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# Intercambiabilidad de Modelos

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```typescript
// Google Gemini
import { ChatGoogle } from "@langchain/google";

const model = new ChatGoogle({
  model: "gemini-2.5-flash"
});
```

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```typescript
// Ollama (Local)
import { ChatOllama } from "@langchain/ollama";

const model = new ChatOllama({
  model: "llama3.2"
});
```

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⚡ Todos usan la misma interfaz: <code>.invoke()</code>, <code>.stream()</code>, <code>.batch()</code>
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