no right to use pirated copies for its central library" and "creating a permanent and universal library is not fair use that exempts Anthropic's piracy."

๐Ÿค” A New Turning Point in AI Copyright Debates

This ruling appears to be a significant turning point in AI copyright debates. Until now, there has been ongoing confusion between AI companies and creators due to the lack of clear legal standards.

AI companies have argued that their training methods constitute fair use, while creators have countered that this is clear copyright infringement. This ruling has provided an important benchmark in this debate.

The clear distinction between "transformative use of legally purchased materials" and "use of illegal copies" will likely serve as important precedent for similar cases in the future.

As we've seen with Disney recently suing AI image generator Midjourney for unauthorized use of famous characters from "Star Wars" to "The Simpsons," legal disputes surrounding AI and copyright continue to increase.

๐Ÿ’ญ Personal Thoughts: Balancing Technological Progress and Ethical Responsibility

This case has made me think deeply about the balance between AI technological advancement and ethical responsibility.

On one hand, considering the benefits AI technology could bring to humanity, some copyright limitations might be inevitable. After all, the fair use principle exists for situations like this.

On the other hand, creators' rights and fair compensation for their efforts should not be ignored. Intentionally using pirated materials is inexcusable and clearly wrong.

More importantly, transparency is crucial. The public couldn't know about Anthropic's data collection methods until they were revealed in court. AI companies should be more transparent about their training data collection practices.

๐Ÿ”ฎ Future Outlook and Implications

The impact of this ruling on the AI industry is expected to be significant.

First, AI companies will be more cautious about training data collection going forward. A clear standard has been established requiring them to distinguish between legally purchased materials and illegal copies.

Second, a new benchmark has been created for negotiations between creators and AI companies. It's now clear that it's not simply "all use is illegal" or "all use is legal," but must be judged based on specific circumstances.

Third, governments and legislatures will face pressure to create new copyright legislation suited for the AI era. Current copyright laws struggle to keep pace with AI technological development.

Conclusion

This ruling on Anthropic's Claude training methods has become an important milestone in AI copyright debates. While transformative use of legally purchased materials was recognized as fair use, pirated material use was clearly deemed illegal.

This provides important criteria in the ongoing process of finding balance between AI technological advancement and creator rights protection. Going forward, AI companies will need to collect data in more transparent and ethical ways, while creators should also seek constructive cooperation rather than unconditional opposition.

Most importantly, technological advancement should not infringe on the rights of many for the benefit of a few. For AI to develop in a way that benefits all of humanity, ethical responsibility must be considered alongside technological innovation.

The path forward requires careful navigation between innovation and responsibility, ensuring that the AI revolution serves the greater good while respecting the rights and contributions of creators whose work makes these advances possible..

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