Comparison
GPT-SoVITS vs chatterbox-tts-api
Verdict
Pick GPT-SoVITS if gPT-SoVITS offers text-to-speech with minimal voice data via few-shot learning, suited for limited-data scenarios; 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 · GPT-SoVITS alternatives · chatterbox-tts-api alternatives
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Trust & integrity
| Signal | GPT-SoVITS | chatterbox-tts-api |
|---|---|---|
| Maintenance | Very active (1d since push) As of 6d · github_public_v1 | Slowing (204d since push) As of 2d · github_public_v1 |
| Provenance | Not a fork · Personal account As of 6d · github_public_v1 | Not a fork · Personal account As of 2d · github_public_v1 |
| OSV dependency advisories | Published findings As of 6d · osv@v1 | No lockfile (source not queried) As of 2d · 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
- GPT-SoVITS
- Voice Cloning and Text-to-Speech with Minimal Voice Data
- chatterbox-tts-api
- Local OpenAI-compatible text-to-speech API using Chatterbox
Stars
- GPT-SoVITS
- 60k
- chatterbox-tts-api
- 624
Forks
- GPT-SoVITS
- 6.5k
- chatterbox-tts-api
- 145
Open issues
- GPT-SoVITS
- 873
- chatterbox-tts-api
- 16
Language
- GPT-SoVITS
- Python
- chatterbox-tts-api
- Python
Adopt for
- GPT-SoVITS
- GPT-SoVITS offers text-to-speech with minimal voice data via few-shot learning, suited for limited-data scenarios.
- 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
- GPT-SoVITS
- -
- chatterbox-tts-api
- -
Runtime
- GPT-SoVITS
- -
- chatterbox-tts-api
- -
License
- GPT-SoVITS
- 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
- GPT-SoVITS
- Jul 10, 2026
- chatterbox-tts-api
- Dec 23, 2025
Categories
- GPT-SoVITS
- Speech & Audio
- chatterbox-tts-api
- Speech & Audio
Trust and health
Maintenance
- GPT-SoVITS
- Very active (96%)
- chatterbox-tts-api
- Slowing (36%)
Days since push
- GPT-SoVITS
- 1d
- chatterbox-tts-api
- 204d
Open issues (now)
- GPT-SoVITS
- 873
- chatterbox-tts-api
- 16
OSV dependency advisories
- GPT-SoVITS
- Published findings
- chatterbox-tts-api
- No lockfile (source not queried)
Full report
- GPT-SoVITS
- Trust report
- chatterbox-tts-api
- Trust report
Typed relationship
GPT-SoVITS alternative chatterbox-tts-apiChatterbox-TTS-API provides a local TTS API similar to GPT-SoVITS, but it is OpenAI-compatible and likely has a different underlying technology.
Choose GPT-SoVITS if…
- License: GPT-SoVITS is MIT, chatterbox-tts-api is AGPL-3.0.
- Chatterbox-TTS-API provides a local TTS API similar to GPT-SoVITS, but it is OpenAI-compatible and likely has a different underlying technology.
- Tags unique to GPT-SoVITS: audio-processing, python, text-to-speech, tts.
- GPT-SoVITS ships Docker support for self-hosted deployment.
- You need to train a TTS model with less than one minute of voice samples
When NOT to use GPT-SoVITS
- If you require high-quality speech synthesis from extensive preexisting datasets and training
- When operating environments lack GPU support for half-precision, as optimal performance relies on it
Choose chatterbox-tts-api if…
- License: chatterbox-tts-api is AGPL-3.0, GPT-SoVITS is MIT.
- Requirements: Requires a local setup environment that supports CUDA for optimal performance; Docker can simplify deployment..
- Chatterbox-TTS-API provides a local TTS API similar to GPT-SoVITS, but it is OpenAI-compatible and likely has a different underlying technology.
- 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 (RVC-Boss/GPT-SoVITS) · observed Jul 11, 2026
- GitHub forks (RVC-Boss/GPT-SoVITS) · observed Jul 11, 2026
- Last push (RVC-Boss/GPT-SoVITS) · observed Jul 10, 2026
- License file (MIT) · observed Jul 11, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (travisvn/chatterbox-tts-api) · observed Jul 15, 2026
- GitHub forks (travisvn/chatterbox-tts-api) · observed Jul 15, 2026
- Last push (travisvn/chatterbox-tts-api) · observed Dec 23, 2025
- License file (AGPL-3.0) · observed Jul 15, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: GPT-SoVITS 60k · chatterbox-tts-api 624 (synced Jul 11, 2026).
Common questions
- What is the difference between GPT-SoVITS and chatterbox-tts-api?
- GPT-SoVITS: Voice Cloning and Text-to-Speech with Minimal Voice Data. 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 GPT-SoVITS over chatterbox-tts-api?
- Choose GPT-SoVITS over chatterbox-tts-api when License: GPT-SoVITS is MIT, chatterbox-tts-api is AGPL-3.0; Chatterbox-TTS-API provides a local TTS API similar to GPT-SoVITS, but it is OpenAI-compatible and likely has a different underlying technology; Tags unique to GPT-SoVITS: audio-processing, python, text-to-speech, tts; GPT-SoVITS ships Docker support for self-hosted deployment; You need to train a TTS model with less than one minute of voice samples.
- When should I choose chatterbox-tts-api over GPT-SoVITS?
- Choose chatterbox-tts-api over GPT-SoVITS when License: chatterbox-tts-api is AGPL-3.0, GPT-SoVITS is MIT; Requirements: Requires a local setup environment that supports CUDA for optimal performance; Docker can simplify deployment.; Chatterbox-TTS-API provides a local TTS API similar to GPT-SoVITS, but it is OpenAI-compatible and likely has a different underlying technology; 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 GPT-SoVITS?
- If you require high-quality speech synthesis from extensive preexisting datasets and training When operating environments lack GPU support for half-precision, as optimal performance relies on it
- 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 GPT-SoVITS or chatterbox-tts-api more popular on GitHub?
- GPT-SoVITS has more GitHub stars (59,643 vs 624). Stars measure visibility, not whether either tool fits your constraints.
- Are GPT-SoVITS and chatterbox-tts-api open source?
- Yes - both are open-source projects on GitHub (GPT-SoVITS: MIT, chatterbox-tts-api: AGPL-3.0).
- Where can I find alternatives to GPT-SoVITS or chatterbox-tts-api?
- GraphCanon lists graph-backed alternatives at GPT-SoVITS alternatives and chatterbox-tts-api alternatives (GPT-SoVITS 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, GPT-SoVITS or chatterbox-tts-api?
- GPT-SoVITS: Very active. 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 GPT-SoVITS and chatterbox-tts-api?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: GPT-SoVITS trust report; chatterbox-tts-api trust report.