Anthropic’s Boris Cherny:

– Internally, they use the same models as everyone else + a bit Claude Mythos, mainly Opus 4.7

– A toned-down version of Claude Mythos will be released in the foreseeable future (but that was to be expected). pic.twitter.com/E9K2DLGEr7

— Chubby♨️ (@kimmonismus) 5 mai 2026

Anthropic’s Boris Cherny: – Internally, they use the same models as everyone else + a bit Claude Mythos, mainly Opus 4.7 – A toned-down version of Claude Mythos will be released in the foreseeable future (but that was to be expected).

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