Comparison
Chatterbox-TTS-Server vs RealtimeTTS
Verdict
Pick Chatterbox-TTS-Server 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.; pick RealtimeTTS when tags unique to RealtimeTTS: realtime, speech-synthesis, text-to-speech.
Markdown twin · Chatterbox-TTS-Server alternatives · RealtimeTTS alternatives
GraphCanon updated Sep 20, 2026
7views this month
vs
Trust & integrity
| Signal | Chatterbox-TTS-Server | RealtimeTTS |
|---|---|---|
| Maintenance | Slowing (116d since push) As of Sep 20, 2026 · github_public_v1 | Very active (0d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Personal account As of Sep 20, 2026 · github_public_v1 | Not a fork · Personal account As of Sep 20, 2026 · github_public_v1 |
| OSV dependency advisories | Published findings As of Jul 11, 2026 · osv@v1 | No published findings from this source as of 2026-07-11 As of Jul 11, 2026 · 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
- RealtimeTTS
- Converts text to speech in realtime
Stars
- Chatterbox-TTS-Server
- 1.4k
- RealtimeTTS
- 4.0k
Forks
- Chatterbox-TTS-Server
- 356
- RealtimeTTS
- 405
Open issues
- Chatterbox-TTS-Server
- 53
- RealtimeTTS
- 127
Language
- Chatterbox-TTS-Server
- Python
- RealtimeTTS
- 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.
- RealtimeTTS
- -
Persona
- Chatterbox-TTS-Server
- -
- RealtimeTTS
- -
Runtime
- Chatterbox-TTS-Server
- -
- RealtimeTTS
- -
License
- Chatterbox-TTS-Server
- MIT License, open-source with permissive terms for modification and distribution.
- RealtimeTTS
- MIT
Last pushed
- Chatterbox-TTS-Server
- May 26, 2026
- RealtimeTTS
- Sep 19, 2026
Categories
- Chatterbox-TTS-Server
- Speech & Audio
- RealtimeTTS
- Speech & Audio
Trust and health
Maintenance
- Chatterbox-TTS-Server
- Slowing (36%)
- RealtimeTTS
- Very active (96%)
Days since push
- Chatterbox-TTS-Server
- 116d
- RealtimeTTS
- 0d
Open issues (now)
- Chatterbox-TTS-Server
- 53
- RealtimeTTS
- 127
Stars delta
- Chatterbox-TTS-Server
- +68 (30d)
- RealtimeTTS
- +29 (30d)
Open issues delta
- Chatterbox-TTS-Server
- +8 (30d)
- RealtimeTTS
- +2 (30d)
OSV dependency advisories
- Chatterbox-TTS-Server
- Published findings
- RealtimeTTS
- No published findings from this source as of 2026-07-11
Full report
- Chatterbox-TTS-Server
- Trust report
- RealtimeTTS
- Trust report
Shared compatibility
- Python · Chatterbox-TTS-Server: Python runtime · RealtimeTTS: Python runtime
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 RealtimeTTS if…
- Tags unique to RealtimeTTS: realtime, speech-synthesis, text-to-speech.
- Use RealtimeTTS when you need to integrate real-time text-to-speech capabilities into a Python application that requires immediate audio output without delays.
- More GitHub stars (4.0k vs 1.4k) - visibility, not fit.
When NOT to use RealtimeTTS
- Avoid using RealtimeTTS in scenarios where pre-recorded or highly customized voice outputs are crucial, given its focus on speed over customization options.
- Do not use RealtimeTTS if heavy reliance on external cloud services is a requirement, since it emphasizes local execution for performance.
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 Sep 20, 2026
- GitHub forks (devnen/Chatterbox-TTS-Server) · observed Sep 20, 2026
- Last push (devnen/Chatterbox-TTS-Server) · observed May 26, 2026
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (KoljaB/RealtimeTTS) · observed Sep 20, 2026
- GitHub forks (KoljaB/RealtimeTTS) · observed Sep 20, 2026
- Last push (KoljaB/RealtimeTTS) · observed Sep 19, 2026
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: Chatterbox-TTS-Server 1.4k · RealtimeTTS 4.0k (synced Sep 20, 2026).
Common questions
- What is the difference between Chatterbox-TTS-Server and RealtimeTTS?
- Chatterbox-TTS-Server: Self-host the Chatterbox TTS model with a user-friendly Web UI and flexible API endpoints. RealtimeTTS: Converts text to speech in realtime. See the comparison table for live GitHub stats and shared categories.
- When should I choose Chatterbox-TTS-Server over RealtimeTTS?
- Choose Chatterbox-TTS-Server over RealtimeTTS 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 RealtimeTTS over Chatterbox-TTS-Server?
- Choose RealtimeTTS over Chatterbox-TTS-Server when Tags unique to RealtimeTTS: realtime, speech-synthesis, text-to-speech; Use RealtimeTTS when you need to integrate real-time text-to-speech capabilities into a Python application that requires immediate audio output without delays; More GitHub stars (4.0k vs 1.4k) - visibility, not fit.
- 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 RealtimeTTS?
- Avoid using RealtimeTTS in scenarios where pre-recorded or highly customized voice outputs are crucial, given its focus on speed over customization options. Do not use RealtimeTTS if heavy reliance on external cloud services is a requirement, since it emphasizes local execution for performance.
- Is Chatterbox-TTS-Server or RealtimeTTS more popular on GitHub?
- RealtimeTTS has more GitHub stars (4,031 vs 1,447). Stars measure visibility, not whether either tool fits your constraints.
- Are Chatterbox-TTS-Server and RealtimeTTS open source?
- Yes - both are open-source projects on GitHub (Chatterbox-TTS-Server: MIT, RealtimeTTS: MIT).
- Where can I find alternatives to Chatterbox-TTS-Server or RealtimeTTS?
- GraphCanon lists graph-backed alternatives at Chatterbox-TTS-Server alternatives and RealtimeTTS alternatives (Chatterbox-TTS-Server markdown twin, RealtimeTTS 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 RealtimeTTS?
- Chatterbox-TTS-Server: Slowing. RealtimeTTS: Very active. 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 RealtimeTTS?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: Chatterbox-TTS-Server trust report; RealtimeTTS trust report.