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+---
+layout: default
+---
+
+# Instalación en Node.js
+
+<div class="text-sm">
+
+<v-click>
+
+**Requisitos**: Node.js v20+ y tu entorno TypeScript habitual (tsx, ts-node, Vite, Next.js...)
+
+</v-click>
+
+<v-click>
+
+## 1. Paquetes base
+
+```bash
+npm install langchain @langchain/core
+```
+
+</v-click>
+
+<v-click>
+
+## 2. Proveedores (los que vayas a usar)
+
+```bash
+npm install @langchain/mistralai    # Mistral
+npm install @langchain/google       # Gemini
+npm install @langchain/openai       # GPT-4.1, Azure
+npm install @langchain/anthropic    # Claude
+```
+
+</v-click>
+
+<v-click>
+
+## 3. Entorno TypeScript (si no lo tienes)
+
+```bash
+npm install -D typescript tsx @types/node
+npx tsx mi-script.ts  # Para ejecutar
+```
+
+</v-click>
+
+<v-click>
+
+<div class="mt-2 text-xs opacity-70">
+Versiones actuales (Mayo 2026): langchain v1.4.1 · @langchain/core v1.1.44
+</div>
+
+</v-click>
+
+</div>