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Fine-tune and deploy 600+ LLMs and 300+ multimodal models with PEFT or full-parameter training.
★ 15,8 k étoilesApache-2.0
Voir le guide →peft est un projet de développement open source, créé par huggingface (huggingface/peft sur GitHub). Il compte 21 769 étoiles sur GitHub et 2 560 forks, il est publié sous la licence Apache-2.0 et a été mis à jour pour la dernière fois sur GitHub le 8 octobre 2026.
Fine-tune huge models on small hardware with LoRA and other efficient methods
Pick the model to adapt and a method such as LoRA that fits your memory budget.
Install the peft package from PyPI - cloning is only needed to work on the library itself.
Wrap your model with a PEFT config (for example LoraConfig) using the README quickstart.
Train on your dataset, check the trainable-parameter count, and save the small adapter.
Implements LoRA and a family of parameter-efficient methods behind one consistent API.
The README's example trains about 0.12% of a 3B model's parameters with LoRA instead of the full model.
Use PEFT models directly through the Transformers integration for training and inference.
Apply parameter-efficient tuning to diffusion models as well as language models.
Works with Accelerate for distributed/offloaded training and with TRL for RLHF-style workflows.
Combines with quantization so large models can be adapted on modest GPUs.
Get the source code from GitHub and enter the project directory.
git clone https://github.com/huggingface/peft.git
cd peftInstall from PyPI alongside Transformers and Accelerate.
pip install peftThe README quickstart loads a model, applies a LoraConfig, and prints the trainable parameter share.
from peft import LoraConfig, get_peft_model
# load a model, then:
# model = get_peft_model(model, LoraConfig(...)) - see README quickstartIt is maintained by Hugging Face and contributors on GitHub.
Yes - PEFT is Apache-2.0 licensed and free to use. Base models you adapt carry their own licenses.
No API key is needed: training and inference run locally on your hardware with open models.
Compared with full fine-tuning, PEFT trains a fraction of the parameters (often well under 1%), cutting compute and storage; compared with prompt-only methods, it actually updates model behavior.
Run pip install peft and follow the README Quickstart to wrap a model with LoRA and print its trainable parameters.
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