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Home/Categories/AI & Machine Learning/LMCache
LMCache icon

LMCache

An open-source Knowledge Delivery Network that accelerates LLM applications.

9.6K starsPythonApache-2.0Active this week
Visit websiteGitHub repo
Contents
  1. 01Who LMCache is for
  2. 02The problem it solves
  3. 03How it solves it
  4. 04Strengths and trade-offs
  5. 05Install and self-host
  6. 06Tech stack
  7. 07FAQ
  8. 08Similar open-source tools
TL;DR

LMCache is an open-source KDN that accelerates LLM applications by caching key-value pairs. It improves response times and reduces costs significantly. Ideal for AI chatbots and document processing tools.Apache-2.0 · Python · 9.6K stars · Active this week

who it's for

Who LMCache is for#

Customer Support

Ideal for businesses looking to enhance AI-driven customer service applications.

Skip if:

If you do not require real-time interactions.

Document Processing

Streamline processing of large volumes of documents with fast retrieval capabilities.

Skip if:

If your application does not involve document handling.

the problem

The problem it solves#

LMCache addresses the slow response times and high costs associated with traditional LLM applications by implementing efficient caching mechanisms.

how LMCache solves it

How it solves it#

Prompt Caching

Enable fast, uninterrupted interactions with AI chatbots by caching long conversational histories.

Fast RAG

Enhance the speed and accuracy of RAG queries by dynamically combining stored KV caches.

Scalability

Effortlessly scales without complex GPU request routing.

Cost Efficiency

Reduces the cost of storing and delivering KV caches through novel compression techniques.

Cross-Platform Integration

Seamlessly integrates with popular LLM serving engines like vLLM and TGI.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • SpeedMinimizes latency with unique streaming and decompression methods.
  • QualityEnhances the quality of LLM inferences through offline content upgrades.

Trade-offs

  • -Complexity in SetupInitial setup may require technical expertise to integrate with existing systems.
install · self-host

Install and self-host#

bash
docker run -p 8080:8080 lmcache/demo
tech stack · detected from GitHub

What it's built on#

Languages
C++GoJavaScriptPythonRust
frequently asked

FAQ#

What is LMCache?

LMCache is an open-source Knowledge Delivery Network that accelerates LLM applications.

How does LMCache improve response times?

By caching key-value pairs, LMCache enables faster retrieval of information.

Is LMCache easy to integrate?

Yes, LMCache integrates seamlessly with popular LLM serving engines.

also worth a look

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Repository

Stars
9.6K
Forks
1.4K
License
Apache-2.0
Latest
v0.4.7
Last commit
today
Last verified
Jun 22, 2026
Repo
LMCache/LMCache ↗

Additional details

Language
Python
Open issues
332
Contributors
226
First release
2024

Categories

AI & Machine LearningDeveloper ToolsLLMOps & AI ToolingCloud & Hosting

Tags

LLMKnowledge ManagementDeveloper ToolsAI AgentsChatbots