Open Source · language

Use Yi Lightning with JavaScript

Updated 2026-05-21 · By XALEN

How to use Yi Lightning (Open Source, 200B MoE) with JavaScript. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

Yi Lightning

200B MoE · 128K context · $0.04 input

Framework

JavaScript

language · npm install xalen-sdk

1. Install

npm install xalen-sdk

2. Code

import XALEN from 'xalen-sdk';

const client = new XALEN({ apiKey: 'xln_test_YOUR_KEY' });

const response = await client.chat.completions.create({
  model: 'yi-lightning',
  messages: [{ role: 'user', content: 'Hello from JavaScript!' }]
});
console.log(response.choices[0].message.content);

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Last updated: 2026-05-21