Comparison
hifi-gan vs chatterbox-tts-api
Verdict
Pick hifi-gan if hiFi-GAN is optimized for generating high-fidelity speech efficiently and supports both training from scratch and fine-tuning with pretrained models; 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 · hifi-gan alternatives · chatterbox-tts-api alternatives
GraphCanon updated 1w
vs
Trust & integrity
| Signal | hifi-gan | chatterbox-tts-api |
|---|---|---|
| Maintenance | Dormant (731d 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 | Published findings 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
- hifi-gan
- Generative Adversarial Networks for Efficient and High Fidelity Speech Synthesis
- chatterbox-tts-api
- Local OpenAI-compatible text-to-speech API using Chatterbox
Stars
- hifi-gan
- 2.4k
- chatterbox-tts-api
- 666
Forks
- hifi-gan
- 555
- chatterbox-tts-api
- 152
Open issues
- hifi-gan
- 111
- chatterbox-tts-api
- 16
Language
- hifi-gan
- Python
- chatterbox-tts-api
- Python
Adopt for
- hifi-gan
- HiFi-GAN is optimized for generating high-fidelity speech efficiently and supports both training from scratch and fine-tuning with pretrained models.
- 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
- hifi-gan
- -
- chatterbox-tts-api
- -
Runtime
- hifi-gan
- -
- chatterbox-tts-api
- -
License
- hifi-gan
- 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
- hifi-gan
- Jul 27, 2024
- chatterbox-tts-api
- Dec 23, 2025
Categories
- hifi-gan
- Speech & Audio
- chatterbox-tts-api
- Speech & Audio
Trust and health
Maintenance
- hifi-gan
- Dormant (18%)
- chatterbox-tts-api
- Slowing (36%)
Days since push
- hifi-gan
- 731d
- chatterbox-tts-api
- 232d
Open issues (now)
- hifi-gan
- 111
- chatterbox-tts-api
- 16
OSV dependency advisories
- hifi-gan
- Published findings
- chatterbox-tts-api
- No lockfile (source not queried)
Full report
- hifi-gan
- Trust report
- chatterbox-tts-api
- Trust report
Shared compatibility
- Python · hifi-gan: Python runtime · chatterbox-tts-api: Python runtime
Choose hifi-gan if…
- License: hifi-gan is MIT, chatterbox-tts-api is AGPL-3.0.
- Tags unique to hifi-gan: deep-learning, gan, hifi-gan, pytorch.
- When you require real-time generation capabilities up to 167.9 times faster than real time on a single V100 GPU, or even 13.4 times faster on CPU than real time for the small footprint version
When NOT to use hifi-gan
- If your application prioritizes sample quality above speed, despite the competitive position of HiFi-GAN in both criteria
- When the computational resources for running models on a V100 GPU or leveraging the small footprint version's CPU efficiency are not available
- In scenarios requiring more than just high-fidelity speech synthesis but also complex text-to-speech natural language processing capabilities
Choose chatterbox-tts-api if…
- License: chatterbox-tts-api is AGPL-3.0, hifi-gan 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 (jik876/hifi-gan) · observed Jul 29, 2026
- GitHub forks (jik876/hifi-gan) · observed Jul 29, 2026
- Last push (jik876/hifi-gan) · observed Jul 27, 2024
- License file (MIT) · observed Jul 29, 2026
- Decision facts (enrichment) · observed Jul 16, 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: hifi-gan 2.4k · chatterbox-tts-api 666 (synced Jul 29, 2026).
Common questions
- What is the difference between hifi-gan and chatterbox-tts-api?
- hifi-gan: Generative Adversarial Networks for Efficient and High Fidelity Speech Synthesis. 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 hifi-gan over chatterbox-tts-api?
- Choose hifi-gan over chatterbox-tts-api when License: hifi-gan is MIT, chatterbox-tts-api is AGPL-3.0; Tags unique to hifi-gan: deep-learning, gan, hifi-gan, pytorch; When you require real-time generation capabilities up to 167.9 times faster than real time on a single V100 GPU, or even 13.4 times faster on CPU than real time for the small footprint version.
- When should I choose chatterbox-tts-api over hifi-gan?
- Choose chatterbox-tts-api over hifi-gan when License: chatterbox-tts-api is AGPL-3.0, hifi-gan 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 hifi-gan?
- If your application prioritizes sample quality above speed, despite the competitive position of HiFi-GAN in both criteria When the computational resources for running models on a V100 GPU or leveraging the small footprint version's CPU efficiency are not available In scenarios requiring more than just high-fidelity speech synthesis but also complex text-to-speech natural language processing capabilities
- 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 hifi-gan or chatterbox-tts-api more popular on GitHub?
- hifi-gan has more GitHub stars (2,363 vs 666). Stars measure visibility, not whether either tool fits your constraints.
- Are hifi-gan and chatterbox-tts-api open source?
- Yes - both are open-source projects on GitHub (hifi-gan: MIT, chatterbox-tts-api: AGPL-3.0).
- Where can I find alternatives to hifi-gan or chatterbox-tts-api?
- GraphCanon lists graph-backed alternatives at hifi-gan alternatives and chatterbox-tts-api alternatives (hifi-gan 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, hifi-gan or chatterbox-tts-api?
- hifi-gan: 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 hifi-gan and chatterbox-tts-api?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: hifi-gan trust report; chatterbox-tts-api trust report.