curso-langchain/slides/pages/setup/14.md

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Usar Ollama con LangChain.js

📦 Instalación

# 1. Descargar e instalar Ollama
# https://ollama.com/download

# 2. Descargar un modelo
ollama pull llama3.2

# 3. Instalar paquete LangChain
npm install @langchain/ollama

💻 Código

import { ChatOllama } from "@langchain/ollama";

const model = new ChatOllama({
  model: "llama3.2",
  baseUrl: "http://localhost:11434",
});

const response = await model.invoke("¿Qué es LangChain?");
console.log(response.content);