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Using OpenRouter With Roo Code

OpenRouter is an AI platform that provides access to a wide variety of language models from different providers, all through a single API. This can simplify setup and allow you to easily experiment with different models.

Website: https://openrouter.ai/

Getting an API Key​

  1. Sign Up/Sign In: Go to the OpenRouter website. Sign in with your Google or GitHub account.
  2. Get an API Key: Go to the keys page. You should see an API key listed. If not, create a new key.
  3. Copy the Key: Copy the API key.

Supported Models​

OpenRouter supports a large and growing number of models. Roo Code automatically fetches the list of available models. Refer to the OpenRouter Models page for the complete and up-to-date list.

Configuration in Roo Code​

  1. Open Roo Code Settings: Click the gear icon () in the Roo Code panel.
  2. Select Provider: Choose "OpenRouter" from the "API Provider" dropdown.
  3. Enter API Key: Paste your OpenRouter API key into the "OpenRouter API Key" field.
  4. Select Model: Choose your desired model from the "Model" dropdown.
  5. (Optional) Custom Base URL: If you need to use a custom base URL for the OpenRouter API, check "Use custom base URL" and enter the URL. Leave this blank for most users.

Supported Transforms​

OpenRouter provides an optional "middle-out" message transform to help with prompts that exceed the maximum context size of a model. You can enable it by checking the "Compress prompts and message chains to the context size" box.

Tips and Notes​

  • Model Selection: OpenRouter offers a wide range of models. Experiment to find the best one for your needs.
  • Pricing: OpenRouter charges based on the underlying model's pricing. See the OpenRouter Models page for details.
  • Prompt Caching: Some providers support prompt caching. See the OpenRouter documentation for supported models.