unsloth

Accelerate LoRA/QLoRA fine-tuning while reducing VRAM usage.

Updated Apr 20, 2026
One-click install
npx skills add https://github.com/matthew-johnson/hermes-agent --skill unsloth-matthew-johnson
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: unsloth
Source: https://github.com/matthew-johnson/hermes-agent/tree/main/skills/mlops/training/unsloth
Command: npx skills add https://github.com/matthew-johnson/hermes-agent --skill unsloth-matthew-johnson

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Fine-tuning large language models with LoRA/QLoRA can be slow and VRAM-intensive. Unsloth provides memory-efficient, faster training workflows that dramatically reduce resource usage.

Core Features & Use Cases

  • Memory-efficient fine-tuning with 4-bit QLoRA and adapter-based training.
  • Supports PyTorch, transformers, and common RL/Fine-tuning stacks for Llama, Gemma, Qwen, etc.
  • Use cases include local development, cloud GPU farms, and edge deployments where VRAM is limited.

Quick Start

Run Unsloth to fine-tune your model with LoRA/QLoRA adapters on your dataset.

Frequently Asked Questions about unsloth

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I speed up LoRA fine-tuning while reducing VRAM usage on a local GPU?

You can speed up LoRA fine-tuning and reduce VRAM usage by using Unsloth to optimize your pipeline with 4-bit quantization and adapter-based training. This allows efficient training on local workstations or cloud GPUs with limited memory.

What is QLoRA fine-tuning and when do I need it for training large language models?

QLoRA fine-tuning is a memory-efficient technique using 4-bit quantization and adapters to train large language models. You need it when working in memory-constrained environments like local development or edge deployments where standard training consumes too much VRAM.

Can I fine-tune Llama and Gemma models using PyTorch and transformers with limited VRAM?

Yes, you can fine-tune Llama, Gemma, and Qwen models using PyTorch and transformers with limited VRAM. Unsloth integrates with these common ML libraries to provide memory-efficient, faster training workflows for memory-constrained environments.

What's the best way to set up my Python environment for memory-efficient LLM training?

The best way to set up for memory-efficient LLM training is installing Python with Unsloth alongside common ML libraries like torch, transformers, trl, datasets, and peft. You also need a GPU with sufficient VRAM to run the optimized 4-bit quantization workflows.

Why does my QLoRA training pipeline run out of memory on my local workstation?

QLoRA training pipelines run out of memory when standard workflows do not optimize VRAM usage. Using Unsloth accelerates LoRA and QLoRA training while dramatically reducing resource consumption, enabling fine-tuning on local workstations with limited VRAM.

Does Unsloth work with reinforcement learning stacks like trl for adapter-based training?

Yes, Unsloth works with common RL and fine-tuning stacks like trl. It supports PyTorch and transformers for adapter-based training across models like Llama, Gemma, and Qwen, optimizing the entire fine-tuning pipeline for speed and memory efficiency.