Unsloth
Fine-tune LLMs 2x faster on one GPU
Fine-tuningFine-tuning libraryApache-2.0Runs locallyPythonIntermediate
A high count usually means the project is heavily examined. A low count usually means it is little examined — not that it is safe.
No public activity signals for this tool — it has no open repository we can measure.
🐳 Docker pulls
📦 PyPI downloads / month
📦 npm downloads / month
🚀 Latest release ·
What is Unsloth?
Unsloth makes LLM fine-tuning dramatically faster and more memory-efficient, letting you train on a single consumer GPU with minimal code.
Why people choose Unsloth
- Up to 2x faster training, far less VRAM
- Runs on a single consumer GPU
- Simple, well-documented notebooks
Unsloth at a glance
| Category | Fine-tuning |
| Type | Fine-tuning library |
| License | Apache-2.0 |
| Runs locally | Yes |
| Built with | Python |
| Skill level | Intermediate |
| Best for | solo devs fine-tuning on one GPU |
Latest releases
Open-source alternatives to Unsloth
Other open-source fine-tuning tools worth comparing:
AxolotlConfig-driven fine-tuning for many models
LLaMA-FactoryFine-tune 100+ models with a UI
PEFTLoRA and friends from Hugging FaceTRLAlign LLMs (SFT, DPO, PPO)
TorchtunePyTorch-native post-training, hackable recipes
Llama CookbookOfficial recipes to fine-tune Llama
ms-swiftFine-tune 500+ LLMs and VLMsUnsloth head-to-head
Unsloth vs AxolotlUnsloth vs LLaMA-FactoryUnsloth vs PEFTUnsloth vs TRLUnsloth vs TorchtuneUnsloth vs Llama CookbookUnsloth vs ms-swift
FAQ
Is Unsloth free?
Unsloth is free and open-source (Apache-2.0 license), so you can use, self-host and modify it at no cost.
Can I run Unsloth locally?
Yes. Unsloth is designed to run on your own machine or server, keeping your data private.
What is the best alternative to Unsloth?
Popular open-source alternatives include Axolotl, LLaMA-Factory, PEFT. See the comparisons above to choose.
Explore more open-source AI
Browse the full directory of open-source AI tools, models and projects — updated daily.
Browse all tools →