Stop Recomputing What You Already Paid For
中文摘要
Token 缓存解决了 LLM 每次请求需重新计算系统提示词的问题，可有效降低成本并提升效率。
English Summary
Token caching optimizes LLM requests by preventing redundant re-computation of system prompts, reducing costs and latency.
Original Excerpt
Every LLM request re-reads your system prompt from scratch. Token caching fixes this — but only if you understand what it’s actually doing… Continue reading on Medium »