Zvi opens reaction thread on Mythos+Fable 5.1, 'world's most advanced AI'
TheZvi · x · 2026-09-04
AI commentator Zvi (TheZvi) opened a reaction thread on the newly released Mythos+Fable 5.1, calling it "the world's most advanced AI system, at least for the next few minutes," and asking how it actually looks in practice — one of the first in-depth assessments of the new frontier model.
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