# LangSmith adds cache hit rate tracking for LLM agents

> Original title: LangSmith now tracks cache hit rates for your agents 🦜

- Source: LangChain
- Published: 2026-10-27T19:00:00.000Z
- Bad Influence: https://badinfluence.news/items/ixk8u0bcan6md2vc9yvo46s55
- Original: https://x.com/LangChain/status/2115156579498504576

## Summary

LangChain says LangSmith now tracks cache hit rates for agents, showing an overall hit rate as a single stat. Users can break the rate down by thread and chart it over time with dashboard templates. Cached LLM calls are cheaper and faster, so the metric shows how often an agent gets a hit.

## Post

LangSmith now tracks cache hit rates for your agents 🦜

Cached LLM calls are cheaper and faster, so it's worth knowing how often your agent actually gets a hit.

📊 View your agent's overall hit rate as a single stat
🧵 Break it down thread by thread
📈 Chart it over time with our dashboard templates

Try it out today ➡️ http://smith.langchain.com

[Video](https://badinfluence.news/api/img-proxy?u=https%3A%2F%2Fpbs.twimg.com%2Famplify_video_thumb%2F2115146331350056960%2Fimg%2FyjjnQJuFxunfj6VQ.jpg&mode=thumb&exp=1793404800&sig=22039f2aab2cddd0)