> ## Documentation Index
> Fetch the complete documentation index at: https://docs.rubbrband.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Roi Settings

> Learn about the different configurable Roi settings

Roi has a few configurable settings, accessible through the settings icon as shown below.

![](https://rubbrband-static-assets-buckets.s3.us-east-1.amazonaws.com/docs/images/roi_settings.png)

* **Number of Images:** Every time Roi generates, he can generate up to 4 images at a time. You can reduce or increase this.

* **Aspect Ratio:** Roi can generate 1:1, 16:9, or 9:16 images. 

* **Model**: Roi can generate images using Flux Pro, Flux Pro Ultra, Flux Dev, or Flux Schnell. You will be charged accordingly for the model you choose.

* **Concept Model:** If you are using Flux Dev, you may select a Rubbrband Concept model to use inside Roi. This will allow Roi to use your custom concepts in the images that it creates.