# tinker_cookbook.preference.PreferenceModelBuilder

## *class* [**tinker_cookbook.preference.PreferenceModelBuilder**](https://github.com/thinking-machines-lab/tinker-cookbook/blob/main/tinker_cookbook/preference/types.py#L222)()

Abstract builder that creates PreferenceModel instances.

Implementations typically hold configuration (model paths, renderer names) and construct a fully-initialized [`PreferenceModel`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/preference/preferencemodel/index.md) on `__call__`.

### [**__call__**](https://github.com/thinking-machines-lab/tinker-cookbook/blob/main/tinker_cookbook/preference/types.py#L229)()

Build and return a PreferenceModel instance.

**Returns:** *[PreferenceModel](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/preference/preferencemodel/index.md)* – A ready-to-use preference model.

## Referenced by

- [tinker_cookbook.preference.PreferenceModelBuilderFromChatRenderer](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/preference/preferencemodelbuilderfromchatrenderer/index.md)