Comparison
WaveRNN vs dia2
Verdict
Pick WaveRNN when license: WaveRNN is MIT, dia2 is Apache-2.0; pick dia2 when license: dia2 is Apache-2.0, WaveRNN is MIT.
Markdown twin · WaveRNN alternatives · dia2 alternatives
GraphCanon updated Sep 20, 2026
Trust & integrity
| Signal | WaveRNN | dia2 |
|---|---|---|
| Maintenance | Dormant (1540d 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 | No published findings from this source as of 2026-07-11 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
- WaveRNN
- WaveRNN Vocoder + TTS
- dia2
- TTS model capable of streaming conversational audio in real-time.
Stars
- WaveRNN
- 2.2k
- dia2
- 1.2k
Forks
- WaveRNN
- 685
- dia2
- 102
Open issues
- WaveRNN
- 108
- dia2
- 5
Language
- WaveRNN
- Python
- dia2
- Python
Adopt for
- WaveRNN
- WaveRNN is a Python-based neural vocoder that can generate high-quality speech from text when used with TTS models like Tacotron.
- dia2
- -
Persona
- WaveRNN
- -
- dia2
- -
Runtime
- WaveRNN
- -
- dia2
- -
License
- WaveRNN
- MIT
- dia2
- Apache-2.0
Last pushed
- WaveRNN
- Jul 2, 2022
- dia2
- Nov 29, 2025
Categories
- WaveRNN
- Speech & Audio
- dia2
- Speech & Audio
Trust and health
Maintenance
- WaveRNN
- Dormant (18%)
- dia2
- Slowing (36%)
Days since push
- WaveRNN
- 1540d
- dia2
- 295d
Open issues (now)
- WaveRNN
- 108
- dia2
- 5
Stars delta
- WaveRNN
- +1 (30d)
- dia2
- +20 (30d)
Owner type
- WaveRNN
- User
- dia2
- Organization
OSV dependency advisories
- WaveRNN
- No published findings from this source as of 2026-07-11
- dia2
- No lockfile (source not queried)
Full report
- WaveRNN
- Trust report
- dia2
- Trust report
Choose WaveRNN if…
- License: WaveRNN is MIT, dia2 is Apache-2.0.
- Requirements: Python version must be equal to or higher than 3.6; Pytorch 1 with CUDA support is a prerequisite.
- Tags unique to WaveRNN: neural-vocoder, pytorch, speech-synthesis, tacotron.
- When you require a compact and efficient method to produce natural-sounding speech synthesis, specifically with the need for high fidelity in audio quality.
When NOT to use WaveRNN
- Avoid using when you need extensive customization of the vocoder parameters, since it is optimized for specific configurations and might not offer the level of tweakability other frameworks provide.
- Not recommended if your setup does not support CUDA, as WaveRNN requires PyTorch with CUDA for execution.
Choose dia2 if…
- License: dia2 is Apache-2.0, WaveRNN is MIT.
- Tags unique to dia2: open-weight.
- When you need real-time streaming capabilities for text-to-speech applications.
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 (fatchord/WaveRNN) · observed Sep 20, 2026
- GitHub forks (fatchord/WaveRNN) · observed Sep 20, 2026
- Last push (fatchord/WaveRNN) · observed Jul 2, 2022
- License file (MIT) · 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: WaveRNN 2.2k · dia2 1.2k (synced Sep 20, 2026).
Common questions
- What is the difference between WaveRNN and dia2?
- WaveRNN: WaveRNN Vocoder + TTS. 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 WaveRNN over dia2?
- Choose WaveRNN over dia2 when License: WaveRNN is MIT, dia2 is Apache-2.0; Requirements: Python version must be equal to or higher than 3.6; Pytorch 1 with CUDA support is a prerequisite; Tags unique to WaveRNN: neural-vocoder, pytorch, speech-synthesis, tacotron; When you require a compact and efficient method to produce natural-sounding speech synthesis, specifically with the need for high fidelity in audio quality.
- When should I choose dia2 over WaveRNN?
- Choose dia2 over WaveRNN when License: dia2 is Apache-2.0, WaveRNN is MIT; Tags unique to dia2: open-weight; When you need real-time streaming capabilities for text-to-speech applications.
- When should I avoid WaveRNN?
- Avoid using when you need extensive customization of the vocoder parameters, since it is optimized for specific configurations and might not offer the level of tweakability other frameworks provide. Not recommended if your setup does not support CUDA, as WaveRNN requires PyTorch with CUDA for execution.
- 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 WaveRNN or dia2 more popular on GitHub?
- WaveRNN has more GitHub stars (2,191 vs 1,180). Stars measure visibility, not whether either tool fits your constraints.
- Are WaveRNN and dia2 open source?
- Yes - both are open-source projects on GitHub (WaveRNN: MIT, dia2: Apache-2.0).
- Where can I find alternatives to WaveRNN or dia2?
- GraphCanon lists graph-backed alternatives at WaveRNN alternatives and dia2 alternatives (WaveRNN 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, WaveRNN or dia2?
- WaveRNN: Dormant. 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 WaveRNN and dia2?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: WaveRNN trust report; dia2 trust report.