# Kohya's GUI

Product · https://godooo.ai/en/product/kohya-ss

> Kohya's GUI is an open-source AI app, launched in 2022, made for developers.

A desktop GUI for training LoRA and fine-tuning Stable Diffusion, SDXL and FLUX models.

Main jobs: Fine-tuning. It is open source and free to use. You can use it on your own server, offline on your own machine, in the terminal and in the browser.

## At a glance

- **Type:** [Product](https://godooo.ai/en/browse#product)
- **Launched:** 2022
- **Galaxy:** [Image](https://godooo.ai/en/galaxy/image)
- **Pricing:** Open source, free
- **Open source:** Yes · Apache-2.0
- **Source code:** [github.com/bmaltais/kohya\_ss](https://github.com/bmaltais/kohya_ss)
- **GitHub stars:** 12,598
- **How you run it:** Self-host · Runs offline · Terminal · Web
- **Made for:** Developers
- **Website:** [github.com](https://github.com/bmaltais/kohya_ss)
- **Also known as:** kohya\_ss

## What it can do

- **[Fine-tuning](https://godooo.ai/en/capability/fine-tuning)** — main job, _proposed by a machine, awaiting calibration_. “Support for LoRA, LoHa, LoKr, Dreambooth, fine-tuning, and Textual Inversion training.” (read on [github.com](https://github.com/bmaltais/kohya_ss), 2026-09-24)
- **[Model training](https://godooo.ai/en/capability/model-training)** — supported, _proposed by a machine, awaiting calibration_. “This is a GUI and CLI for training diffusion models.” (read on [github.com](https://github.com/bmaltais/kohya_ss), 2026-09-24)

## Alternatives

- **[nanoGPT](https://godooo.ai/en/framework/nanogpt)** (Open source, free): Also does: Fine-tuning, Model training
- **[LlamaFactory](https://godooo.ai/en/framework/llamafactory)** (Open source, free): Also does: Fine-tuning, Model training
- **[TRL](https://godooo.ai/en/framework/trl)** (Open source, free): Also does: Fine-tuning, Model training
- **[Unsloth](https://godooo.ai/en/framework/unsloth)** (Open source, free): Also does: Fine-tuning, Model training
- **[Axolotl](https://godooo.ai/en/framework/axolotl)** (Open source, free): Also does: Fine-tuning
- **[MLX](https://godooo.ai/en/framework/mlx)** (Open source, free): Also does: Model training, Fine-tuning
- **[PEFT](https://godooo.ai/en/framework/peft)** (Open source, free): Also does: Fine-tuning
- **[Hugging Face](https://godooo.ai/en/product/huggingface)** (Free plan + paid upgrades): Also does: Fine-tuning, Model training
- **[ModelScope](https://godooo.ai/en/product/modelscope)** (Open source, free): Also does: Fine-tuning, Model training
- **[Sentence Transformers](https://godooo.ai/en/framework/sentence-transformers)** (Open source, free): Also does: Fine-tuning, Model training
- **[Together AI](https://godooo.ai/en/product/together)** (Paid): Also does: Fine-tuning, Model training
- **[Modal](https://godooo.ai/en/product/modal)** (Paid): Also does: Fine-tuning, Model training

## Connections

- **Applies:** [LoRA](https://godooo.ai/en/concept/lora)

## Questions

### What is Kohya's GUI?

Kohya's GUI is an open-source AI app, launched in 2022, made for developers. A desktop GUI for training LoRA and fine-tuning Stable Diffusion, SDXL and FLUX models.

### Is Kohya's GUI free?

Yes. Kohya's GUI is open source (Apache-2.0) and free to use.

### Is Kohya's GUI open source?

Yes, under the Apache-2.0 license. The source code is at https://github.com/bmaltais/kohya\_ss.

### Can Kohya's GUI run locally?

Yes. Kohya's GUI can run offline on your own machine. It can also be self-hosted on your own server.

### What can Kohya's GUI do?

Main jobs: Fine-tuning. It can also do: Model training.

### What are open-source alternatives to Kohya's GUI?

Open-source ones: nanoGPT, LlamaFactory, TRL, Unsloth, Axolotl, MLX, PEFT and ModelScope. Others: Hugging Face, Together AI and Modal.

## Sources

- [github.com](https://github.com/bmaltais/kohya_ss) — checked 2026-09-24

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Last updated 2026-09-24 · sources checked 2026-09-24 · Markdown version of https://godooo.ai/en/product/kohya-ss. Every page on this site has one: add .md to its address.