Comparison
Chatterbox-TTS-Server vs OpenVoice
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 OpenVoice if openVoice is an instant voice cloning tool utilizing an audio foundation model for text-to-speech and zero-shot capabilities.
Markdown twin · Chatterbox-TTS-Server alternatives · OpenVoice alternatives
GraphCanon updated 3w
vs
Trust & integrity
| Signal | Chatterbox-TTS-Server | OpenVoice |
|---|---|---|
| Maintenance | Steady (64d since push) As of 3w · github_public_v1 | Dormant (465d since push) As of 4w · github_public_v1 |
| Provenance | Not a fork · Personal account As of 3w · github_public_v1 | Not a fork · Organization account As of 4w · 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
- OpenVoice
- Instant voice cloning using an audio foundation model
Stars
- Chatterbox-TTS-Server
- 1.4k
- OpenVoice
- 37k
Forks
- Chatterbox-TTS-Server
- 333
- OpenVoice
- 4.1k
Open issues
- Chatterbox-TTS-Server
- 45
- OpenVoice
- 307
Language
- Chatterbox-TTS-Server
- Python
- OpenVoice
- 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.
- OpenVoice
- OpenVoice is an instant voice cloning tool utilizing an audio foundation model for text-to-speech and zero-shot capabilities.
Persona
- Chatterbox-TTS-Server
- -
- OpenVoice
- -
Runtime
- Chatterbox-TTS-Server
- -
- OpenVoice
- -
License
- Chatterbox-TTS-Server
- MIT License, open-source with permissive terms for modification and distribution.
- OpenVoice
- Available under the MIT License, allowing free use for both commercial and research purposes.
Last pushed
- Chatterbox-TTS-Server
- May 26, 2026
- OpenVoice
- Apr 19, 2025
Categories
- Chatterbox-TTS-Server
- Speech & Audio
- OpenVoice
- Speech & Audio
Trust and health
Maintenance
- Chatterbox-TTS-Server
- Steady (60%)
- OpenVoice
- Dormant (18%)
Days since push
- Chatterbox-TTS-Server
- 64d
- OpenVoice
- 465d
Open issues (now)
- Chatterbox-TTS-Server
- 45
- OpenVoice
- 307
Owner type
- Chatterbox-TTS-Server
- User
- OpenVoice
- Organization
Full report
- Chatterbox-TTS-Server
- Trust report
- OpenVoice
- Trust report
Choose Chatterbox-TTS-Server if…
- 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 OpenVoice if…
- Pricing: As it is open-source with a permissive MIT license, usage is free. However, users may need to incur costs for compute resources when deploying scalable solutions..
- Tags unique to OpenVoice: text-to-speech, tts, voice-clone, zero-shot-tts.
- When rapid deployment of clone voices is needed without extensive training examples required by other tools due to its zero-shot text-to-speech feature.
When NOT to use OpenVoice
- If your project requires fine-tuning of voice characteristics beyond what the tool's audio foundation model offers, as other tools may be more customizable.
- When dealing with niche linguistic requirements or extremely rare language models that might not be well-supported by OpenVoice’s broader focus.
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 (myshell-ai/OpenVoice) · observed Jul 29, 2026
- GitHub forks (myshell-ai/OpenVoice) · observed Jul 29, 2026
- Last push (myshell-ai/OpenVoice) · observed Apr 19, 2025
- License file (MIT) · observed Jul 29, 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 · OpenVoice 37k (synced Jul 30, 2026).
Common questions
- What is the difference between Chatterbox-TTS-Server and OpenVoice?
- Chatterbox-TTS-Server: Self-host the Chatterbox TTS model with a user-friendly Web UI and flexible API endpoints. OpenVoice: Instant voice cloning using an audio foundation model. See the comparison table for live GitHub stats and shared categories.
- When should I choose Chatterbox-TTS-Server over OpenVoice?
- Choose Chatterbox-TTS-Server over OpenVoice when 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 OpenVoice over Chatterbox-TTS-Server?
- Choose OpenVoice over Chatterbox-TTS-Server when Pricing: As it is open-source with a permissive MIT license, usage is free. However, users may need to incur costs for compute resources when deploying scalable solutions.; Tags unique to OpenVoice: text-to-speech, tts, voice-clone, zero-shot-tts; When rapid deployment of clone voices is needed without extensive training examples required by other tools due to its zero-shot text-to-speech feature.
- 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 OpenVoice?
- If your project requires fine-tuning of voice characteristics beyond what the tool's audio foundation model offers, as other tools may be more customizable. When dealing with niche linguistic requirements or extremely rare language models that might not be well-supported by OpenVoice’s broader focus.
- Is Chatterbox-TTS-Server or OpenVoice more popular on GitHub?
- OpenVoice has more GitHub stars (37,044 vs 1,379). Stars measure visibility, not whether either tool fits your constraints.
- Are Chatterbox-TTS-Server and OpenVoice open source?
- Yes - both are open-source projects on GitHub (Chatterbox-TTS-Server: MIT, OpenVoice: MIT).
- Where can I find alternatives to Chatterbox-TTS-Server or OpenVoice?
- GraphCanon lists graph-backed alternatives at Chatterbox-TTS-Server alternatives and OpenVoice alternatives (Chatterbox-TTS-Server markdown twin, OpenVoice 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 OpenVoice?
- Chatterbox-TTS-Server: Steady. OpenVoice: Dormant. 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 OpenVoice?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: Chatterbox-TTS-Server trust report; OpenVoice trust report.