Anthropic halved Sonnet 5.5 cache reads, and its own tool showed the old price for two days

Anthropic halved the price of prompt cache reads on Claude Sonnet 5.5 on October 7, and for the next two days its own coding tool priced them at the old rate. The cut is in Anthropic's platform release notes: "We've lowered the price of prompt cache reads on Claude Sonnet 5.5 from $0.20 USD to…

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