ICYMI we've cut the price of Sonnet 5.5 cache reads in half.
In the Claude Platform, it's now $0.10 per million tokens (input is $2, output is $10).
This means Sonnet 5.5 now runs ~20% cheaper on most agentic work.
(API only, no change to Claude Code usage limits.)
Sonnet 5.5 cache reads now cost $0.10 per million tokenThe chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.Full definition →, making most agentic API workloads about 20% cheaper. Claude Code usage limits do not change.
Terms in this piece · Glossary
token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
