unsloth
MLOps & Training · Free + paid
2-5x faster LLM fine-tuning with 70% less memory
At a glance
- Made by
- Unsloth
- Korean
- None (English and a few others only)
- API
- Yes
- Available on
- Windows, Mac, Linux, Web, CLI, API
- Open source
- Open source (license name not stated)
- GitHub
- 77,970 stars · Apache-2.0
What is unsloth?
Unsloth is an open-source UI that lets you run and train AI models on local hardware. It supports inference and fine-tuning of text, audio, embedding, vision, and image diffusion models, and covers more than 500 models. It states that training is 2x faster with no loss in accuracy and uses 70% less VRAM. It can serve models through an OpenAI-compatible API and connect agents such as Claude Code and Codex to local models.
- Run and train LLM, diffusion, embedding, and audio models locally
- 2x faster training, 70% less VRAM (official claim)
- Supports LoRA, QLoRA, full fine-tuning, GRPO, DPO, and FP8
- Export to GGUF, NVFP4, FP8, and more
- Serve models through an OpenAI-compatible API
- Connect agents such as Claude Code and Codex with the unsloth start command
- Build datasets from PDF, CSV, and DOCX files (Data Recipes)
Who uses unsloth and for what
- Developers fine-tune LLMs on their own PCs
- Run coding agents with local models
Pricing
What you get for free — Yes (Free: open source, single GPU)
| Plan | Price | Main limits |
|---|---|---|
| Free | 0 | Open source, single GPU, 4-bit and 16-bit LoRA |
| unsloth Pro | Contact sales | Contact us, up to 8 GPUs |
| unsloth Enterprise | Contact sales | Contact us, multi-node, customer support |
Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying. · Official pricing page
AI tools similar to unsloth (alternatives)
unsloth vs. alternatives at a glance
| AI | Pricing | Combos on the map | Connected tools | Free | Cheapest monthly | Korean |
|---|---|---|---|---|---|---|
| unsloth | Free + paid | 0 | 3 | Yes | — | No |
| Axolotl | Free + paid | 0 | 3 | Yes | — | No |
| OpenRLHF | Free + paid | 0 | 3 | — | — | No |
| TRL | Free + paid | 0 | 3 | — | — | No |
2 of these 4 tools have a free plan.
Combo and connection counts are based on the relationships recorded on AI Galaxy Map (2026-10-26); they are not a quality ranking.
unsloth on AI Galaxy Map
- One of 45 AI tools in the MLOps & Training field.
- Connected to 3 other tools — #38 in its field.
Frequently asked questions
Can I use unsloth for free?
Yes (Free: open source, single GPU). Prices can change, so check the official site before paying.
What AI can I use instead of unsloth?
Tools that do the same job, such as Axolotl, OpenRLHF, TRL, are connected to it on the map.
Can I use unsloth in Korean?
None (English and a few others only)
Sources (official pages)
Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying.