System card asserts with specificity that MyTHOS 5 and Fable 5 share weights
repligate · x · 2026-11-10
Follow-up on Anthropic's new models: AskYatharth notes that while a Twitter thread might be imprecise, the system card itself asserts with specificity that Claude MyTHOS 5 and Fable 5 run on the same underlying model weights, with the public release differing only in deployment-layer safeguards.
Related event: Anthropic System Card Confirms MyTHOS 5 and Fable 5 Share Weights(2 posts)→
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