Comparison
ChatTTS vs ParallelWaveGAN
Verdict
Pick ChatTTS when chatTTS is primarily Python; ParallelWaveGAN is Jupyter Notebook; pick ParallelWaveGAN when parallelWaveGAN is primarily Jupyter Notebook; ChatTTS is Python.
Markdown twin · ChatTTS alternatives · ParallelWaveGAN alternatives
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Trust & integrity
| Signal | ChatTTS | ParallelWaveGAN |
|---|---|---|
| Maintenance | Slowing (91d since push) As of today · github_public_v1 | Dormant (810d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Organization account As of today · github_public_v1 | Not a fork · Personal account As of today · github_public_v1 |
| Security (OSV) | No lockfile As of today · none | No lockfile As of today · none |
Tagline
- ChatTTS
- A generative speech model for daily dialogue
- ParallelWaveGAN
- Unofficial Parallel WaveGAN (+ variants) with Pytorch for speech synthesis
Stars
- ChatTTS
- 40k
- ParallelWaveGAN
- 1.6k
Forks
- ChatTTS
- 4.2k
- ParallelWaveGAN
- 352
Open issues
- ChatTTS
- 63
- ParallelWaveGAN
- 43
Language
- ChatTTS
- Python
- ParallelWaveGAN
- Jupyter Notebook
Adopt for
- ChatTTS
- ChatTTS is a Python-based repository for generating speech tailored to everyday conversations in both Chinese and English.
- ParallelWaveGAN
- -
Persona
- ChatTTS
- -
- ParallelWaveGAN
- -
Runtime
- ChatTTS
- -
- ParallelWaveGAN
- -
License
- ChatTTS
- Licensed under AGPL-3.0, which allows for free use, distribution, and modification as long as these rights are maintained in derivative works.
- ParallelWaveGAN
- MIT
Last pushed
- ChatTTS
- Apr 10, 2026
- ParallelWaveGAN
- Apr 22, 2024
Categories
- ChatTTS
- AI Agents, Speech & Audio
- ParallelWaveGAN
- Speech & Audio
Trust and health
Maintenance
- ChatTTS
- Slowing (36%)
- ParallelWaveGAN
- Dormant (18%)
Days since push
- ChatTTS
- 91d
- ParallelWaveGAN
- 810d
Open issues (now)
- ChatTTS
- 63
- ParallelWaveGAN
- 43
Owner type
- ChatTTS
- Organization
- ParallelWaveGAN
- User
Full report
- ChatTTS
- Trust report
- ParallelWaveGAN
- Trust report
Choose ChatTTS if…
- ChatTTS is primarily Python; ParallelWaveGAN is Jupyter Notebook.
- License: ChatTTS is AGPL-3.0, ParallelWaveGAN is MIT.
- Requirements: Python-based implementation means that familiarity with Python is necessary for effective use..
- Tags unique to ChatTTS: natural-language-inference, torch, english-language, chattts.
- Also covers AI Agents.
- Use ChatTTS when you require text-to-speech functionality for daily dialogue applications, especially those involving Chinese or English languages.
When NOT to use ChatTTS
- Avoid using ChatTTS in environments where the speech generation model is expected to handle complex technical jargon or specialized vocabulary, as it's optimized for daily conversation.
- Do not use ChatTTS if your project requires the integration of more than two languages simultaneously due to its current support for only Chinese and English.
Choose ParallelWaveGAN if…
- ParallelWaveGAN is primarily Jupyter Notebook; ChatTTS is Python.
- License: ParallelWaveGAN is MIT, ChatTTS is AGPL-3.0.
- Tags unique to ParallelWaveGAN: parallel-wavenet, style-melgan, realtime, hifigan.
When NOT to use ParallelWaveGAN
- Last GitHub push was 811 days ago (dormant maintenance, Apr 22, 2024). Validate activity before betting a new project on ParallelWaveGAN.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (2noise/ChatTTS) · observed Jul 11, 2026
- GitHub forks (2noise/ChatTTS) · observed Jul 11, 2026
- Last push (2noise/ChatTTS) · observed Apr 10, 2026
- License file (AGPL-3.0) · observed Jul 11, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (kan-bayashi/ParallelWaveGAN) · observed Jul 11, 2026
- GitHub forks (kan-bayashi/ParallelWaveGAN) · observed Jul 11, 2026
- Last push (kan-bayashi/ParallelWaveGAN) · observed Apr 22, 2024
- License file (MIT) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: ChatTTS 40k · ParallelWaveGAN 1.6k (synced Jul 11, 2026).
Common questions
- What is the difference between ChatTTS and ParallelWaveGAN?
- ChatTTS: A generative speech model for daily dialogue. ParallelWaveGAN: Unofficial Parallel WaveGAN (+ variants) with Pytorch for speech synthesis. See the comparison table for live GitHub stats and shared categories.
- When should I choose ChatTTS over ParallelWaveGAN?
- Choose ChatTTS over ParallelWaveGAN when ChatTTS is primarily Python; ParallelWaveGAN is Jupyter Notebook; License: ChatTTS is AGPL-3.0, ParallelWaveGAN is MIT; Requirements: Python-based implementation means that familiarity with Python is necessary for effective use.; Tags unique to ChatTTS: natural-language-inference, torch, english-language, chattts; Also covers AI Agents; Use ChatTTS when you require text-to-speech functionality for daily dialogue applications, especially those involving Chinese or English languages.
- When should I choose ParallelWaveGAN over ChatTTS?
- Choose ParallelWaveGAN over ChatTTS when ParallelWaveGAN is primarily Jupyter Notebook; ChatTTS is Python; License: ParallelWaveGAN is MIT, ChatTTS is AGPL-3.0; Tags unique to ParallelWaveGAN: parallel-wavenet, style-melgan, realtime, hifigan.
- When should I avoid ChatTTS?
- Avoid using ChatTTS in environments where the speech generation model is expected to handle complex technical jargon or specialized vocabulary, as it's optimized for daily conversation. Do not use ChatTTS if your project requires the integration of more than two languages simultaneously due to its current support for only Chinese and English.
- When should I avoid ParallelWaveGAN?
- Last GitHub push was 811 days ago (dormant maintenance, Apr 22, 2024). Validate activity before betting a new project on ParallelWaveGAN.
- Is ChatTTS or ParallelWaveGAN more popular on GitHub?
- ChatTTS has more GitHub stars (39,593 vs 1,644). Stars measure visibility, not whether either tool fits your constraints.
- Are ChatTTS and ParallelWaveGAN open source?
- Yes - both are open-source projects on GitHub (ChatTTS: AGPL-3.0, ParallelWaveGAN: MIT).
- Where can I find alternatives to ChatTTS or ParallelWaveGAN?
- GraphCanon lists graph-backed alternatives at ChatTTS alternatives and ParallelWaveGAN alternatives (ChatTTS markdown twin, ParallelWaveGAN 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 or ParallelWaveGAN?
- ChatTTS: Slowing. ParallelWaveGAN: Dormant. 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 and ParallelWaveGAN?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: ChatTTS trust report; ParallelWaveGAN trust report.