Framework
Unsloth
Unsloth is an open-source AI framework, launched in 2023, made for developers.
A framework and local app for fine-tuning and running LLMs faster and with less memory.
Main jobs: Fine-tuning. It is open source and free to use. You can use it offline on your own machine, as a desktop app, in the terminal, through an API and on your own server.
Markdown version of https://godooo.ai/en/framework/unsloth. Every page on this site has one: add .md to its address.
At a glance
- Type
- Framework
- Launched
- 2023
- Galaxy
- Models & APIs
- Open source
- Yes · Apache-2.0
- Source code
- github.com/unslothai/unsloth
- GitHub stars
- 76,689
- How you run it
- Runs offline · Desktop · Terminal · API · Self-host
- Made for
- Developers
- Website
- unsloth.ai
- Also known as
- Unsloth Studio
What it can do
Fine-tuningmain jobunconfirmed
“Fine-tuning: Train LLMs, diffusion, TTS, and embedding models 2× faster with 70% less VRAM with no accuracy loss”— unsloth.ai, 2026-09-24
Model trainingsupportedunconfirmed
“Complete support: Supports reinforcement learning , LoRA, QLoRA, full fine tuning, pretraining, RL, GRPO, DPO, and FP8.”— unsloth.ai, 2026-09-24
Run models locallysupportedunconfirmed
“Unsloth lets you run and train AI models on your own local hardware via an open-source UI.”— unsloth.ai, 2026-09-24
unconfirmedproposed by a machine, awaiting calibration
Alternatives
- MLXOpen source, freeAlso does: Model training, Run models locally, Fine-tuning
- nanoGPTOpen source, freeAlso does: Fine-tuning, Model training
- Kohya's GUIOpen source, freeAlso does: Fine-tuning, Model training
- LlamaFactoryOpen source, freeAlso does: Fine-tuning, Model training
- TRLOpen source, freeAlso does: Fine-tuning, Model training
- AxolotlOpen source, freeAlso does: Fine-tuning
- PEFTOpen source, freeAlso does: Fine-tuning
- Hugging FaceFree plan + paid upgradesAlso does: Fine-tuning, Model training
- ModelScopeOpen source, freeAlso does: Fine-tuning, Model training
- Sentence TransformersOpen source, freeAlso does: Fine-tuning, Model training
- Together AIPaidAlso does: Fine-tuning, Model training
- ModalPaidAlso does: Fine-tuning, Model training
Connections
Questions
What is Unsloth?
Unsloth is an open-source AI framework, launched in 2023, made for developers. A framework and local app for fine-tuning and running LLMs faster and with less memory.
Is Unsloth free?
Yes. Unsloth is open source (Apache-2.0) and free to use.
Is Unsloth open source?
Yes, under the Apache-2.0 license. The source code is at https://github.com/unslothai/unsloth.
Can Unsloth run locally?
Yes. Unsloth can run offline on your own machine. It can also be self-hosted on your own server.
What can Unsloth do?
Main jobs: Fine-tuning. It can also do: Model training, Run models locally.
What are open-source alternatives to Unsloth?
Open-source ones: MLX, nanoGPT, Kohya's GUI, LlamaFactory, TRL, Axolotl, PEFT and ModelScope. Others: Hugging Face, Together AI and Modal.
Sources
- unsloth.ai/docschecked 2026-09-24
- github.com/unslothai/unsloth