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Get from zero to your first Holo request in three steps. If you want the model lineup, capabilities, and pricing first, see Models; for what Holo is and the ways to use it, see the overview.

Get started

1

Get an API key

Generate a key on Portal-H and export it. The free tier gives rate-limited access to holo3-1-35b-a3b and does not ask for a credit card.
2

Install the OpenAI client

The Models API is OpenAI-compatible, so the official client works as-is, only the base_url changes.
3

Make your first request

Point the client at H by overriding base_url, then send a request. Holo is multimodal: you can send text, images, or both. Here is a minimal text request to confirm your key and client are working.
The same API and code paths work for all models; swap model for holo3-122b-a10b when you need maximum performance (model comparison).That is the whole setup. To use Holo on real screens, send a screenshot and continue with the agent loop or element localization below.

Next steps

Agent loop

How to use Holo in your computer-use harness.

Element localization

Get click coordinates from a screenshot.

Models

IDs, limits, pricing, and lifecycle.