# Spaces

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A **space** is a saved evaluation configuration: a set of models, a dataset, and a scoring config bundled into a reusable workspace. When you re-run a space, the configuration stays constant — only your iteration changes (a new prompt, a new model version, a new judge).

URL: [`stratix.layerlens.ai/dashboard/spaces`](https://stratix.layerlens.ai/dashboard/spaces)

## What you can do

* **Browse public spaces** — curated by LayerLens and partners
* **Browse private spaces** — scoped to your org
* **Create a new space**
* **Re-run an existing space** with one click
* **Compare runs** within a space — see how scores change over time

## When to use a space (vs a one-off evaluation)

* Use a space when you'll evaluate the **same configuration** multiple times — e.g., regression testing as you iterate.
* Use a one-off evaluation when you're exploring and don't need to keep the configuration around.

## Creating a private space

1. Click **New space**
2. Pick models (one or more)
3. Pick dataset / benchmark
4. Pick scoring (scorers + judges)
5. Save with a name and description

The space appears in your org's Spaces list. Anyone in your org can re-run it.

## Re-running a space

A space's runs are tracked over time. The space page shows:

* Run history with scores
* Score-over-time chart per dimension
* Latest verdict
* "Re-run" button

## Public spaces

Browse [Public evaluation spaces](/5.-select-pick-the-model/public-evaluation-spaces.md) for inspiration. You can clone a public space into a private one in your org, then customize.

## Where to next

* [Concept: Evaluation spaces](/8.-evaluate-score-the-outputs/evaluation-spaces.md)
* [Public evaluation spaces](/5.-select-pick-the-model/public-evaluation-spaces.md)
* [Evaluations](/8.-evaluate-score-the-outputs/evaluations.md)


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