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

# Brain Customisation

## Customize your brain to fit your needs.

<CardGroup cols={2}>
  <Card title="Model" icon="robot">
    For each of your brains, you can choose which model you want to use.
  </Card>

  <Card title="Max Token" icon="paragraph">
    You can set the maximum token count to define the maximum size of your brain's responses.
  </Card>
</CardGroup>

<Tip>You can also update the name and description of the brain if needed.</Tip>

## Choose your prompt

You can choose from a library of prompts or create your own.

<Info>
  A prompt in this context refers to a specific instruction or set of
  instructions given to an AI system to perform a particular task or generate a
  specific type of response.
</Info>

<Snippet file="commercial.mdx" />