LangChain

Leading framework for building LLM apps and agents

Visit Official Site ↗

🤖 Comparing AI agents?

See how this agent ranks in our Best AI Agents guide, or browse the full AI Agents category:

Best AI Agents — ranked guide →All AI Agents →

About LangChain

LangChain is a tool that provides libraries, integrations and LangGraph orchestration for building language-model applications, retrieval systems and agents in Python and JavaScript. It is built for developers building custom AI applications. The result is a focused workflow that saves time compared with doing the same work manually, while keeping the user in control of the final output and quality.

LangChain key facts

Category: AI Agents
Pricing: Freemium — a free tier lets you start, and paid plans are available if you need more.
Focus areas: framework, developers, llm apps
Official site: langchain.com

About the AI Agents category

Autonomous AI agents that plan and execute tasks for you — general agents, AI browsers, AI employees, app builders, and coding agents. The AI Agents category on Tools Hub currently lists 156 tools. Alongside LangChain, it includes LlamaIndex, AutoGen, Dify, Flowise.

FreemiumAI Agentsframeworkdevelopersllm-apps

More in AI Agents

Comparing tools in the AI Agents category? These related listings are worth a look: LlamaIndex — Data framework for connecting LLMs to your data; AutoGen — Microsoft framework for multi-agent conversations; Dify — Visual platform for building AI apps and agent workflows.