AI Provider for OpenRouter

Description

This plugin provides OpenRouter integration for the PHP AI Client SDK. It enables WordPress sites to use hundreds of AI models from various providers through OpenRouter’s unified, OpenAI-compatible API.

External services

This plugin connects to the Open Router API to generate text using a wide range of AI models.

Using this plugin requires an OpenRouter API key, which can be obtained by creating an account on the OpenRouter website. Create an account and generate an API key at https://openrouter.ai/settings/keys.

You can find the OpenRouter terms of service here: https://openrouter.ai/terms, and their privacy policy here: https://openrouter.ai/privacy.

Features:

  • Text generation with any OpenRouter-supported model
  • Automatic model discovery from the OpenRouter API
  • Automatic provider registration

Available models are dynamically discovered from the OpenRouter /models endpoint, including models from OpenAI, Anthropic, Google, Meta, Mistral, and many more.

Requirements:

  • PHP 7.4 or higher
  • For WordPress 6.9, the wordpress/php-ai-client package must be installed
  • For WordPress 7.0 and above, no additional changes are required
  • OpenRouter API key

Installation

  1. Upload the plugin files to /wp-content/plugins/ai-provider-for-openrouter/
  2. Activate the plugin through the ‘Plugins’ menu in WordPress
  3. Configure your OpenRouter API key via the OPENROUTER_API_KEY environment variable or constant

FAQ

How do I get an OpenRouter API key?

Visit OpenRouter to create an account and generate an API key at https://openrouter.ai/settings/keys.

Does this plugin work without the PHP AI Client?

No, this plugin requires the PHP AI Client plugin to be installed and activated. It provides the OpenRouter-specific implementation that the PHP AI Client uses.

Reviews

March 25, 2026 1 reply
Works exactly as I was hoping – nice work!
Read all 1 review

Contributors & Developers

“AI Provider for OpenRouter” is open source software. The following people have contributed to this plugin.

Contributors

Changelog

1.0.0

  • Initial release
  • Support for text generation models via OpenRouter
  • Automatic model discovery from the OpenRouter API