Comparison
WaveRNN vs dia
Verdict
Pick WaveRNN if waveRNN is a Python-based neural vocoder that can generate high-quality speech from text when used with TTS models like Tacotron; 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 · WaveRNN alternatives · dia alternatives
GraphCanon updated 3w
Trust & integrity
| Signal | WaveRNN | dia |
|---|---|---|
| Maintenance | Dormant (1488d 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 | 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
- WaveRNN
- WaveRNN Vocoder + TTS
- dia
- A TTS model for generating ultra-realistic dialogue
Stars
- WaveRNN
- 2.2k
- dia
- 19k
Forks
- WaveRNN
- 687
- dia
- 1.7k
Open issues
- WaveRNN
- 108
- dia
- 91
Language
- WaveRNN
- Python
- dia
- 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.
- dia
- Dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue.
Persona
- WaveRNN
- -
- dia
- -
Runtime
- WaveRNN
- -
- dia
- -
License
- WaveRNN
- MIT
- dia
- Apache-2.0
Last pushed
- WaveRNN
- Jul 2, 2022
- dia
- Nov 19, 2025
Categories
- WaveRNN
- Speech & Audio
- dia
- Speech & Audio
Trust and health
Maintenance
- WaveRNN
- Dormant (18%)
- dia
- Slowing (36%)
Days since push
- WaveRNN
- 1488d
- dia
- 251d
Open issues (now)
- WaveRNN
- 108
- dia
- 91
Owner type
- WaveRNN
- User
- dia
- Organization
OSV dependency advisories
- WaveRNN
- No published findings from this source as of 2026-07-11
- dia
- No lockfile (source not queried)
Full report
- WaveRNN
- Trust report
- dia
- Trust report
Shared compatibility
- Python · WaveRNN: Python runtime · dia: Python runtime
Choose WaveRNN if…
- License: WaveRNN is MIT, dia 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 dia if…
- License: dia is Apache-2.0, WaveRNN is MIT.
- Tags unique to dia: dialogue-generation.
- When you require precise control over voice and script in the creation of highly realistic dialogues
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 (fatchord/WaveRNN) · observed Jul 29, 2026
- GitHub forks (fatchord/WaveRNN) · observed Jul 29, 2026
- Last push (fatchord/WaveRNN) · observed Jul 2, 2022
- License file (MIT) · observed Jul 29, 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: WaveRNN 2.2k · dia 19k (synced Jul 29, 2026).
Common questions
- What is the difference between WaveRNN and dia?
- WaveRNN: WaveRNN Vocoder + TTS. dia: A TTS model for generating ultra-realistic dialogue. See the comparison table for live GitHub stats and shared categories.
- When should I choose WaveRNN over dia?
- Choose WaveRNN over dia when License: WaveRNN is MIT, dia 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 dia over WaveRNN?
- Choose dia over WaveRNN when License: dia is Apache-2.0, WaveRNN is MIT; Tags unique to dia: dialogue-generation; When you require precise control over voice and script in the creation of highly realistic dialogues.
- 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 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 WaveRNN or dia more popular on GitHub?
- dia has more GitHub stars (19,361 vs 2,190). Stars measure visibility, not whether either tool fits your constraints.
- Are WaveRNN and dia open source?
- Yes - both are open-source projects on GitHub (WaveRNN: MIT, dia: Apache-2.0).
- Where can I find alternatives to WaveRNN or dia?
- GraphCanon lists graph-backed alternatives at WaveRNN alternatives and dia alternatives (WaveRNN 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, WaveRNN or dia?
- WaveRNN: Dormant. 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 WaveRNN and dia?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: WaveRNN trust report; dia trust report.