Reasoning · language

Use o3 Pro with PHP

Updated 2026-05-21 · By XALEN

How to use o3 Pro (Reasoning, ~1T) with PHP. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

o3 Pro

~1T · 200K context · $0.15 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' => 'o3-pro',
    'messages' => [
        ['role' => 'user', 'content' => 'Hello from PHP!']
    ]
]);

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

o3 Pro with Other Frameworks

Python JavaScript React Next.js Flask FastAPI Django Express.js

Other Models with PHP

Vedika Standard Vedika Fast Vedika Pro Ultra Vedika Vision Vedika Code Vedika Astro Agent

200+ models. One API. Works with any framework.

Get API Key

Last updated: 2026-05-21