kitio.aiAdded Oct 28, 2026
Axolotl
FreeOpen-source framework for fine-tuning LLMs from YAML configs
What is Axolotl?
Axolotl is an open-source tool for fine-tuning language models using a single YAML configuration file. It supports full fine-tuning, LoRA, QLoRA and preference training across many model families, and is widely used by open-model researchers.
Configs describe the base model, datasets, training method and hardware settings, so runs are easy to reproduce and share. It supports multi-GPU and multi-node training with DeepSpeed and FSDP.
Axolotl is free to use, and many cloud GPU providers offer ready-made templates for it. Example configs exist for most popular open models, so a first run can start from a working recipe.
Features
- YAML-based configs
- LoRA and QLoRA
- Preference training
- Multi-GPU support
- Many model families
Tags
Releases
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Organization
Axolotl AI
Listed by kitio.ai · unverified owner
Pricing
- Pricing model
- Free
- Paid options from
- 100% free
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Pros and cons
Pros
- Reproducible training runs
- Broad model support
- Active community configs
Cons
- Requires your own GPUs
- Config options can overwhelm
- Debugging needs ML experience
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Q&A
What is Axolotl?
Axolotl is an open-source tool for fine-tuning language models using a single YAML configuration file. It supports full fine-tuning, LoRA, QLoRA and preference training across many model families, and is widely used by open-model researchers.
How much does Axolotl cost?
Axolotl is 100% free.
Is there a free version of Axolotl?
Yes. Axolotl is completely free to use.
What are the main features of Axolotl?
YAML-based configs, LoRA and QLoRA, Preference training, Multi-GPU support, Many model families.
Who makes Axolotl?
Axolotl is made by Axolotl AI.
What are the best alternatives to Axolotl?
Popular alternatives include Unsloth, Fireworks AI, Together AI.