LoRA

Pronounced “low-rah”. Check its meaning and usage context with sources.

LoRA
low-rah

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The answer in 30 seconds

LoRA stands for Low-Rank Adaptation. It freezes the original model weights and trains low-rank update matrices, reducing the number of parameters that need to be optimized for an adaptation.

A parameter-efficient method for adapting a pretrained model with low-rank updates.

LoRAWhat does it stand for?

Meanings by domain

AI model training

Low-Rank Adaptation

A low-rank update method for adapting model weights

A method that keeps pretrained weights frozen and learns low-rank update matrices for task or domain adaptation.

Official source

Domains and contexts

Usage contexts in the published data

Fine-tuningGenerative AIModel adaptation

Review notes

Points that prevent overclaiming

LoRA is one PEFT method. Rank, target layers, training data, and the base model affect the resulting adapter.

LoRAFrequently asked questions

Expansions and usage

What does LoRA stand for?
It can stand for Low-Rank Adaptation (A low-rank update method for adapting model weights). 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

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