Open Source · language

Use DeepSeek V2.5 with PHP

Updated 2026-05-21 · By XALEN

How to use DeepSeek V2.5 (Open Source, 236B (21B active)) with PHP. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

DeepSeek V2.5

236B (21B active) · 128K context · $0.04 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' => 'deepseek-v2-5',
    'messages' => [
        ['role' => 'user', 'content' => 'Hello from PHP!']
    ]
]);

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

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Last updated: 2026-05-21