LangChain.js

Use it when

• compose model, tool, retrieval, and streaming steps in TypeScript
• standardize provider integrations behind runnable interfaces

What it solves

Not the fit when

• framework abstractions can be excessive for a single provider call

Install

npm install langchain @langchain/core

Invoke

Instantiate a chat model, bind tools or compose Runnables, then call `invoke`, `stream`, or `batch` with typed messages.

Alternatives

No reviewed alternatives recorded yet.