When nobody can track frontier model progress, closed-model business may lose to open weights

StewartalsopIII · x · 2026-09-02

Stewart Alsop III proposes a signal to watch: the moment individuals—and eventually the smartest person on earth—can no longer tell whether frontier models have actually improved. At that point, he argues, frontier model companies' business may be in trouble as more people shift to locally hosted open-weight models. He concedes this rests on shaky epistemological ground and invites pushback.

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