Comparison
WaveRNN vs chatterbox-tts-api
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 chatterbox-tts-api if chatterbox-TTS-API is a locally hosted Python-based text-to-speech API with capabilities similar to ElevenLabs, offering an OpenAI-compatible interface for generating voice-cloned speech.
Markdown twin · WaveRNN alternatives · chatterbox-tts-api alternatives
GraphCanon updated 1w
vs
Trust & integrity
| Signal | WaveRNN | chatterbox-tts-api |
|---|---|---|
| Maintenance | Dormant (1488d since push) As of 3w · github_public_v1 | Slowing (232d since push) As of 1w · github_public_v1 |
| Provenance | Not a fork · Personal account As of 3w · github_public_v1 | Not a fork · Personal account As of 1w · 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
- chatterbox-tts-api
- Local OpenAI-compatible text-to-speech API using Chatterbox
Stars
- WaveRNN
- 2.2k
- chatterbox-tts-api
- 666
Forks
- WaveRNN
- 687
- chatterbox-tts-api
- 152
Open issues
- WaveRNN
- 108
- chatterbox-tts-api
- 16
Language
- WaveRNN
- Python
- chatterbox-tts-api
- 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.
- chatterbox-tts-api
- Chatterbox-TTS-API is a locally hosted Python-based text-to-speech API with capabilities similar to ElevenLabs, offering an OpenAI-compatible interface for generating voice-cloned speech.
Persona
- WaveRNN
- -
- chatterbox-tts-api
- -
Runtime
- WaveRNN
- -
- chatterbox-tts-api
- -
License
- WaveRNN
- MIT
- chatterbox-tts-api
- Chatterbox-TTS-API is distributed under the AGPL-3.0 license, ensuring any modifications or derivative works must be shared openly.
Last pushed
- WaveRNN
- Jul 2, 2022
- chatterbox-tts-api
- Dec 23, 2025
Categories
- WaveRNN
- Speech & Audio
- chatterbox-tts-api
- Speech & Audio
Trust and health
Maintenance
- WaveRNN
- Dormant (18%)
- chatterbox-tts-api
- Slowing (36%)
Days since push
- WaveRNN
- 1488d
- chatterbox-tts-api
- 232d
Open issues (now)
- WaveRNN
- 108
- chatterbox-tts-api
- 16
OSV dependency advisories
- WaveRNN
- No published findings from this source as of 2026-07-11
- chatterbox-tts-api
- No lockfile (source not queried)
Full report
- WaveRNN
- Trust report
- chatterbox-tts-api
- Trust report
Shared compatibility
- Python · WaveRNN: Python runtime · chatterbox-tts-api: Python runtime
Choose WaveRNN if…
- License: WaveRNN is MIT, chatterbox-tts-api is AGPL-3.0.
- 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 chatterbox-tts-api if…
- License: chatterbox-tts-api is AGPL-3.0, WaveRNN is MIT.
- Requirements: Requires a local setup environment that supports CUDA for optimal performance; Docker can simplify deployment..
- Tags unique to chatterbox-tts-api: ai, chatgpt, chatterbox, cuda.
- When you need a self-hosted solution that mirrors the functionality of ElevenLabs or other proprietary TTS services and requires compatibility with existing ecosystems like Open WebUI or AnythingLLM.
When NOT to use chatterbox-tts-api
- If you require integrations specific to ElevenLabs' proprietary voice models as Chatterbox-TTS-API, despite its capabilities, does not directly support their unique voice libraries.
- For users needing a fully managed service without the complexities of local deployment and maintenance, like that offered by cloud-based TTS providers.
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 (travisvn/chatterbox-tts-api) · observed Aug 13, 2026
- GitHub forks (travisvn/chatterbox-tts-api) · observed Aug 13, 2026
- Last push (travisvn/chatterbox-tts-api) · observed Dec 23, 2025
- License file (AGPL-3.0) · observed Aug 13, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: WaveRNN 2.2k · chatterbox-tts-api 666 (synced Jul 29, 2026).
Common questions
- What is the difference between WaveRNN and chatterbox-tts-api?
- WaveRNN: WaveRNN Vocoder + TTS. chatterbox-tts-api: Local OpenAI-compatible text-to-speech API using Chatterbox. See the comparison table for live GitHub stats and shared categories.
- When should I choose WaveRNN over chatterbox-tts-api?
- Choose WaveRNN over chatterbox-tts-api when License: WaveRNN is MIT, chatterbox-tts-api is AGPL-3.0; 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 chatterbox-tts-api over WaveRNN?
- Choose chatterbox-tts-api over WaveRNN when License: chatterbox-tts-api is AGPL-3.0, WaveRNN is MIT; Requirements: Requires a local setup environment that supports CUDA for optimal performance; Docker can simplify deployment.; Tags unique to chatterbox-tts-api: ai, chatgpt, chatterbox, cuda; When you need a self-hosted solution that mirrors the functionality of ElevenLabs or other proprietary TTS services and requires compatibility with existing ecosystems like Open WebUI or AnythingLLM.
- 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 chatterbox-tts-api?
- If you require integrations specific to ElevenLabs' proprietary voice models as Chatterbox-TTS-API, despite its capabilities, does not directly support their unique voice libraries. For users needing a fully managed service without the complexities of local deployment and maintenance, like that offered by cloud-based TTS providers.
- Is WaveRNN or chatterbox-tts-api more popular on GitHub?
- WaveRNN has more GitHub stars (2,190 vs 666). Stars measure visibility, not whether either tool fits your constraints.
- Are WaveRNN and chatterbox-tts-api open source?
- Yes - both are open-source projects on GitHub (WaveRNN: MIT, chatterbox-tts-api: AGPL-3.0).
- Where can I find alternatives to WaveRNN or chatterbox-tts-api?
- GraphCanon lists graph-backed alternatives at WaveRNN alternatives and chatterbox-tts-api alternatives (WaveRNN markdown twin, chatterbox-tts-api 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 chatterbox-tts-api?
- WaveRNN: Dormant. chatterbox-tts-api: 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 chatterbox-tts-api?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: WaveRNN trust report; chatterbox-tts-api trust report.