Comparison
OuteTTS vs dia2
Verdict
Pick OuteTTS when tags unique to OuteTTS: gguf, llama, transformers, tts; pick dia2 when tags unique to dia2: open-weight.
Markdown twin · OuteTTS alternatives · dia2 alternatives
GraphCanon updated Sep 20, 2026
5views this month
Trust & integrity
| Signal | OuteTTS | dia2 |
|---|---|---|
| Maintenance | Slowing (180d since push) As of Sep 20, 2026 · github_public_v1 | Slowing (295d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Personal 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
- OuteTTS
- Interface for OuteTTS models using Python
- dia2
- TTS model capable of streaming conversational audio in real-time.
Stars
- OuteTTS
- 1.4k
- dia2
- 1.2k
Forks
- OuteTTS
- 117
- dia2
- 102
Open issues
- OuteTTS
- 41
- dia2
- 5
Language
- OuteTTS
- Python
- dia2
- Python
Adopt for
- OuteTTS
- OuteTTS is a text-to-speech tool for Python that interfaces with its model library and integrates llama.cpp.
- dia2
- -
Persona
- OuteTTS
- -
- dia2
- -
Runtime
- OuteTTS
- -
- dia2
- -
License
- OuteTTS
- Apache-2.0
- dia2
- Apache-2.0
Last pushed
- OuteTTS
- Mar 23, 2026
- dia2
- Nov 29, 2025
Categories
- OuteTTS
- Speech & Audio
- dia2
- Speech & Audio
Trust and health
Days since push
- OuteTTS
- 180d
- dia2
- 295d
Open issues (now)
- OuteTTS
- 41
- dia2
- 5
Stars delta
- OuteTTS
- +4 (30d)
- dia2
- +20 (30d)
Owner type
- OuteTTS
- User
- dia2
- Organization
OSV dependency advisories
- OuteTTS
- Published findings
- dia2
- No lockfile (source not queried)
Full report
- OuteTTS
- Trust report
- dia2
- Trust report
Choose OuteTTS if…
- Tags unique to OuteTTS: gguf, llama, transformers, tts.
- Use when you need access to OuteTTS-specific models.
- More GitHub stars (1.4k vs 1.2k) - visibility, not fit.
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 dia2 if…
- Tags unique to dia2: open-weight.
- When you need real-time streaming capabilities for text-to-speech applications.
- Leaner open-issue backlog (5).
When NOT to use dia2
- For projects aimed at batch processing or non-realtime TTS applications where instantaneous audio output isn't required.
- If you are looking for an open-source model that does not include specific proprietary components like the Kyutai Mimi codec.
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 Sep 20, 2026
- GitHub forks (edwko/OuteTTS) · observed Sep 20, 2026
- Last push (edwko/OuteTTS) · observed Mar 23, 2026
- 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 (nari-labs/dia2) · observed Sep 20, 2026
- GitHub forks (nari-labs/dia2) · observed Sep 20, 2026
- Last push (nari-labs/dia2) · observed Nov 29, 2025
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: OuteTTS 1.4k · dia2 1.2k (synced Sep 20, 2026).
Common questions
- What is the difference between OuteTTS and dia2?
- OuteTTS: Interface for OuteTTS models using Python. dia2: TTS model capable of streaming conversational audio in real-time.. See the comparison table for live GitHub stats and shared categories.
- When should I choose OuteTTS over dia2?
- Choose OuteTTS over dia2 when Tags unique to OuteTTS: gguf, llama, transformers, tts; Use when you need access to OuteTTS-specific models; More GitHub stars (1.4k vs 1.2k) - visibility, not fit.
- When should I choose dia2 over OuteTTS?
- Choose dia2 over OuteTTS when Tags unique to dia2: open-weight; When you need real-time streaming capabilities for text-to-speech applications; Leaner open-issue backlog (5).
- 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 dia2?
- For projects aimed at batch processing or non-realtime TTS applications where instantaneous audio output isn't required. If you are looking for an open-source model that does not include specific proprietary components like the Kyutai Mimi codec.
- Is OuteTTS or dia2 more popular on GitHub?
- OuteTTS has more GitHub stars (1,440 vs 1,180). Stars measure visibility, not whether either tool fits your constraints.
- Are OuteTTS and dia2 open source?
- Yes - both are open-source projects on GitHub (OuteTTS: Apache-2.0, dia2: Apache-2.0).
- Where can I find alternatives to OuteTTS or dia2?
- GraphCanon lists graph-backed alternatives at OuteTTS alternatives and dia2 alternatives (OuteTTS markdown twin, dia2 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 dia2?
- OuteTTS: Slowing. dia2: 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 dia2?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: OuteTTS trust report; dia2 trust report.