Sonnet 5.5 cache reads were halved to $0.10 per million tokens

According to SiliconANGLE, Sonnet 5.5 cache reads dropped from $0.20 to $0.10 per million tokens. Haiku 5.5 cache reads cost $0.01.

Caching pays off when the same long prompt, such as system instructions or a document, is sent again and again. Writing to the cache costs $0.125 per million tokens on Haiku 5.5.