Opinion: models grinding for days against an uncheatable verifier is the true capability frontier

mike64_t · x · 2026-09-05

The author argues that the value of determinism will keep growing and processes will look increasingly grindable and harness-like. The real frontier of model capability usage is a model that grinds for multiple days from a single prompt without giving up—because consistent progress makes cheating the verifier impossible. They're also excited by workflows that enable fast iteration on trivially verifiable tasks: "Castles will be built in virtual space."

Related event: Deterministic verifiable tasks and multi-day grinding seen as agent frontier(3 posts)→

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