# Manage Model Through the History menu in GNB, you can manage your model. ## Train Model If you press the 'Train Model' button at top of the Dashboard page, the model version is updated through training data and a new one is created.

## Create Model Once a model training is done, you can check the created model along with the following information **at the top of the model list** on History page.

GNB > History > Model History > Created Model after finishing training

* Model name * Number of training/test data samples * Performance Metrics (Precision, Recall, Accuracy, F1 score) * Created time ## ## Deploy Model If you confirmed that the model has the desired performance, it can be deployed by clicking the 'Deploy' button in the Actions column.

GNB > History > Model History > Deploy button

{% hint style="info" %} When the deployment is complete, the button is displayed as Deployed as its status. {% endhint %} ## Edit/Delete Model You can edit or delete the model name through the Edit/Delete menu in the right column whenever you want.

GNB > History > Model History > Edit/Delete Model

{% hint style="warning" %} Please be careful as once deleted models cannot be restored. {% endhint %} ## Check Performance You can also check the model's performance from History page. {% content-ref url="performance-metrics" %} [performance-metrics](https://docs.allganize.ai/nlu-api-dashboard/model-management/performance-metrics) {% endcontent-ref %} {% hint style="info" %} You cannot start training another model on Dashboard before you finish applying the recently created model. \ If you want to train a new model, you can do so by **deleting 'the recently created but not deployed' model**. {% endhint %}