Comparison
ChatTTS_colab vs dia2
Verdict
Pick ChatTTS_colab when tags unique to ChatTTS_colab: chattts, colab-notebook; pick dia2 when tags unique to dia2: open-weight.
Markdown twin · ChatTTS_colab alternatives · dia2 alternatives
GraphCanon updated 3w
vs
Trust & integrity
| Signal | ChatTTS_colab | dia2 |
|---|---|---|
| Maintenance | Steady (59d since push) As of 3w · github_public_v1 | Slowing (243d 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 | No published findings from this source as of 2026-07-11 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
- ChatTTS_colab
- 一键部署的ChatTTS项目，支持流式输出、音色抽卡和长音频生成。
- dia2
- TTS model capable of streaming conversational audio in real-time.
Stars
- ChatTTS_colab
- 2.6k
- dia2
- 1.2k
Forks
- ChatTTS_colab
- 324
- dia2
- 99
Open issues
- ChatTTS_colab
- 78
- dia2
- 5
Language
- ChatTTS_colab
- Python
- dia2
- Python
Adopt for
- ChatTTS_colab
- ChatTTS_colab offers one-click deployment for ChatTTS text-to-speech applications on Colab and supports voice style selection, long audio generation, and streaming output.
- dia2
- -
Persona
- ChatTTS_colab
- -
- dia2
- -
Runtime
- ChatTTS_colab
- -
- dia2
- -
License
- ChatTTS_colab
- -
- dia2
- Apache-2.0
Last pushed
- ChatTTS_colab
- May 31, 2026
- dia2
- Nov 29, 2025
Categories
- ChatTTS_colab
- Speech & Audio
- dia2
- Speech & Audio
Trust and health
Maintenance
- ChatTTS_colab
- Steady (60%)
- dia2
- Slowing (36%)
Days since push
- ChatTTS_colab
- 59d
- dia2
- 243d
Open issues (now)
- ChatTTS_colab
- 78
- dia2
- 5
Owner type
- ChatTTS_colab
- User
- dia2
- Organization
OSV dependency advisories
- ChatTTS_colab
- No published findings from this source as of 2026-07-11
- dia2
- No lockfile (source not queried)
Full report
- ChatTTS_colab
- Trust report
- dia2
- Trust report
Choose ChatTTS_colab if…
- Tags unique to ChatTTS_colab: chattts, colab-notebook.
- When you want a simplified setup with minimal configuration needed in a browser-based environment using Google Colab.
- More GitHub stars (2.6k vs 1.2k) - visibility, not fit.
When NOT to use ChatTTS_colab
- If your project needs do not include the ability to generate audio on-the-fly or manage multiple character readings.
- When you want to avoid Colab's resource limitations that could affect performance for heavy text-to-speech tasks.
- In scenarios where offline package support is not necessary, as this might introduce unnecessary complexities.
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 (6drf21e/ChatTTS_colab) · observed Jul 29, 2026
- GitHub forks (6drf21e/ChatTTS_colab) · observed Jul 29, 2026
- Last push (6drf21e/ChatTTS_colab) · observed May 31, 2026
- License file (unknown) · observed Jul 29, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (nari-labs/dia2) · observed Jul 30, 2026
- GitHub forks (nari-labs/dia2) · observed Jul 30, 2026
- Last push (nari-labs/dia2) · observed Nov 29, 2025
- License file (Apache-2.0) · observed Jul 30, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: ChatTTS_colab 2.6k · dia2 1.2k (synced Jul 29, 2026).
Common questions
- What is the difference between ChatTTS_colab and dia2?
- ChatTTS_colab: 一键部署的ChatTTS项目，支持流式输出、音色抽卡和长音频生成。. 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 ChatTTS_colab over dia2?
- Choose ChatTTS_colab over dia2 when Tags unique to ChatTTS_colab: chattts, colab-notebook; When you want a simplified setup with minimal configuration needed in a browser-based environment using Google Colab; More GitHub stars (2.6k vs 1.2k) - visibility, not fit.
- When should I choose dia2 over ChatTTS_colab?
- Choose dia2 over ChatTTS_colab 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 ChatTTS_colab?
- If your project needs do not include the ability to generate audio on-the-fly or manage multiple character readings. When you want to avoid Colab's resource limitations that could affect performance for heavy text-to-speech tasks. In scenarios where offline package support is not necessary, as this might introduce unnecessary complexities.
- 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 ChatTTS_colab or dia2 more popular on GitHub?
- ChatTTS_colab has more GitHub stars (2,578 vs 1,160). Stars measure visibility, not whether either tool fits your constraints.
- Are ChatTTS_colab and dia2 open source?
- Yes - both are open-source projects on GitHub.
- Where can I find alternatives to ChatTTS_colab or dia2?
- GraphCanon lists graph-backed alternatives at ChatTTS_colab alternatives and dia2 alternatives (ChatTTS_colab 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, ChatTTS_colab or dia2?
- ChatTTS_colab: Steady. 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 ChatTTS_colab and dia2?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: ChatTTS_colab trust report; dia2 trust report.