# tf.keras.models.model_from_yaml

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| [![](https://www.tensorflow.org/images/GitHub-Mark-32px.png) View source on GitHub](https://github.com/keras-team/keras/tree/v2.13.1/keras/saving/legacy/model_config.py#L74-L97) |

Parses a yaml model configuration file and returns a model instance.

#### View aliases


**Compat aliases for migration**

See
[Migration guide](https://www.tensorflow.org/guide/migrate) for
more details.

\`tf.compat.v1.keras.models.model_from_yaml\`

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    tf.keras.models.model_from_yaml(
        yaml_string, custom_objects=None
    )

> [!NOTE]
> **Note:** Since TF 2.6, this method is no longer supported and will raise a RuntimeError.

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| ## Args ||
|---|---|
| `yaml_string` | YAML string or open file encoding a model configuration. |
| `custom_objects` | Optional dictionary mapping names (strings) to custom classes or functions to be considered during deserialization. |

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| ## Returns ||
|---|---|
| A Keras model instance (uncompiled). ||

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| ## Raises ||
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| `RuntimeError` | announces that the method poses a security risk |

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