They are settling because the risk of losing will cost their entire business.
Anthropic knows that they will lose if they were brought to trial.
I know little but perhaps the harm felt on future valuation is more than the settlement amount.
> Alsup gave the parties a Sept. 15 deadline to submit a final list of works, which currently stands around 465,000.
> That's a far cry from the 7 million works that he initially certified as covered in the class. A breakdown from the Authors Guild—which consulted on the case and is part of a Working Group helping to allocate claims of $3,000 per work to authors and publishers—explained that "after accounting for the many duplicates," foreign editions, unregistered works, and books missing class criteria, "only approximately 500,000 titles meet the definition required to be part of the class."
https://arstechnica.com/tech-policy/2025/09/judge-anthropics...
But sure, I bet us randos on HN have a better feel for this than Anthropic's legal team.