Mollick: open-weight models are furthest from the frontier in some time

emollick · x · 2026-09-10

Ethan Mollick observes that open-weight models are further from the frontier than they've been in some time. Mythos launched in March, and despite solid open releases since (K3 and GLM-5.3 are great), they aren't that close to Mythos or Astra in practice. He assumes the gap will close eventually.

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