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

# H Tech Hub

Build computer-use AI on H Company's **Holo** Vision-Language Models. A single OpenAI-compatible API: send screenshots and prompts, get back structured actions and click coordinates, and drive any web, desktop, or mobile interface.

<CardGroup cols={2}>
  <Card title="Quickstart" icon="rocket" href="/quickstart" cta="Get started">
    Run Holo in five minutes.
  </Card>

  <Card title="About the Models API" icon="circle-info" href="/about-the-models-api" cta="Learn more">
    What the API does and the models on offer.
  </Card>
</CardGroup>

## Two ways to use Holo

<CardGroup cols={2}>
  <Card title="Agent loop" icon="arrows-rotate" href="/agent-loop">
    Multi-turn control for an autonomous agent.
  </Card>

  <Card title="Element localization" icon="crosshairs" href="/element-localization">
    Get click coordinates from a screenshot.
  </Card>
</CardGroup>

## Try Holo directly in your browser, for free

<Card title="HoloTab" icon="chrome" href="https://hcompany.ai/meet-holotab" cta="Add to Chrome">
  Run Holo in your browser, no code required.
</Card>

## Models and research

<CardGroup cols={2}>
  <Card title="Holo3.1 release" icon="newspaper" href="https://hcompany.ai/holo3.1">
    Mobile, function calling, and local inference.
  </Card>

  <Card title="Holo3 benchmarks" icon="trophy" href="https://hcompany.ai/holo3">
    78.85% on OSWorld-Verified.
  </Card>

  <Card title="Hugging Face" icon="book" href="https://huggingface.co/collections/Hcompany/holo31">
    Model cards, weights, and quantized builds.
  </Card>

  <Card title="Get an API key" icon="key" href="https://portal.hcompany.ai/">
    Create a key on Portal-H. Free tier included.
  </Card>
</CardGroup>