# Unsloth

Fine-tunes LLMs, diffusion, TTS and embedding models 2x faster with ~70% less VRAM than standard Hugging Face training. Unsloth is free, with no paid plan attached, at unsloth.ai.

## Facts

- **Pricing tier:** Free
- **Works on:** Windows, macOS, Linux, CLI, Self-hosted
- **Works in browser:** No

## Capabilities

- Fine-tunes LLMs, diffusion, TTS and embedding models 2x faster with ~70% less VRAM than standard Hugging Face training
- Free Google Colab notebooks let anyone fine-tune open models like Llama/Qwen/GLM on a free T4 GPU
- Supports LoRA, QLoRA, full fine-tuning, GRPO and DPO reinforcement/preference tuning in one library

## FAQ

### What is Unsloth?

Unsloth is listed under Fine-Tuning & Training Frameworks, in the AI Models & Local Execution category on Flocci AI Tools. Fine-tunes LLMs, diffusion, TTS and embedding models 2x faster with ~70% less VRAM than standard Hugging Face training. It is free, with no paid plan attached, and it lives at unsloth.ai.

### Is Unsloth free?

Unsloth is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 396 entries on Flocci AI Tools with no upgrade path built in.

### Can I use Unsloth in a browser, or is there an app?

Unsloth needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on Windows, Mac, Linux, the command line and self-hosting.

### What can Unsloth do?

Unsloth does 3 things the catalog singles out: Fine-tunes llms, diffusion, tts and embedding models 2x faster with ~70% less vram than standard hugging face training; free google colab notebooks let anyone fine-tune open models like llama/qwen/glm on a free t4 gpu; supports lora, qlora, full fine-tuning, grpo and dpo reinforcement/preference tuning in one library.

### What is the best free alternative to Unsloth?

LLaMA-Factory is the closest free alternative: it sits in the same Fine-Tuning & Training Frameworks sub-category and is free. AI Toolkit (Ostris), Axolotl and LitGPT also start free. The full list is on the alternatives page.

## Related

- [Unsloth alternatives](https://aitools.flocci.in/alternatives/unsloth)
- [Fine-Tuning & Training Frameworks](https://aitools.flocci.in/category/ai-models-local-execution/fine-tuning-training-frameworks)
- [Best free AI fine-tuning and training frameworks](https://aitools.flocci.in/best/best-fine-tuning-training-frameworks)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/unsloth

Facts last verified: October 2026