Claude Prompt Caching: 6 Tricks That Cut Your API Bill
This story is from 2026-09-09. It is preserved in the archive; the latest stories are on the live feed.
Breakpoints, TTL math, Batch stacking, and a two-session split. Measured on OpenRouter, $0.003 vs $0.022 per turn
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- 2026-09-09 16:00 · AlphaSignal
Claude Prompt Caching: 6 Tricks That Cut Your API Bill