Open Source · language

Use InternLM 2.5 20B with PHP

Updated 2026-05-21 · By XALEN

How to use InternLM 2.5 20B (Open Source, 20B) with PHP. 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

PHP

language · composer require openai-php/client

1. Install

composer require openai-php/client

2. Code

<?php
require 'vendor/autoload.php';

$client = OpenAI::factory()
    ->withApiKey('xln_test_YOUR_KEY')
    ->withBaseUri('https://api.xalen.io/v1')
    ->make();

$response = $client->chat()->create([
    'model' => 'internlm-2-5-20b',
    'messages' => [
        ['role' => 'user', 'content' => 'Hello from PHP!']
    ]
]);

echo $response->choices[0]->message->content;

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Last updated: 2026-05-21