Open Source · frontend
Use Llama 3.1 405B with React
Updated 2026-05-21 · By XALEN
How to use Llama 3.1 405B (Open Source, 405B) with React. Install, authenticate, and make your first API call in minutes. Working code example included.
Model
Llama 3.1 405B
405B · 128K context · $0.08 input
Framework
React
frontend · npm install xalen-sdk
1. Install
npm install xalen-sdk
2. Code
import { useState } from 'react';
import XALEN from 'xalen-sdk';
const client = new XALEN({ apiKey: 'xln_test_YOUR_KEY' });
export default function Chat() {
const [response, setResponse] = useState('');
async function ask(question) {
const res = await client.chat.completions.create({
model: 'llama-3-1-405b',
messages: [{ role: 'user', content: question }]
});
setResponse(res.choices[0].message.content);
}
return <div>{response}</div>;
}
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Get API KeyLast updated: 2026-05-21