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

# Core Features

<Card>
  <Columns cols={2}>
    <Card title="Smart Caching">
      Cache common responses (greetings, FAQs) to cut LLM calls and reduce costs by up to \~70% at scale.
    </Card>

    <Card title="Model Switching">
      Route simple tasks to efficient models and reserve premium models for complex tasks to optimize cost / performance.
    </Card>

    <Card title="StreamFlow">
      Stream responses to TTS in real time to reduce latency and create natural conversational pacing.
    </Card>

    <Card title="AutoTest">
      Automated scenario testing and prompt evaluation to verify agent behavior before releasing to production.
    </Card>
  </Columns>
</Card>