# Release a model

There are two types of **Releases** in a modeling objective.

A **production release** represents the best current model and will power all production deployments in its modeling objective.

A **staging release** is a release that is staged to become the production release; staging releases are used in all staging deployments. A staging deployment can be used to test downstream operational uses of a model before the model is productionized. After testing, an objective owner can mark a staging release as production.

Once a model submission has been released, it can no longer be [archived](../archive-model/index.md).

## Create a new staging release

To create a new release, navigate to the modeling objective home page, scroll to the **Releases** section, select the model that you want to release, and click **Release to staging**.

![Release model to staging from home page](../../../assets/946ef7b9430875454a4400431f4572d669d877165651adfc5fa18ebbe7d43126.webp)

Alternatively, navigate to the model submission page and click **Create new release** at the top right of the page.

Give the model a release number and a release note, then click **Create release**.

![Create staging release](../../../assets/73435ec1d250b360b99568c813083de5ee3d755324bd4e9382169e67be82ad59.webp)

## Create a new production release

If a staging release meets organizational testing criteria, a staging release can be promoted to production by clicking **Mark as production** from the model submission page or from the releases section on the Modeling Objective home page.

![Create production release](../../../assets/250be23c245d9fe5c654aa069d63d19c4873946a7d17d441269024022ff1ad9c.webp)

## Release history

Every release will overwrite the previous release for that environment, and all deployments in that environment will automatically be upgraded to use the newly released model. To view a history of releases, upgrade times, and release metadata, click **Releases** from the Modeling Objective home page and view the full release history.

![Release History](../../../assets/33345212b85bf1b74f717e16d966d448ed9f95301d72618519c6f29ad9bfe06a.webp)