LangChain Cache Strategies Cheat Sheet

Reuse embeddings

Last Updated: November 21, 2025

Focus Areas

Focus
Cache embeddings
Attach metadata for TTL

Commands & Queries

cache.set(key, value)
Store
cache.get(key)
Retrieve
cache.invalidate(pattern)
Expire

Summary

Caching slashes token use and warms latency.

💡 Pro Tip: Invalidate caches when docs change.
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