axolotl

Fine-tune large language models with YAML-driven LoRA, DPO, and GRPO configurations.

Updated Apr 27, 2026
One-click install
npx skills add https://github.com/x-TheFox/Corvus --skill axolotl-x-thefox
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: axolotl
Source: https://github.com/x-TheFox/Corvus/tree/main/skills/mlops/training/axolotl
Command: npx skills add https://github.com/x-TheFox/Corvus --skill axolotl-x-thefox

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Axolotl provides a declarative YAML-based workflow to fine-tune large language models using advanced techniques like LoRA, DPO, GRPO, KTO, and ORPO, simplifying complex experiment setup and reproducibility.

Core Features & Use Cases

  • YAML-driven fine-tuning configurations for LoRA/QLoRA, DPO, and GRPO.
  • End-to-end training orchestration, experiment replay, and rapid prototyping across GPU clusters.
  • Multimodal and RLHF-capable workflows via modular prompt strategies and dataset formats.

Quick Start

Create a YAML config that specifies base_model, fine-tuning method, and adapters, then run the Axolotl trainer to begin fine-tuning.

Frequently Asked Questions about axolotl

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

FAQPage Schema
How do I configure LoRA and DPO fine-tuning for large language models using YAML?

YAML-driven fine-tuning configures large language models by specifying base models, adapters, and methods like LoRA and DPO in a declarative file. This approach simplifies complex experiment setup and ensures reproducibility across multi-GPU environments.

What is GRPO and when do I need it for LLM fine-tuning?

GRPO is an advanced reinforcement learning technique used for fine-tuning large language models. You need GRPO when aligning model outputs with specific reward signals, which can be orchestrated alongside LoRA and DPO using declarative YAML configurations.

Can I use distributed training across multi-GPU environments for LLM fine-tuning?

Distributed training across multi-GPU environments is fully supported for LLM fine-tuning. The workflow handles end-to-end training orchestration and rapid prototyping across GPU clusters using YAML-driven configurations.

Do I need specific Python packages installed to run YAML-based LLM fine-tuning?

You need the Axolotl package installed along with compatible versions of PyTorch, Transformers, Datasets, and PEFT. These dependencies must be available in your environment to run the YAML-driven trainer for large language models.

What's the best way to set up multimodal and RLHF workflows for large language models?

The best way to set up multimodal and RLHF workflows is through modular prompt strategies and dataset formats. YAML configurations enable these complex workflows, allowing rapid prototyping and end-to-end training orchestration.

Why use declarative YAML configs instead of scripts for LLM fine-tuning?

Declarative YAML configs simplify complex experiment setup and ensure reproducibility for LLM fine-tuning. By defining base models, methods, and adapters in YAML, you streamline experiment replay and orchestration across distributed training environments.