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Overview

OpenRouterLLMService provides access to OpenRouter’s language models through an OpenAI-compatible interface. It inherits from OpenAILLMService and supports streaming responses, function calling, and context management with access to multiple model providers through a single API.

OpenRouter LLM API Reference

Pipecat’s API methods for OpenRouter integration

Example Implementation

Complete example with function calling

OpenRouter Documentation

Official OpenRouter API documentation and features

OpenRouter Platform

Access multiple model providers and manage API keys

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Installation

To use OpenRouter services, install the required dependencies: 
pip install "pipecat-ai[openrouter]"

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Prerequisites

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OpenRouter Account Setup

Before using OpenRouter LLM services, you need:
  1. OpenRouter Account: Sign up at OpenRouter
  2. API Key: Generate an API key from your account dashboard
  3. Model Selection: Choose from hundreds of available models from different providers
  4. Credits: Add credits to your account for model usage

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Required Environment Variables

  • OPENROUTER_API_KEY: Your OpenRouter API key for authentication