Essential AI Libraries for Node.js Developers

Getting started with AI in Node.js is simpler than you might think. The key libraries to know are: 1. OpenAI SDK npm install openai import OpenAI from ‘openai’; const openai = new OpenAI({ apiKey: process.env.OPENAI_API_KEY }); const completion = await openai.chat.completions.create({ model: ‘gpt-4’, messages: [{ role: ‘user’, content: ‘Hello!’ }] }); console.log(completion.choices[0].message.content); 2. LangChain.js For…

Streaming LLM Responses in Node.js with Server-Sent Events

Streaming responses from LLMs provides a much better UX. Here’s how to implement it properly: import OpenAI from ‘openai’; import { Readable } from ‘stream’; const openai = new OpenAI(); async function streamChat(prompt) { const stream = await openai.chat.completions.create({ model: ‘gpt-4’, messages: [{ role: ‘user’, content: prompt }], stream: true }); for await (const chunk…