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EnglishIs miku.gg Open Source and Free to Use?
Updated
Yes. According to the miku.gg documentation, Miku.gg is an open source chatbot platform that is "open-source and free to use." You can download the source code and run your own chatbot, or try the live demo instead. The documentation describes the demo as a beta.
What "Open Source and Free to Use" Means Here
The documentation states two things directly:
- Open source — the source code is available for download, so you can inspect, modify, and self-host it.
- Free to use — the documentation describes it as free to use.
Note that the documentation does not list any pricing tiers, paid plans, or payment platforms. It also does not state terms about commercial use, redistribution, or licensing beyond the "open source" label. If those details matter for your situation, check the repository's license file rather than assuming.
What You Get With the Source Code
Running your own instance gives you control over the setup. Based on the documented features:
| Feature | What it means for you |
|---|---|
| Open source | Download the code and run your own chatbot |
| OpenAI-like API compatibility | Currently works with Aphrodite, TextGen WebUI (ooba), and Tabby |
| Emotion images and TTS | Bots can show emotion through images and speak via TTS |
| TTS providers | Currently supports Azure TTS, NovelAI, and ElevenLabs |
| Emotion analysis | Done with local SBERT embeddings |
| Customizable | Create your own bots or edit existing ones |
| Bot directory | Share, download, or try bots without running anything locally |
The API compatibility point is the practical one: Miku.gg is not tied to a single model provider. You point it at an OpenAI-like API endpoint, and the documented options are Aphrodite, TextGen WebUI, and Tabby.
Self-Hosting vs. the Live Demo
The documentation presents two paths, and they differ in what you control:
- Self-hosted (download the source code): You run the platform yourself. This is where customization and local components matter — for example, emotion analysis runs on local SBERT embeddings, so that part does not depend on an external service.
- Live demo: A hosted beta demo you can try without running anything locally. The documentation labels it "Beta demo," so treat it as a preview rather than a production setup.
If your goal is just to see how the bots behave, the demo is the lower-effort starting point. If your goal is to customize bots, choose your own API backend, or keep data on your own machine, the source code path is the one the documentation points to.
The Bot Directory as a Middle Option
The documentation also mentions a bot directory where you can "share, download or try out bots without the need to run it locally." That sits between the two paths: you get access to existing bots without hosting the platform, but you are not running your own instance either.
Common Points to Check Before Deciding
- Which API backend you will use. The documentation lists Aphrodite, TextGen WebUI, and Tabby as current options. If you already run one of these, setup is more direct.
- Which TTS provider you want. Azure TTS, NovelAI, and ElevenLabs are the documented options. These are third-party services, so their own terms and any costs are separate from Miku.gg being free.
- Whether you need the demo or a self-hosted instance. The demo is beta; self-hosting is what the "download the source code" description covers.
The short answer to the original question: Miku.gg is documented as open source and free to use, and you can either download and run it yourself or use the live demo.