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

# Editor vs Runner

> The editor and the Runner are two surfaces over the same workflow — one for building, one for rerunning.

A workflow has two faces. The **editor** is where you build it. The **Runner** is where you — or anyone you share it with — rerun it. Same workflow, same engine; different purpose.

## The editor

The editor is the infinite canvas where you build and experiment. Drop [nodes](/workflow/overview), wire them together, open a node to change its model or prompt, and run freely — a [single node](/concepts/single-node-run) to test one step, or the [full graph](/concepts/full-run) end to end. Everything is editable, all the time. Think Figma, but for AI: a place to try a model, branch a variation, and compare outputs side by side.

## The Runner

The Runner is the published, form-driven page for **rerunning a finished workflow** without touching its wiring. Blend AI builds it automatically from your [User Input](/workflow/nodes/input) nodes — each one becomes a field on the form. Fill in the fields, hit run, review the result. No canvas, no nodes, no editing. The same workflow is also exposed as an API, so code can trigger runs the same way.

## Same engine underneath

A [full run](/concepts/full-run) launched from the editor and a run launched from the Runner execute identically — same nodes, same order, same output. The only difference is purpose.

|                   | Editor                                                                     | Runner      |
| ----------------- | -------------------------------------------------------------------------- | ----------- |
| **What it's for** | Build & experiment                                                         | Run only    |
| **How you run**   | [Single-node](/concepts/single-node-run) + [full](/concepts/full-run) runs | Form inputs |
| **Editing**       | Edit anytime                                                               | No editing  |
| **Sharing**       | —                                                                          | Share / API |

<Note>
  The Runner only appears once you publish. An unpublished workflow still runs perfectly well — just inside the editor.
</Note>

## Related

<CardGroup cols={2}>
  <Card title="The Runner" icon="play" href="/concepts/runner">
    The published page that turns your inputs into a reusable form.
  </Card>

  <Card title="Running the full workflow" icon="diagram-project" href="/concepts/full-run">
    How an end-to-end run executes the whole graph.
  </Card>
</CardGroup>