Why it matters

Response cache is baseline for LLM ops. Understanding shapes cost.

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The architecture

Hash prompt + params.

Redis / KV store lookup.

Return if hit.

Miss: call LLM + store.

Response cache flowHash prompt + paramscache keyStore lookupRedis / memcacheReturn or callon hit / missSimple + safe; deterministic outputs required (temp=0) for quality
Response cache.
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How it works end to end

Include model, temperature, tools in key.

TTL per response.

Best for deterministic (temp=0).

Cache-Control headers.