# Quantization primitives

Below you will find the docstring of the quantization primitives exposed in bitsandbytes.

## Linear4bit (QLoRA)[[linear4bit]]

[[autodoc]] bitsandbytes.nn.Linear4bit
    - __init__

## Linear8bitLt[[linear8bit]]

[[autodoc]] bitsandbytes.nn.Linear8bitLt
    - __init__