Dev.to tutorial Tutorials May 18 3 views

I Cut My LLM API Bill by 38% With a Caching Layer — Here's the Complete Implementation

by Xidao

A practical, code-heavy tutorial on building a smart caching layer for LLM API calls. Covers exact-match hashing, semantic similarity caching with embeddings, temperature thresholds, streaming support, and production middleware. Real benchmarks from 4 production scenarios showing 15-55% cost savings.

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API LLM

Metadata

Devto Id
3692889
Reading Time Minutes
9

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