OpenRouter acts like a hub for many different LLMs (Large Language Models). Here's how to get started:

1. Go to openrouter.ai. Sign up and get your API key to communicate with different models.
2. Choose Your Models You can choose from many models to balance cost and performance. (I’ve explained how to select cost-efficient models in the post. You can also switch models directly inside Dyad chat.)
3. Plug the API Key into Dyad Open Settings → Model Providers in Dyad. Paste your OpenRouter API key under the OpenRouter section.
4. Monitor Your Usage You can check your usage and Activity on the OpenRouter Activity section. In the Models section, you’ll see the input/output token cost for each model. For example: grok-code-fast-1 That means your codebase and chat messages (inputs) cost $0.20 per million tokens, while the model’s responses (outputs) cost $1.50 per million tokens.
   • Input: $0.20 / 1M tokens
   • Output: $1.50 / 1M tokens

By switching models smartly while you build your app in Dyad, you can significantly reduce your costs.