Framework
PEFT
PEFT is an open-source AI framework from Hugging Face, launched in 2022, made for developers.
A library for fine-tuning large models by training only a small set of extra parameters.
Main jobs: Fine-tuning. It is open source and free to use. You can use it offline on your own machine, on your own server and through an API.
Markdown version of https://godooo.ai/en/framework/peft. Every page on this site has one: add .md to its address.
At a glance
- Type
- Framework
- Made by
- Hugging Face
- Launched
- 2022
- Galaxy
- Models & APIs
- Open source
- Yes · Apache-2.0
- Source code
- github.com/huggingface/peft
- GitHub stars
- 21,724
- How you run it
- Runs offline · Self-host · API
- Made for
- Developers
- Website
- huggingface.co
What it can do
Fine-tuningmain jobunconfirmed
“Parameter-Efficient Fine-Tuning (PEFT) methods enable efficient adaptation of large pretrained models to various downstream applications by only fine-tuning a small number of (extra) model parameters instead of all the model's parameters.”— github.com, 2026-09-24
unconfirmedproposed by a machine, awaiting calibration
Alternatives
- AxolotlOpen source, freeAlso does: Fine-tuning
- Kohya's GUIOpen source, freeAlso does: Fine-tuning
- LlamaFactoryOpen source, freeAlso does: Fine-tuning
- nanoGPTOpen source, freeAlso does: Fine-tuning
- TRLOpen source, freeAlso does: Fine-tuning
- UnslothOpen source, freeAlso does: Fine-tuning
- Hugging FaceFree plan + paid upgradesAlso does: Fine-tuning
- ModelScopeOpen source, freeAlso does: Fine-tuning
- OpenAI PlatformPaidAlso does: Fine-tuning
- falPaidAlso does: Fine-tuning
- GPT-SoVITSOpen source, freeAlso does: Fine-tuning; no code needed
- LiblibAI 哩布哩布Free plan + paid upgradesAlso does: Fine-tuning; no code needed
Connections
- Applies
- LoRA
- Integrates with
- Transformers
Questions
What is PEFT?
PEFT is an open-source AI framework from Hugging Face, launched in 2022, made for developers. A library for fine-tuning large models by training only a small set of extra parameters.
Is PEFT free?
Yes. PEFT is open source (Apache-2.0) and free to use.
Is PEFT open source?
Yes, under the Apache-2.0 license. The source code is at https://github.com/huggingface/peft.
Can PEFT run locally?
Yes. PEFT can run offline on your own machine. It can also be self-hosted on your own server.
What can PEFT do?
Main jobs: Fine-tuning.
Who makes PEFT?
PEFT is made by Hugging Face.
What are open-source alternatives to PEFT?
Open-source ones: Axolotl, Kohya's GUI, LlamaFactory, nanoGPT, TRL, Unsloth, ModelScope and GPT-SoVITS. Others: Hugging Face, OpenAI Platform, fal and LiblibAI 哩布哩布.
Sources
- github.com/huggingface/peftchecked 2026-09-24
- huggingface.co/docs/peft