No, courts so far in the jurisdictions which have heard such cases, have ruled it's fair use. There is plenty of ongoing litigation in many jurisdictions, so it's way too early to just decree "it's been determined". It likely won't be for years to come.

Why did Anthropic settle with authors for 1.5 billion then? Surely their lawyers must have decided there's a pretty good chance of judges ultimately deciding that it is copyright infringement?