Comparison
Chatterbox-TTS-Server vs OuteTTS
Verdict
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; pick OuteTTS if outeTTS is a text-to-speech tool for Python that interfaces with its model library and integrates llama.cpp.
Markdown twin · Chatterbox-TTS-Server alternatives · OuteTTS alternatives
GraphCanon updated 3w
vs
Trust & integrity
| Signal | Chatterbox-TTS-Server | OuteTTS |
|---|---|---|
| Maintenance | Steady (64d since push) As of 3w · github_public_v1 | Slowing (128d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Personal account As of 3w · github_public_v1 | Not a fork · Personal account As of 3w · github_public_v1 |
| OSV dependency advisories | Published findings 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
- Chatterbox-TTS-Server
- Self-host the Chatterbox TTS model with a user-friendly Web UI and flexible API endpoints
- OuteTTS
- Interface for OuteTTS models using Python
Stars
- Chatterbox-TTS-Server
- 1.4k
- OuteTTS
- 1.4k
Forks
- Chatterbox-TTS-Server
- 333
- OuteTTS
- 119
Open issues
- Chatterbox-TTS-Server
- 45
- OuteTTS
- 41
Language
- Chatterbox-TTS-Server
- Python
- OuteTTS
- Python
Adopt for
- 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.
- OuteTTS
- OuteTTS is a text-to-speech tool for Python that interfaces with its model library and integrates llama.cpp.
Persona
- Chatterbox-TTS-Server
- -
- OuteTTS
- -
Runtime
- Chatterbox-TTS-Server
- -
- OuteTTS
- -
License
- Chatterbox-TTS-Server
- MIT License, open-source with permissive terms for modification and distribution.
- OuteTTS
- Apache-2.0
Last pushed
- Chatterbox-TTS-Server
- May 26, 2026
- OuteTTS
- Mar 23, 2026
Categories
- Chatterbox-TTS-Server
- Speech & Audio
- OuteTTS
- Speech & Audio
Trust and health
Maintenance
- Chatterbox-TTS-Server
- Steady (60%)
- OuteTTS
- Slowing (36%)
Days since push
- Chatterbox-TTS-Server
- 64d
- OuteTTS
- 128d
Open issues (now)
- Chatterbox-TTS-Server
- 45
- OuteTTS
- 41
Full report
- Chatterbox-TTS-Server
- Trust report
- OuteTTS
- Trust report
Shared compatibility
- Python · Chatterbox-TTS-Server: Python runtime · OuteTTS: Python runtime
Choose Chatterbox-TTS-Server if…
- License: Chatterbox-TTS-Server is MIT, OuteTTS 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.
Choose OuteTTS if…
- License: OuteTTS is Apache-2.0, Chatterbox-TTS-Server is MIT.
- Tags unique to OuteTTS: gguf, llama, text-to-speech, transformers.
- Use when you need access to OuteTTS-specific models.
When NOT to use OuteTTS
- Avoid if your hardware does not support the required dependencies for llama.cpp.
- Not suitable if you require a tool that does not install llama.cpp by default.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- 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 (edwko/OuteTTS) · observed Jul 30, 2026
- GitHub forks (edwko/OuteTTS) · observed Jul 30, 2026
- Last push (edwko/OuteTTS) · observed Mar 23, 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 on cards: Chatterbox-TTS-Server 1.4k · OuteTTS 1.4k (synced Jul 30, 2026).
Common questions
- What is the difference between Chatterbox-TTS-Server and OuteTTS?
- Chatterbox-TTS-Server: Self-host the Chatterbox TTS model with a user-friendly Web UI and flexible API endpoints. OuteTTS: Interface for OuteTTS models using Python. See the comparison table for live GitHub stats and shared categories.
- When should I choose Chatterbox-TTS-Server over OuteTTS?
- Choose Chatterbox-TTS-Server over OuteTTS when License: Chatterbox-TTS-Server is MIT, OuteTTS 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 choose OuteTTS over Chatterbox-TTS-Server?
- Choose OuteTTS over Chatterbox-TTS-Server when License: OuteTTS is Apache-2.0, Chatterbox-TTS-Server is MIT; Tags unique to OuteTTS: gguf, llama, text-to-speech, transformers; Use when you need access to OuteTTS-specific models.
- 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.
- When should I avoid OuteTTS?
- Avoid if your hardware does not support the required dependencies for llama.cpp. Not suitable if you require a tool that does not install llama.cpp by default.
- Is Chatterbox-TTS-Server or OuteTTS more popular on GitHub?
- OuteTTS has more GitHub stars (1,436 vs 1,379). Stars measure visibility, not whether either tool fits your constraints.
- Are Chatterbox-TTS-Server and OuteTTS open source?
- Yes - both are open-source projects on GitHub (Chatterbox-TTS-Server: MIT, OuteTTS: Apache-2.0).
- Where can I find alternatives to Chatterbox-TTS-Server or OuteTTS?
- GraphCanon lists graph-backed alternatives at Chatterbox-TTS-Server alternatives and OuteTTS alternatives (Chatterbox-TTS-Server markdown twin, OuteTTS 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, Chatterbox-TTS-Server or OuteTTS?
- Chatterbox-TTS-Server: Steady. OuteTTS: 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 Chatterbox-TTS-Server and OuteTTS?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: Chatterbox-TTS-Server trust report; OuteTTS trust report.