# tinker_cookbook.hyperparam_utils.get_full_finetune_lr_multiplier

### [**tinker_cookbook.hyperparam_utils.get_full_finetune_lr_multiplier**](https://github.com/thinking-machines-lab/tinker-cookbook/blob/main/tinker_cookbook/hyperparam_utils.py#L320)( _model_name_)

Get a model-specific LR multiplier for full fine-tuning, proportional to 1/sqrt(param_count).

**Parameters:**

- [**model_name**](https://github.com/thinking-machines-lab/tinker-cookbook/blob/main/tinker_cookbook/hyperparam_utils.py#L320) ( _str_) – HuggingFace model identifier.

**Returns:** The LR multiplier for full fine-tuning.