PEFT (Hugging Face)

https://github.com/huggingface/peft

Hugging Face's PEFT library — LoRA, AdaLoRA, IA3, Prefix Tuning, P-Tuning. Standard interface for adapter-style fine-tuning.

At a glance

Type
Parameter-efficient fine-tuning
Tier
T1
Created
2022
Latest release
searched not found
License
Apache-2.0
Pricing
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Funding
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Taxonomy

storage
n/a
retrieval
n/a
persistence
n/a
update
n/a
unit
n/a
governance
n/a
conflict
n/a

When to use

Optimised for: searched not found

Anti-fit: searched not found

Pros & cons

Pros

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Cons

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Claims & capabilities

~16k★; widely used for OSS LLM fine-tunes.

Technical surface

API surface
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Backend storage
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Deployment
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Embedding model
not applicable — not a memory product
Multi-tenancy
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MCP
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A2A
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OpenTelemetry
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Similar systems

Other training infrastructure in the catalog, ranked by inbound references.

  • Azure Machine Learning T1

    Microsoft Azure's managed ML platform — pipelines, AutoML, Designer, prompt flow (LLM). Heavy integration with Azure OpenAI and Azure AI Studio.

  • LoRA T3

    Microsoft Research's Low-Rank Adapters method — trains rank-r matrices added to attention weights; 10000x parameter reduction. Foundation of all adapter-style fine-tuning.

  • DPO T3

    Stanford method that converts RLHF into a supervised-learning loss over preference pairs — no separate reward model needed; widely adopted alignment recipe.

  • GRPO T3

    DeepSeek-Math's GRPO — group-relative advantage estimation replacing PPO's critic. Used in DeepSeek-R1 reasoning post-training; widely adopted in OSS reasoning RLHF.

  • Accelerate (Hugging Face) T1

    Hugging Face's abstraction over distributed-training backends (DDP, FSDP, DeepSpeed, Megatron). Minimal code change to scale a PyTorch script.

  • Argilla T2

    Open-source data-quality platform for LLM training data — human-in-the-loop labelling, RLHF data collection, dataset curation. Acquired by Hugging Face 2024.

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