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Fine-tune and deploy 600+ LLMs and 300+ multimodal models with PEFT or full-parameter training.
★ 15.8k スターApache-2.0
ガイドを見る →peftは、huggingfaceが公開しているオープンソースの開発ツールプロジェクトです（GitHub: huggingface/peft）。GitHubスターは21,769、フォークは2,560で、Apache-2.0ライセンスの下で公開されています。GitHubでの最終更新は2026年10月8日です。
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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