Coqui TTS 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 | Coqui TTS | MeloTTS |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 31 · At risk | 23 · At risk |
| Category | Self-Hosted AI | Self-Hosted AI |
| License | MPL-2.0 | MIT |
| Language | Python | Python |
| Setup difficulty | Medium | Medium |
| Min. RAM | 4,096 MB | 2,048 MB |
| Deployment | bare-metal, source, docker | docker, source |
| GitHub stars | ★ 46,056 | ★ 7,647 |
| First released | 2021 | 2024 |
| Replaces | ElevenLabs | ElevenLabs, Amazon Polly |
What are Coqui TTS and MeloTTS?
Coqui TTS
Coqui TTS is a library and toolkit for advanced text-to-speech generation, including voice cloning with the XTTS model. It supports many languages and pretrained voices for fully local speech synthesis.
- Multilingual synthesis
- XTTS voice cloning
- Many pretrained models
- Trainable on custom data
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
Coqui TTS vs MeloTTS: key differences
Both projects are written in Python. Licensing differs — MPL-2.0 for Coqui TTS versus MIT for MeloTTS. MeloTTS is the lighter option, starting around 2,048 MB of RAM against 4,096 MB for Coqui TTS. Coqui TTS is the more established project (first released 2021), while MeloTTS arrived in 2024. Coqui TTS has the considerably larger community, at 46,056 GitHub stars versus 7,647.
Why pick each one
Choose Coqui TTS if…
- XTTS voice cloning
- Many languages supported
- Fully local synthesis
Watch out for
- Upstream development slowed
- GPU needed for speed
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 Coqui TTS or MeloTTS better?
Neither is universally better. Coqui TTS has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Coqui TTS and MeloTTS free and open-source?
Yes. Coqui TTS is licensed under MPL-2.0 and MeloTTS under MIT. Both can be self-hosted at no software cost.
Can I run Coqui TTS and MeloTTS with Docker?
Coqui TTS: yes. MeloTTS: yes.
Which is lighter on resources, Coqui TTS or MeloTTS?
MeloTTS has the smaller minimum footprint at 2,048 MB of RAM, compared to about 4,096 MB for Coqui TTS. Real-world usage depends on library size, user count, and enabled features.