OpenRouter Setup
https://openrouter.ai/
Step 1
Create API Key
Go to OpenRouter.ai, sign in, and go to the Keys page to create a new key.

Step 2
Add Credits
OpenRouter requires a balance to work. Click 'Credits' to add a small amount (e.g. ).

Step 3
Payment Success
Once payment is successful, you will see your updated balance.

Step 4
Choose Models
You can now use various AI models (like Claude 3.5 Sonnet or GPT-4o) through this single API key.
