LangChain logo
specialized

LangChain

Framework for developing applications powered by language models with composability and data awareness.
llm framework ai development open source
Intermediate Level
Free (Open Source)
Starting Price
Try LangChain
Category
specialized
Setup Time
< 2 minutes
specialized
Category
Intermediate
Difficulty
Active
Status
Web App
Type

What is LangChain?

Build LLM apps with confidence

LangChain is the framework for building production-grade LLM applications. Connect language models to your data, APIs, and tools while maintaining modularity and observability. From prototypes to production, LangChain provides the building blocks for next-generation AI applications.

Key Capabilities

What makes LangChain powerful

Composability

Chain together LLMs, tools, and data sources in modular, reusable components

Implementation Level Expert

Data Aware

Connect LLMs to any data source with built-in loaders and vector stores

Implementation Level Professional

Agent Framework

Build autonomous agents that can use tools and make decisions

Implementation Level Advanced

Production Ready

LangSmith platform for debugging, testing, and monitoring LLM apps

Implementation Level Professional

Professional Integration

These capabilities work together to provide a comprehensive AI solution that integrates seamlessly into professional workflows. Each feature is designed with enterprise-grade reliability and performance.

Pricing

Start using LangChain today

Free (Open Source)

Starting price

Get Started

Quick Information

Category specialized
Pricing Model Freemium
Last Updated 12/7/2025

Tags

llm framework ai development open source python javascript agent development

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