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LangChain

LLMs

Framework for building LLM-powered applications using composable primitives.

134kstars21kforksPython / TypeScript

About

LangChain provides abstractions for chaining LLM calls, retrieval-augmented generation, memory, agents, and tool usage. Still the most widely-adopted foundation for production LLM apps, with 1,000+ pre-built integrations.

Key Features

Chains
Agents
Memory
RAG
Tool calling

Related Resources

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llama.cpp

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Ollama

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High-throughput, memory-efficient LLM serving engine.