> For the complete documentation index, see [llms.txt](https://docs.aichatone.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.aichatone.com/product-guides/custom-chatbots/openrouter.md).

# OpenRouter

[OpenRouter](https://openrouter.ai/) is a unified interface for LLMs. It provides a standardized API for all popular LLMs.

## Preparation[​](https://doc.chathub.gg/custom-chatbots/openai#preparation) <a href="#preparation" id="preparation"></a>

[Create an account](https://openrouter.ai/) and get your API key.

## Configuration <a href="#configuration" id="configuration"></a>

<figure><img src="/files/HfQC9qyCsUelu1uI8bC3" alt=""><figcaption></figcaption></figure>

We're using the `anthropic/claude-3-opus` model in this example.

You can find all the available models from OpenRouter website: <https://openrouter.ai/docs#models>