Open Source · language

Use InternLM 2.5 20B with JavaScript

Updated 2026-05-21 · By XALEN

How to use InternLM 2.5 20B (Open Source, 20B) with JavaScript. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

InternLM 2.5 20B

20B · 256K context · $0.02 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: 'internlm-2-5-20b',
  messages: [{ role: 'user', content: 'Hello from JavaScript!' }]
});
console.log(response.choices[0].message.content);

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Last updated: 2026-05-21