Comparison
faster-whisper vs chatterbox-tts-api
Verdict
Pick faster-whisper if a package for faster speech-to-text transcription based on the Whisper model, using CTranslate2; 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 · faster-whisper alternatives · chatterbox-tts-api alternatives
GraphCanon updated 1w
vs
Trust & integrity
| Signal | faster-whisper | chatterbox-tts-api |
|---|---|---|
| Maintenance | Slowing (255d since push) As of 3w · github_public_v1 | Slowing (232d since push) As of 1w · github_public_v1 |
| Provenance | Not a fork · Organization 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
- faster-whisper
- Faster Whisper transcription with CTranslate2
- chatterbox-tts-api
- Local OpenAI-compatible text-to-speech API using Chatterbox
Stars
- faster-whisper
- 25k
- chatterbox-tts-api
- 666
Forks
- faster-whisper
- 2.0k
- chatterbox-tts-api
- 152
Open issues
- faster-whisper
- 315
- chatterbox-tts-api
- 16
Language
- faster-whisper
- Python
- chatterbox-tts-api
- Python
Adopt for
- faster-whisper
- A package for faster speech-to-text transcription based on the Whisper model, using CTranslate2.
- 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
- faster-whisper
- -
- chatterbox-tts-api
- -
Runtime
- faster-whisper
- -
- chatterbox-tts-api
- -
License
- faster-whisper
- 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
- faster-whisper
- Nov 19, 2025
- chatterbox-tts-api
- Dec 23, 2025
Categories
- faster-whisper
- Inference & Serving, Speech & Audio
- chatterbox-tts-api
- Speech & Audio
Trust and health
Days since push
- faster-whisper
- 255d
- chatterbox-tts-api
- 232d
Open issues (now)
- faster-whisper
- 315
- chatterbox-tts-api
- 16
Owner type
- faster-whisper
- Organization
- chatterbox-tts-api
- User
OSV dependency advisories
- faster-whisper
- No published findings from this source as of 2026-07-11
- chatterbox-tts-api
- No lockfile (source not queried)
Full report
- faster-whisper
- Trust report
- chatterbox-tts-api
- Trust report
Shared compatibility
- Python · faster-whisper: Python runtime · chatterbox-tts-api: Python runtime
Choose faster-whisper if…
- License: faster-whisper is MIT, chatterbox-tts-api is AGPL-3.0.
- Requirements: Requires Python 3.9 or higher.
- Tags unique to faster-whisper: deep-learning, inference, openai, quantization.
- Also covers Inference & Serving.
- A package for faster speech-to-text transcription based on the Whisper model, using CTranslate2.
When NOT to use faster-whisper
- * When needing to employ FFmpeg directly for audio processing as it does not require FFmpeg installation and relies instead on PyAV.
- * In environments where additional dependencies from PyAV may introduce complexity or issues.
Choose chatterbox-tts-api if…
- License: chatterbox-tts-api is AGPL-3.0, faster-whisper 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 (SYSTRAN/faster-whisper) · observed Aug 2, 2026
- GitHub forks (SYSTRAN/faster-whisper) · observed Aug 2, 2026
- Last push (SYSTRAN/faster-whisper) · observed Nov 19, 2025
- License file (MIT) · observed Aug 2, 2026
- Decision facts (enrichment) · observed Jul 12, 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: faster-whisper 25k · chatterbox-tts-api 666 (synced Aug 2, 2026).
Common questions
- What is the difference between faster-whisper and chatterbox-tts-api?
- faster-whisper: Faster Whisper transcription with CTranslate2. 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 faster-whisper over chatterbox-tts-api?
- Choose faster-whisper over chatterbox-tts-api when License: faster-whisper is MIT, chatterbox-tts-api is AGPL-3.0; Requirements: Requires Python 3.9 or higher; Tags unique to faster-whisper: deep-learning, inference, openai, quantization; Also covers Inference & Serving; A package for faster speech-to-text transcription based on the Whisper model, using CTranslate2.
- When should I choose chatterbox-tts-api over faster-whisper?
- Choose chatterbox-tts-api over faster-whisper when License: chatterbox-tts-api is AGPL-3.0, faster-whisper 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 faster-whisper?
- * When needing to employ FFmpeg directly for audio processing as it does not require FFmpeg installation and relies instead on PyAV. * In environments where additional dependencies from PyAV may introduce complexity or issues.
- 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 faster-whisper or chatterbox-tts-api more popular on GitHub?
- faster-whisper has more GitHub stars (24,689 vs 666). Stars measure visibility, not whether either tool fits your constraints.
- Are faster-whisper and chatterbox-tts-api open source?
- Yes - both are open-source projects on GitHub (faster-whisper: MIT, chatterbox-tts-api: AGPL-3.0).
- Where can I find alternatives to faster-whisper or chatterbox-tts-api?
- GraphCanon lists graph-backed alternatives at faster-whisper alternatives and chatterbox-tts-api alternatives (faster-whisper 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, faster-whisper or chatterbox-tts-api?
- faster-whisper: Slowing. 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 faster-whisper and chatterbox-tts-api?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: faster-whisper trust report; chatterbox-tts-api trust report.