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Amazon Didn't Buy a Cheaper Model. It Bought a Decider.

Last week I argued that the price spread between models is an 80x gradient you route on, and that the saving is only real where your validator is deterministic. Amazon just ran that experiment at a scale nobody else can. The result is stranger than "they used a cheaper model." They replaced Claude…

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  1. 2026-11-11 22:41 · DEV Community — AI
    Amazon Didn't Buy a Cheaper Model. It Bought a Decider.

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