Comparison
FluidAudio vs chatterbox-tts-api
Verdict
Pick FluidAudio if fluidAudio provides CoreML-based models for tasks like text-to-speech, speech-to-text, voice activity detection, and speaker diarization in Swift, focused on iOS and macOS; 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 · FluidAudio alternatives · chatterbox-tts-api alternatives
GraphCanon updated 1w
vs
Trust & integrity
| Signal | FluidAudio | chatterbox-tts-api |
|---|---|---|
| Maintenance | Very active (4d 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 lockfile (source not queried) 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
- FluidAudio
- CoreML audio models for text-to-speech, speech-to-text, voice activity detection and speaker diarization in Swift.
- chatterbox-tts-api
- Local OpenAI-compatible text-to-speech API using Chatterbox
Stars
- FluidAudio
- 2.6k
- chatterbox-tts-api
- 666
Forks
- FluidAudio
- 360
- chatterbox-tts-api
- 152
Open issues
- FluidAudio
- 19
- chatterbox-tts-api
- 16
Language
- FluidAudio
- Swift
- chatterbox-tts-api
- Python
Adopt for
- FluidAudio
- FluidAudio provides CoreML-based models for tasks like text-to-speech, speech-to-text, voice activity detection, and speaker diarization in Swift, focused on iOS and macOS.
- 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
- FluidAudio
- -
- chatterbox-tts-api
- -
Runtime
- FluidAudio
- -
- chatterbox-tts-api
- -
License
- FluidAudio
- Apache-2.0
- 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
- FluidAudio
- Jul 26, 2026
- chatterbox-tts-api
- Dec 23, 2025
Categories
- FluidAudio
- Speech & Audio
- chatterbox-tts-api
- Speech & Audio
Trust and health
Maintenance
- FluidAudio
- Very active (96%)
- chatterbox-tts-api
- Slowing (36%)
Days since push
- FluidAudio
- 4d
- chatterbox-tts-api
- 232d
Open issues (now)
- FluidAudio
- 19
- chatterbox-tts-api
- 16
Owner type
- FluidAudio
- Organization
- chatterbox-tts-api
- User
Full report
- FluidAudio
- Trust report
- chatterbox-tts-api
- Trust report
Choose FluidAudio if…
- FluidAudio is primarily Swift; chatterbox-tts-api is Python.
- License: FluidAudio is Apache-2.0, chatterbox-tts-api is AGPL-3.0.
- Tags unique to FluidAudio: ane, asr, audio, automatic-speech-recognition.
- You need accurate speech-to-text transcription with support for real-time processing in a Swift environment
When NOT to use FluidAudio
- If your project requires cross-platform compatibility beyond Apple's ecosystem
- For projects that do not require CoreML-based optimizations and can run on more universally adopted frameworks across multiple operating systems
Choose chatterbox-tts-api if…
- chatterbox-tts-api is primarily Python; FluidAudio is Swift.
- License: chatterbox-tts-api is AGPL-3.0, FluidAudio is Apache-2.0.
- 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 (FluidInference/FluidAudio) · observed Jul 30, 2026
- GitHub forks (FluidInference/FluidAudio) · observed Jul 30, 2026
- Last push (FluidInference/FluidAudio) · observed Jul 26, 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 (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: FluidAudio 2.6k · chatterbox-tts-api 666 (synced Jul 30, 2026).
Common questions
- What is the difference between FluidAudio and chatterbox-tts-api?
- FluidAudio: CoreML audio models for text-to-speech, speech-to-text, voice activity detection and speaker diarization in Swift.. 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 FluidAudio over chatterbox-tts-api?
- Choose FluidAudio over chatterbox-tts-api when FluidAudio is primarily Swift; chatterbox-tts-api is Python; License: FluidAudio is Apache-2.0, chatterbox-tts-api is AGPL-3.0; Tags unique to FluidAudio: ane, asr, audio, automatic-speech-recognition; You need accurate speech-to-text transcription with support for real-time processing in a Swift environment.
- When should I choose chatterbox-tts-api over FluidAudio?
- Choose chatterbox-tts-api over FluidAudio when chatterbox-tts-api is primarily Python; FluidAudio is Swift; License: chatterbox-tts-api is AGPL-3.0, FluidAudio is Apache-2.0; 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 FluidAudio?
- If your project requires cross-platform compatibility beyond Apple's ecosystem For projects that do not require CoreML-based optimizations and can run on more universally adopted frameworks across multiple operating systems
- 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 FluidAudio or chatterbox-tts-api more popular on GitHub?
- FluidAudio has more GitHub stars (2,554 vs 666). Stars measure visibility, not whether either tool fits your constraints.
- Are FluidAudio and chatterbox-tts-api open source?
- Yes - both are open-source projects on GitHub (FluidAudio: Apache-2.0, chatterbox-tts-api: AGPL-3.0).
- Where can I find alternatives to FluidAudio or chatterbox-tts-api?
- GraphCanon lists graph-backed alternatives at FluidAudio alternatives and chatterbox-tts-api alternatives (FluidAudio 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, FluidAudio or chatterbox-tts-api?
- FluidAudio: 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 FluidAudio and chatterbox-tts-api?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: FluidAudio trust report; chatterbox-tts-api trust report.