# Export a model to JSON

The trained CatBoost model can be saved as a JSON file. This file can be accessed later to apply the model. Refer to the CatBoost JSON model tutorial for format details.

Choose the implementation for more details.

## Python package

methods Parameters description
- save_model (CatBoost)
- save_model (CatBoostClassifier)
- save_model (CatBoostRegressor)
format The output format of the model.
Set this parameter to “json”.

## Command-line version

The following command keys can be specified for the corresponding commands and are used when the model is trained:

command Command keys description
catboost fit --model-format A comma-separated list of output model formats.
Set the value of this key to “json”.