// ⚙ Fine-tuning & PEFT
QLoRA
Fine-tunes LoRA on a 4-bit quantized base, fitting big models on one GPU.
2023 Intermediate core
IN PLAIN WORDS
Introduces NF4, double quantization and paged optimizers, fitting 65B fine-tuning on one 48GB GPU with near-16-bit quality.
Used in: Hobbyist and small-team fine-tuning (Unsloth, Axolotl)
TIMELINE · prerequisites → this → what builds on it
01Original paper
QLoRA: Efficient Finetuning of Quantized LLMs
Tim Dettmers, Artidoro Pagnoni, Ari Holtzman, et al. · 2023
arXiv ↗ ✓ Verified · arXiv API
02Where it sits
Learn the left column first; the right column builds on this one.
Then you can learn
- Nothing in the atlas builds on it yet
Related:GPTQ
Left: prerequisites · right: builds on this · dashed: related. Full map →
03Learning resources
Official docs, explainers, courses and reference code. All links checked.
04Where the course teaches it
On learning paths:Post-training & Reasoning Models
For AI / data
- Verification: verified, checked 2026-10-21.
- JSON: /api/learn/algorithms.json (id:
qlora)