Cortex

Let's get you set up.

Step 1 of 3

Set your password

Password

Minimum 8 characters.

Confirm password

Step 2 of 3

Create your persona

Persona name (used in the URL)

Lowercase, no spaces. This becomes /you/tina in the URL.

Display name

Shown in the chat header.

Your name

What your persona should call you.

Pick an emoji

Short description (optional)

Connect an AI model

⚡ Recommended: OpenRouter

One API key gives you access to Claude, Gemini, Llama, and dozens of other models. Get a free key at openrouter.ai/keys.

OpenRouter API key

Starting model

You can add more models or switch anytime in Account → Model Registry.

Using Ollama, a local model, or something else? Skip this step →