AI 'capability' can't be reduced to a single number for forecasting, researchers argue

davidmanheim · x · 2026-09-16

David Bellamy argues 'capability' should describe what task types an AI model can do today, not serve as a hand-wavy quantity for forecasting future models. David Manheim extends the point: nearly nothing we measure is a single coherent quantity—stock indices, temperature, even physics measurements are inferences over partly understood interactions.

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