I asked Claude Fable 5 (June 9th 2026) how it relates to the other Claude models
Before this small discussion, I had reasoned in my mind that Claude Fable 5 was perhaps built on top of Opus, that from Opus to Fable (Mythos) was a smaller stretch of time, and compute effort. A small chat tho confirms its independence from the other models, at least what it has been given as …