aisdk/cohere

---

Official Cohere provider for the PHP AI SDK. Uses Cohere's native v2 Chat and Embed APIs.

Installation

composer require aisdk/cohere

Basic Usage

use AiSdk\Cohere;
use AiSdk\Generate;

Cohere::create(['apiKey' => $_ENV['COHERE_API_KEY']]);

$result = Generate::text('Explain vector databases in one sentence.')
    ->model(Cohere::model('command-a-03-2025'))
    ->run();

Embeddings

$result = Generate::embedding(['A document to index'])
    ->model(Cohere::model('embed-v4.0'))
    ->providerOptions('cohere', ['inputType' => 'search_document'])
    ->run();

Configuration

Variable	Description	Default
COHERE_API_KEY	API key for authentication	Required
COHERE_BASE_URL	Base URL for API requests	https://api.cohere.com

Supported Capabilities

Capability	Support
Text generation and streaming	Native v2 Chat API
Tools, structured output, reasoning, image input	Native where supported by the selected model
Embeddings	Native v2 Embed API

Use providerOptions('cohere', ['raw' => [...]]) for Cohere fields outside the portable SDK surface. Model IDs are opaque strings and are validated by Cohere.

Documentation

• Cohere v2 Chat API reference
• PHP AI SDK documentation