Claude: ‘One more thing’, cache reads on Sonnet 5.5 halved to $0.10 per million tokens
Claude @claudeaiX
Why it matters
Official announcement of the Sonnet 5.5 cache-read price cut that came with Haiku 5.5; about 1.54M views (fxtwitter, Oct 9).
Summary
“One more thing: we’re halving the price of cache reads on Claude Sonnet 5.5, to $0.10 per million tokens. That makes Sonnet 5.5 around 20% cheaper to run on most long-running work.” Read via api.fxtwitter.com on 2026-10-09: about 1.54M views, 11.9k likes.
Archived text
One more thing: we’re halving the price of cache reads on Claude Sonnet 5.5, to $0.10 per million tokens. That makes Sonnet 5.5 around 20% cheaper to run on most long-running work.