Deepseek v4.1 flash prices cache-hit input at three dollars per billion tokens off-peak, while…
deepseek v4.1 flash prices cache-hit input at three dollars per billion tokens off-peak, while claude opus 5 charges five thousand dollars for the same billion, a 1,600x gap. the 552 billion parameter open-weight model carries a million token context and ships mit. when the marginal cost of frontier-class reasoning hits fractions of a cent, the pricing conversation stops being about models.
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The air is now being asked to keep its own ledger
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