PEFT

Pronounced “peff”. Check its meaning and usage context with sources.

PEFT
peff

Official source

The answer in 30 seconds

PEFT stands for Parameter-Efficient Fine-Tuning. Instead of updating every model parameter, PEFT methods train a smaller set of added or selected parameters to adapt a pretrained model.

A family of methods that adapts a model by training only a small set of parameters.

PEFTWhat does it stand for?

Meanings by domain

AI model training

Parameter-Efficient Fine-Tuning

Adapting a model by updating fewer parameters

A family of fine-tuning methods that adapts a pretrained model while training only a small subset of parameters.

Official source

Domains and contexts

Usage contexts in the published data

Fine-tuningLarge language modelsModel deployment

Review notes

Points that prevent overclaiming

PEFT covers multiple methods with different memory, quality, and deployment trade-offs; it is broader than one particular adapter technique.

PEFTFrequently asked questions

Expansions and usage

What does PEFT stand for?
It can stand for Parameter-Efficient Fine-Tuning (Adapting a model by updating fewer parameters). The intended meaning depends on the surrounding context.

Related terms

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Sources and verification

Verification date and sources

Status

Official source

Last verified

Aug 21, 2026

This entry is based on researched sources and item-level verification notes.

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