# tinker_cookbook.tokenizer_utils.is_tokenizer_registered

### [**tinker_cookbook.tokenizer_utils.is_tokenizer_registered**](https://github.com/thinking-machines-lab/tinker-cookbook/blob/main/tinker_cookbook/tokenizer_utils.py#L158)( _name_)

Check if a tokenizer name is registered.

**Parameters:**

- [**name**](https://github.com/thinking-machines-lab/tinker-cookbook/blob/main/tinker_cookbook/tokenizer_utils.py#L158) ( _str_) – The tokenizer name to check.

**Returns:** _bool_ – True if the name has been registered via [`register_tokenizer`](https://tinker-docs.thinkingmachines.ai/cookbook/api-reference/tokenizer_utils/register_tokenizer/).