aisdk/vercel

---

Official Vercel AI Gateway provider for the PHP AI SDK. Uses Vercel's OpenAI-compatible Chat Completions API.

Installation

composer require aisdk/vercel

Basic Usage

use AiSdk\Generate;
use AiSdk\Vercel;

Vercel::create(['apiKey' => $_ENV['AI_GATEWAY_API_KEY']]);

$result = Generate::text('Explain this code briefly.')
    ->model(Vercel::model('anthropic/claude-sonnet-4.5'))
    ->run();

Configuration

Variable	Description	Default
AI_GATEWAY_API_KEY	Vercel AI Gateway API key	Required
VERCEL_BASE_URL	Base URL for API requests	https://ai-gateway.vercel.sh/v1

Supported Capabilities

Capability	Support
Text generation and streaming	Native OpenAI-compatible chat
Tool calling, structured output, reasoning	Passed through for selected gateway models
Image input	Passed through for compatible gateway models

Provider Options

Use providerOptions('vercel', ['raw' => [...]]) for documented AI Gateway fields outside the portable SDK surface. Model IDs use Vercel's provider/model form and remain opaque strings.

Documentation

• Vercel AI Gateway documentation
• PHP AI SDK documentation