Anthropic’s two 5.1 configurations share model weights but not safeguards. Fable 5.1 is the broadly available option with effort and cache controls; Mythos 5.1 is reserved for vetted organizations and trusted research programs.
Language tutor that teaches through real conversations instead of flashcards
最多选择 3 项 — 我们将定制目录。随时可更改。
