Kokoro vs MeloTTS
A side-by-side comparison of two self-hosted self-hosted ai options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Kokoro | MeloTTS |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 44 · Fair | 23 · At risk |
| Category | Self-Hosted AI | Self-Hosted AI |
| License | Apache-2.0 | MIT |
| Language | JavaScript | Python |
| Setup difficulty | Medium | Medium |
| Min. RAM | 4,096 MB | 2,048 MB |
| Deployment | source, docker | docker, source |
| GitHub stars | ★ 8,968 | ★ 7,647 |
| First released | 2024 | 2024 |
| Replaces | ElevenLabs, OpenAI TTS | ElevenLabs, Amazon Polly |
What are Kokoro and MeloTTS?
Kokoro
Kokoro is an open-weight text-to-speech model with a small parameter count that produces natural-sounding speech. It can be self-hosted with an OpenAI-compatible API wrapper for local speech synthesis.
- Small high-quality model
- Multiple voice presets
- Low resource usage
- Runs offline
MeloTTS
MeloTTS is an open-source multilingual text-to-speech library from MyShell that supports several languages and accents with fast CPU inference. It can be self-hosted to generate natural speech without cloud services.
- Multilingual speech synthesis
- Real-time CPU inference
- Multiple English accents
- Open weights
Kokoro vs MeloTTS: key differences
Kokoro is written in JavaScript, while MeloTTS is built with Python. Licensing differs — Apache-2.0 for Kokoro versus MIT for MeloTTS. MeloTTS is the lighter option, starting around 2,048 MB of RAM against 4,096 MB for Kokoro.
Why pick each one
Choose Kokoro if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Mature project with 9k GitHub stars
- Written in JavaScript
Choose MeloTTS if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Mature project with 7.6k GitHub stars
- Written in Python
Frequently asked questions
Is Kokoro or MeloTTS better?
Neither is universally better. Kokoro has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Kokoro and MeloTTS free and open-source?
Yes. Kokoro is licensed under Apache-2.0 and MeloTTS under MIT. Both can be self-hosted at no software cost.
Can I run Kokoro and MeloTTS with Docker?
Kokoro: yes. MeloTTS: yes.
Which is lighter on resources, Kokoro or MeloTTS?
MeloTTS has the smaller minimum footprint at 2,048 MB of RAM, compared to about 4,096 MB for Kokoro. Real-world usage depends on library size, user count, and enabled features.