The craziest thing about Fable 5.1 for me personally

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AI summary

A user calculated that cache read costs for Fable 5.1 accounted for 78% of total costs over the past two months, using ccusage. They anticipate that if cache reads become 75% cheaper, overall costs could decrease by approximately 57%. The user is eager to verify if these calculations hold true in practice.

I just had Claude calculate the fraction of cache read costs for the past two months using ccusage and it amounts to 78% for Fable 5. If cache reads get 75% cheaper then overall costs should decrease by ~57%. I’m excited to see if the math holds up.