Comparison
vosk-api vs Chatterbox-TTS-Server
Verdict
Pick vosk-api if vosk-api is an offline speech recognition toolkit enabling continuous large-vocabulary transcription for over 20 languages, fitting onto small devices while offering speaker identification; pick Chatterbox-TTS-Server if chatterbox-TTS-Server: Self-hostable TTS solution with Web UI, APIs, voice cloning, and large-scale text support across CUDA, ROCm, CPU.
Markdown twin · vosk-api alternatives · Chatterbox-TTS-Server alternatives
GraphCanon updated 3w
vs
Trust & integrity
| Signal | vosk-api | Chatterbox-TTS-Server |
|---|---|---|
| Maintenance | Active (27d since push) As of 3w · github_public_v1 | Steady (64d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 3w · github_public_v1 | Not a fork · Personal account As of 3w · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | Published findings 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
- vosk-api
- Offline speech recognition API
- Chatterbox-TTS-Server
- Self-host the Chatterbox TTS model with a user-friendly Web UI and flexible API endpoints
Stars
- vosk-api
- 15k
- Chatterbox-TTS-Server
- 1.4k
Forks
- vosk-api
- 1.7k
- Chatterbox-TTS-Server
- 333
Open issues
- vosk-api
- 600
- Chatterbox-TTS-Server
- 45
Language
- vosk-api
- Jupyter Notebook
- Chatterbox-TTS-Server
- Python
Adopt for
- vosk-api
- Vosk-api is an offline speech recognition toolkit enabling continuous large-vocabulary transcription for over 20 languages, fitting onto small devices while offering speaker identification.
- Chatterbox-TTS-Server
- Chatterbox-TTS-Server: Self-hostable TTS solution with Web UI, APIs, voice cloning, and large-scale text support across CUDA, ROCm, CPU.
Persona
- vosk-api
- -
- Chatterbox-TTS-Server
- -
Runtime
- vosk-api
- -
- Chatterbox-TTS-Server
- -
License
- vosk-api
- Apache-2.0
- Chatterbox-TTS-Server
- MIT License, open-source with permissive terms for modification and distribution.
Last pushed
- vosk-api
- Jul 2, 2026
- Chatterbox-TTS-Server
- May 26, 2026
Categories
- vosk-api
- Speech & Audio
- Chatterbox-TTS-Server
- Speech & Audio
Trust and health
Maintenance
- vosk-api
- Active (82%)
- Chatterbox-TTS-Server
- Steady (60%)
Days since push
- vosk-api
- 27d
- Chatterbox-TTS-Server
- 64d
Open issues (now)
- vosk-api
- 600
- Chatterbox-TTS-Server
- 45
Owner type
- vosk-api
- Organization
- Chatterbox-TTS-Server
- User
OSV dependency advisories
- vosk-api
- No lockfile (source not queried)
- Chatterbox-TTS-Server
- Published findings
Full report
- vosk-api
- Trust report
- Chatterbox-TTS-Server
- Trust report
Shared compatibility
- Python · vosk-api: Python runtime · Chatterbox-TTS-Server: Python runtime
Choose vosk-api if…
- vosk-api is primarily Jupyter Notebook; Chatterbox-TTS-Server is Python.
- License: vosk-api is Apache-2.0, Chatterbox-TTS-Server is MIT.
- Tags unique to vosk-api: android, asr, deep-learning, deeplearning.
- When offline operation is required as Vosk operates without internet connection
When NOT to use vosk-api
- When the project requires real-time transcription with high accuracy, possibly surpassing Vosk's performance limitations
- For projects limited to languages not currently supported by Vosk's model lineup
- If the application necessitates a cloud solution or benefits from regular over-the-air updates and improvements
Choose Chatterbox-TTS-Server if…
- Chatterbox-TTS-Server is primarily Python; vosk-api is Jupyter Notebook.
- License: Chatterbox-TTS-Server is MIT, vosk-api is Apache-2.0.
- Requirements: Python 3.10 needed for pre-built wheels; avoid Python >=3.11 due to lack of support.; Ensure hardware and driver meets the Hardware Compatibility Matrix requirements..
- Tags unique to Chatterbox-TTS-Server: ai, api-server, audio-generation, chatterbox.
