MeloTTS
High-quality multi-lingual text-to-speech library by MyShell.ai.
- Status
- UnmaintainedNo commits in 609 days.
- Last checked
- Checked · Oct 12, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
MeloTTS is a high-quality multi-lingual text-to-speech library that supports English, Spanish, French, Chinese, Japanese, and Korean. It offers developers the ability to integrate natural-sounding speech into their applications across multiple languages.
MeloTTS stands out by offering high-quality text-to-speech capabilities across multiple major world languages in an open-source library format, making it a versatile choice for multilingual applications.
When it fits — and when it doesn’t
A good fit for
Teams building multilingual applications who need high-quality TTS support across several major world languages.
Developers working on projects that require natural-sounding voice output in multiple languages.
Look elsewhere if
Projects requiring real-time speech synthesis with extremely low latency, as MeloTTS may not be optimized for such use cases.
Applications needing TTS support for languages other than the six officially supported ones.
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited support for additional languages beyond the six primary ones
Documentation and examples focus only on English, Spanish, French, Chinese, Japanese, and Korean
- 02
Performance issues with large text inputs
Benchmarks show significant processing delays for texts over 1000 characters
What it does well
Supports multiple languages including English, Spanish, French, Chinese, Japanese, and Korean.
High-quality speech synthesis for natural-sounding voice output.
Open-source with a permissive MIT license.
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up MeloTTS
Setup steps, common gotchas and what to check after 30 days.
Get the badge
A small badge for MeloTTS’s README or site: its name, “Tracked on AI Navigator”, and the availability status and check month from this page. It updates as the catalog does.
Markdown
[](https://navigateaitools.com/explorer/tool/melotts)HTML
<a href="https://navigateaitools.com/explorer/tool/melotts"><img src="https://navigateaitools.com/badge/melotts.svg" alt="MeloTTS — tracked on AI Navigator" height="58"></a>