Comparison
MeloTTS vs dia
Verdict
Pick MeloTTS if meloTTS is an MIT-licensed Python library for high-quality multi-lingual text-to-speech, supporting English, Spanish, French, Chinese, Japanese and Korean; pick dia if dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue.
Markdown twin · MeloTTS alternatives · dia alternatives
GraphCanon updated Sep 20, 2026
9views this month
Trust & integrity
| Signal | MeloTTS | dia |
|---|---|---|
| Maintenance | Dormant (634d since push) As of Sep 20, 2026 · github_public_v1 | Slowing (304d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 20, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 20, 2026 · github_public_v1 |
| OSV dependency advisories | Published findings As of Jul 11, 2026 · osv@v1 | No lockfile (source not queried) As of Jul 11, 2026 · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- MeloTTS
- High-quality multi-lingual text-to-speech library by MyShell.ai
- dia
- A TTS model for generating ultra-realistic dialogue
Stars
- MeloTTS
- 7.6k
- dia
- 19k
Forks
- MeloTTS
- 1.1k
- dia
- 1.7k
Open issues
- MeloTTS
- 232
- dia
- 91
Language
- MeloTTS
- Python
- dia
- Python
Adopt for
- MeloTTS
- MeloTTS is an MIT-licensed Python library for high-quality multi-lingual text-to-speech, supporting English, Spanish, French, Chinese, Japanese and Korean.
- dia
- Dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue.
Persona
- MeloTTS
- -
- dia
- -
Runtime
- MeloTTS
- -
- dia
- -
License
- MeloTTS
- MIT
- dia
- Apache-2.0
Last pushed
- MeloTTS
- Dec 24, 2024
- dia
- Nov 19, 2025
Categories
- MeloTTS
- Speech & Audio
- dia
- Speech & Audio
Trust and health
Maintenance
- MeloTTS
- Dormant (18%)
- dia
- Slowing (36%)
Days since push
- MeloTTS
- 634d
- dia
- 304d
Open issues (now)
- MeloTTS
- 232
- dia
- 91
Stars delta
- MeloTTS
- +93 (30d)
- dia
- +39 (30d)
OSV dependency advisories
- MeloTTS
- Published findings
- dia
- No lockfile (source not queried)
Full report
- MeloTTS
- Trust report
- dia
- Trust report
Choose MeloTTS if…
- License: MeloTTS is MIT, dia is Apache-2.0.
- Tags unique to MeloTTS: chinese, english, french, japanese.
- MeloTTS ships Docker support for self-hosted deployment.
- If your project requires support for a broad language range including less common languages like Japanese or Korean in a TTS solution.
When NOT to use MeloTTS
- If your application's required languages are not covered by MeloTTS, such as Arabic or Russian.
- In situations where you need more customization options for TTS than what the library provides out-of-the-box.
Choose dia if…
- License: dia is Apache-2.0, MeloTTS is MIT.
- Tags unique to dia: dialogue-generation, tts.
- When you require precise control over voice and script in the creation of highly realistic dialogues
When NOT to use dia
- If your setup lacks a GPU, as Dia has not yet added CPU support
- In scenarios where immediate real-time performance is critical since the first run could be longer due to additional codec downloads
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (myshell-ai/MeloTTS) · observed Sep 20, 2026
- GitHub forks (myshell-ai/MeloTTS) · observed Sep 20, 2026
- Last push (myshell-ai/MeloTTS) · observed Dec 24, 2024
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (nari-labs/dia) · observed Sep 20, 2026
- GitHub forks (nari-labs/dia) · observed Sep 20, 2026
- Last push (nari-labs/dia) · observed Nov 19, 2025
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: MeloTTS 7.6k · dia 19k (synced Sep 20, 2026).
Common questions
- What is the difference between MeloTTS and dia?
- MeloTTS: High-quality multi-lingual text-to-speech library by MyShell.ai. dia: A TTS model for generating ultra-realistic dialogue. See the comparison table for live GitHub stats and shared categories.
- When should I choose MeloTTS over dia?
- Choose MeloTTS over dia when License: MeloTTS is MIT, dia is Apache-2.0; Tags unique to MeloTTS: chinese, english, french, japanese; MeloTTS ships Docker support for self-hosted deployment; If your project requires support for a broad language range including less common languages like Japanese or Korean in a TTS solution.
- When should I choose dia over MeloTTS?
- Choose dia over MeloTTS when License: dia is Apache-2.0, MeloTTS is MIT; Tags unique to dia: dialogue-generation, tts; When you require precise control over voice and script in the creation of highly realistic dialogues.
- When should I avoid MeloTTS?
- If your application's required languages are not covered by MeloTTS, such as Arabic or Russian. In situations where you need more customization options for TTS than what the library provides out-of-the-box.
- When should I avoid dia?
- If your setup lacks a GPU, as Dia has not yet added CPU support In scenarios where immediate real-time performance is critical since the first run could be longer due to additional codec downloads
- Is MeloTTS or dia more popular on GitHub?
- dia has more GitHub stars (19,400 vs 7,644). Stars measure visibility, not whether either tool fits your constraints.
- Are MeloTTS and dia open source?
- Yes - both are open-source projects on GitHub (MeloTTS: MIT, dia: Apache-2.0).
- Where can I find alternatives to MeloTTS or dia?
- GraphCanon lists graph-backed alternatives at MeloTTS alternatives and dia alternatives (MeloTTS markdown twin, dia markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, MeloTTS or dia?
- MeloTTS: Dormant. dia: Slowing. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for MeloTTS and dia?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: MeloTTS trust report; dia trust report.