Comparison
dia vs supertonic
Verdict
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; pick supertonic if supertonic provides fast multilingual TTS on-device using ONNX runtime, native to Swift with wide language support.
Markdown twin · dia alternatives · supertonic alternatives
GraphCanon updated Sep 20, 2026
7views this month
Trust & integrity
| Signal | dia | supertonic |
|---|---|---|
| Maintenance | Slowing (304d since push) As of Sep 20, 2026 · github_public_v1 | Archived (11d 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 | No lockfile (source not queried) 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
- dia
- A TTS model for generating ultra-realistic dialogue
- supertonic
- Lightning-Fast On-Device Multilingual TTS via ONNX
Stars
- dia
- 19k
- supertonic
- 14k
Forks
- dia
- 1.7k
- supertonic
- 1.5k
Open issues
- dia
- 91
- supertonic
- 131
Language
- dia
- Python
- supertonic
- Swift
Adopt for
- dia
- Dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue.
- supertonic
- Supertonic provides fast multilingual TTS on-device using ONNX runtime, native to Swift with wide language support.
Persona
- dia
- -
- supertonic
- -
Runtime
- dia
- -
- supertonic
- -
License
- dia
- Apache-2.0
- supertonic
- MIT
Last pushed
- dia
- Nov 19, 2025
- supertonic
- Sep 9, 2026
Categories
- dia
- Speech & Audio
- supertonic
- Speech & Audio
Trust and health
Maintenance
- dia
- Slowing (36%)
- supertonic
- Archived (8%)
Days since push
- dia
- 304d
- supertonic
- 11d
Archived on GitHub
- dia
- No
- supertonic
- Yes
Open issues (now)
- dia
- 91
- supertonic
- 131
Stars delta
- dia
- +39 (30d)
- supertonic
- +242 (30d)
Open issues delta
- dia
- 0 (30d)
- supertonic
- +5 (30d)
Full report
- dia
- Trust report
- supertonic
- Trust report
Shared compatibility
- Python · dia: Python runtime · supertonic: Python runtime
Choose dia if…
- dia is primarily Python; supertonic is Swift.
- License: dia is Apache-2.0, supertonic is MIT.
- Tags unique to dia: dialogue-generation, text-to-speech, 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
Choose supertonic if…
- supertonic is primarily Swift; dia is Python.
- License: supertonic is MIT, dia is Apache-2.0.
- Tags unique to supertonic: cpp, csharp, flutter, go.
- When deploying text-to-speech functionality requires swift performance on-device in multiple languages
When NOT to use supertonic
- If the application is multilingual but does not require on-device processing capabilities
- For teams preferring a different primary development language other than Swift or those lacking familiarity with ONNX implementation details
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- 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 (supertone-inc/supertonic) · observed Sep 20, 2026
- GitHub forks (supertone-inc/supertonic) · observed Sep 20, 2026
- Last push (supertone-inc/supertonic) · observed Sep 9, 2026
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: dia 19k · supertonic 14k (synced Sep 20, 2026).
Common questions
- What is the difference between dia and supertonic?
- dia: A TTS model for generating ultra-realistic dialogue. supertonic: Lightning-Fast On-Device Multilingual TTS via ONNX. See the comparison table for live GitHub stats and shared categories.
- When should I choose dia over supertonic?
- Choose dia over supertonic when dia is primarily Python; supertonic is Swift; License: dia is Apache-2.0, supertonic is MIT; Tags unique to dia: dialogue-generation, text-to-speech, tts; When you require precise control over voice and script in the creation of highly realistic dialogues.
- When should I choose supertonic over dia?
- Choose supertonic over dia when supertonic is primarily Swift; dia is Python; License: supertonic is MIT, dia is Apache-2.0; Tags unique to supertonic: cpp, csharp, flutter, go; When deploying text-to-speech functionality requires swift performance on-device in multiple languages.
- 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
- When should I avoid supertonic?
- If the application is multilingual but does not require on-device processing capabilities For teams preferring a different primary development language other than Swift or those lacking familiarity with ONNX implementation details
- Is dia or supertonic more popular on GitHub?
- dia has more GitHub stars (19,400 vs 13,785). Stars measure visibility, not whether either tool fits your constraints.
- Are dia and supertonic open source?
- Yes - both are open-source projects on GitHub (dia: Apache-2.0, supertonic: MIT).
- Where can I find alternatives to dia or supertonic?
- GraphCanon lists graph-backed alternatives at dia alternatives and supertonic alternatives (dia markdown twin, supertonic 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, dia or supertonic?
- dia: Slowing. supertonic: Archived. 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 dia and supertonic?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: dia trust report; supertonic trust report.