- Chatterbox-TTS-Server ships Docker support for self-hosted deployment.
- You need a self-hosted Text-to-Speech service that supports advanced features like voice cloning.
When NOT to use Chatterbox-TTS-Server
- When only pre-built wheels and no flexibility with Python versions is required (strictly follows Python 3.10).
- If your hardware or OS lacks support detailed in the compatibility matrix, like unsupported GPUs/CPU setups.
- For projects requiring minimal dependencies without manual handling of installation intricacies.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (alphacep/vosk-api) · observed Jul 30, 2026
- GitHub forks (alphacep/vosk-api) · observed Jul 30, 2026
- Last push (alphacep/vosk-api) · observed Jul 2, 2026
- License file (Apache-2.0) · observed Jul 30, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (devnen/Chatterbox-TTS-Server) · observed Jul 30, 2026
- GitHub forks (devnen/Chatterbox-TTS-Server) · observed Jul 30, 2026
- Last push (devnen/Chatterbox-TTS-Server) · observed May 26, 2026
- License file (MIT) · observed Jul 30, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: vosk-api 15k · Chatterbox-TTS-Server 1.4k (synced Jul 30, 2026).
Common questions
- What is the difference between vosk-api and Chatterbox-TTS-Server?
- vosk-api: Offline speech recognition API. Chatterbox-TTS-Server: Self-host the Chatterbox TTS model with a user-friendly Web UI and flexible API endpoints. See the comparison table for live GitHub stats and shared categories.
- When should I choose vosk-api over Chatterbox-TTS-Server?
- Choose vosk-api over Chatterbox-TTS-Server when vosk-api is primarily Jupyter Notebook; Chatterbox-TTS-Server is Python; License: vosk-api is Apache-2.0, Chatterbox-TTS-Server is MIT; Tags unique to vosk-api: android, asr, deep-learning, deeplearning; When offline operation is required as Vosk operates without internet connection.
- When should I choose Chatterbox-TTS-Server over vosk-api?
- Choose Chatterbox-TTS-Server over vosk-api when Chatterbox-TTS-Server is primarily Python; vosk-api is Jupyter Notebook; License: Chatterbox-TTS-Server is MIT, vosk-api is Apache-2.0; Requirements: Python 3.10 needed for pre-built wheels; avoid Python >=3.11 due to lack of support.; Ensure hardware and driver meets the Hardware Compatibility Matrix requirements.; Tags unique to Chatterbox-TTS-Server: ai, api-server, audio-generation, chatterbox; Chatterbox-TTS-Server ships Docker support for self-hosted deployment; You need a self-hosted Text-to-Speech service that supports advanced features like voice cloning.
- When should I avoid vosk-api?
- When the project requires real-time transcription with high accuracy, possibly surpassing Vosk's performance limitations For projects limited to languages not currently supported by Vosk's model lineup If the application necessitates a cloud solution or benefits from regular over-the-air updates and improvements
- When should I avoid Chatterbox-TTS-Server?
- When only pre-built wheels and no flexibility with Python versions is required (strictly follows Python 3.10). If your hardware or OS lacks support detailed in the compatibility matrix, like unsupported GPUs/CPU setups. For projects requiring minimal dependencies without manual handling of installation intricacies.
- Is vosk-api or Chatterbox-TTS-Server more popular on GitHub?
- vosk-api has more GitHub stars (15,013 vs 1,379). Stars measure visibility, not whether either tool fits your constraints.
- Are vosk-api and Chatterbox-TTS-Server open source?
- Yes - both are open-source projects on GitHub (vosk-api: Apache-2.0, Chatterbox-TTS-Server: MIT).
- Where can I find alternatives to vosk-api or Chatterbox-TTS-Server?
- GraphCanon lists graph-backed alternatives at vosk-api alternatives and Chatterbox-TTS-Server alternatives (vosk-api markdown twin, Chatterbox-TTS-Server 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, vosk-api or Chatterbox-TTS-Server?
- vosk-api: Active. Chatterbox-TTS-Server: Steady. 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 vosk-api and Chatterbox-TTS-Server?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: vosk-api trust report; Chatterbox-TTS-Server trust report.