Library / SDK
Fine-tuning & Training
torchtune
1A 2PyTorch-native 3library 4for 5finetuning 6LLMs.
the six Ws · specification
W1
Who
Maintained by the PyTorch team.
W2
What
Offers hackable recipes for fine-tuning and evaluating language models.
W3
Where
A Python library on local or cloud GPUs.
W4
When
When fine-tuning an open model from recipes.
W5
Why
Native PyTorch fine-tuning without heavy abstractions.
W6
With
PyTorch, and optional Hugging Face weights.
W7
Watch
Official PyTorch project, BSD-licensed, no credentials; runs on your GPUs.