Comparison
OuteTTS vs dia
Verdict
Pick OuteTTS if outeTTS is a text-to-speech tool for Python that interfaces with its model library and integrates llama.cpp; 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 · OuteTTS alternatives · dia alternatives
GraphCanon updated 3w
Trust & integrity
| Signal | OuteTTS | dia |
|---|---|---|
| Maintenance | Slowing (128d since push) As of 3w · github_public_v1 | Slowing (251d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Personal account As of 3w · github_public_v1 | Not a fork · Organization account As of 3w · github_public_v1 |
| OSV dependency advisories | Published findings As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · 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
- OuteTTS
- Interface for OuteTTS models using Python
- dia
- A TTS model for generating ultra-realistic dialogue
Stars
- OuteTTS
- 1.4k
- dia
- 19k
Forks
- OuteTTS
- 119
- dia
- 1.7k
Open issues
- OuteTTS
- 41
- dia
- 91
Language
- OuteTTS
- Python
- dia
- Python
Adopt for
- OuteTTS
- OuteTTS is a text-to-speech tool for Python that interfaces with its model library and integrates llama.cpp.
- dia
- Dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue.
Persona
- OuteTTS
- -
- dia
- -
Runtime
- OuteTTS
- -
- dia
- -
License
- OuteTTS
- Apache-2.0
- dia
- Apache-2.0
Last pushed
- OuteTTS
- Mar 23, 2026
- dia
- Nov 19, 2025
Categories
- OuteTTS
- Speech & Audio
- dia
- Speech & Audio
Trust and health
Days since push
- OuteTTS
- 128d
- dia
- 251d
Open issues (now)
- OuteTTS
- 41
- dia
- 91
Owner type
- OuteTTS
- User
- dia
- Organization
OSV dependency advisories
- OuteTTS
- Published findings
- dia
- No lockfile (source not queried)
Full report
- OuteTTS
- Trust report
- dia
- Trust report
Shared compatibility
- Python · OuteTTS: Python runtime · dia: Python runtime
Choose OuteTTS if…
- Tags unique to OuteTTS: gguf, llama, transformers.
- Use when you need access to OuteTTS-specific models.
- More recently updated (last pushed Mar 23, 2026).
When NOT to use OuteTTS
- Avoid if your hardware does not support the required dependencies for llama.cpp.
- Not suitable if you require a tool that does not install llama.cpp by default.
Choose dia if…
- Tags unique to dia: dialogue-generation.
- When you require precise control over voice and script in the creation of highly realistic dialogues
- More GitHub stars (19k vs 1.4k) - visibility, not fit.
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 (edwko/OuteTTS) · observed Jul 30, 2026
- GitHub forks (edwko/OuteTTS) · observed Jul 30, 2026
- Last push (edwko/OuteTTS) · observed Mar 23, 2026
- License file (Apache-2.0) · observed Jul 30, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (nari-labs/dia) · observed Jul 29, 2026
- GitHub forks (nari-labs/dia) · observed Jul 29, 2026
- Last push (nari-labs/dia) · observed Nov 19, 2025
- License file (Apache-2.0) · observed Jul 29, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: OuteTTS 1.4k · dia 19k (synced Jul 30, 2026).
Common questions
- What is the difference between OuteTTS and dia?
- OuteTTS: Interface for OuteTTS models using Python. dia: A TTS model for generating ultra-realistic dialogue. See the comparison table for live GitHub stats and shared categories.
- When should I choose OuteTTS over dia?
- Choose OuteTTS over dia when Tags unique to OuteTTS: gguf, llama, transformers; Use when you need access to OuteTTS-specific models; More recently updated (last pushed Mar 23, 2026).
- When should I choose dia over OuteTTS?
- Choose dia over OuteTTS when Tags unique to dia: dialogue-generation; When you require precise control over voice and script in the creation of highly realistic dialogues; More GitHub stars (19k vs 1.4k) - visibility, not fit.
- When should I avoid OuteTTS?
- Avoid if your hardware does not support the required dependencies for llama.cpp. Not suitable if you require a tool that does not install llama.cpp by default.
- 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 OuteTTS or dia more popular on GitHub?
- dia has more GitHub stars (19,361 vs 1,436). Stars measure visibility, not whether either tool fits your constraints.
- Are OuteTTS and dia open source?
- Yes - both are open-source projects on GitHub (OuteTTS: Apache-2.0, dia: Apache-2.0).
- Where can I find alternatives to OuteTTS or dia?
- GraphCanon lists graph-backed alternatives at OuteTTS alternatives and dia alternatives (OuteTTS 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, OuteTTS or dia?
- OuteTTS: Slowing. 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 OuteTTS and dia?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: OuteTTS trust report; dia trust report.