Comparison
openai_tts vs chatterbox-tts-api
Verdict
Pick openai_tts if a Python-based Home Assistant TTS component that leverages the OpenAI speech engine with extras like chimes and normalization; 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 · openai_tts alternatives · chatterbox-tts-api alternatives
GraphCanon updated Sep 20, 2026
16views this month
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Trust & integrity
| Signal | openai_tts | chatterbox-tts-api |
|---|---|---|
| Maintenance | Very active (0d since push) As of Sep 20, 2026 · github_public_v1 | Slowing (271d 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 | No lockfile (source not queried) As of Jul 15, 2026 · osv@v1 | No lockfile (source not queried) As of Jul 15, 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
- openai_tts
- Custom TTS component for Home Assistant with OpenAI speech engine integration
- chatterbox-tts-api
- Local OpenAI-compatible text-to-speech API using Chatterbox
Stars
- openai_tts
- 216
- chatterbox-tts-api
- 681
Forks
- openai_tts
- 53
- chatterbox-tts-api
- 154
Open issues
- openai_tts
- 12
- chatterbox-tts-api
- 16
Language
- openai_tts
- Python
- chatterbox-tts-api
- Python
Adopt for
- openai_tts
- A Python-based Home Assistant TTS component that leverages the OpenAI speech engine with extras like chimes and normalization
- 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
- openai_tts
- -
- chatterbox-tts-api
- -
Runtime
- openai_tts
- -
- chatterbox-tts-api
- -
License
- openai_tts
- GPL-3.0
- 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
- openai_tts
- Sep 19, 2026
- chatterbox-tts-api
- Dec 23, 2025
Categories
- openai_tts
- Speech & Audio
- chatterbox-tts-api
- Speech & Audio
Trust and health
Maintenance
- openai_tts
- Very active (96%)
- chatterbox-tts-api
- Slowing (36%)
Days since push
- openai_tts
- 0d
- chatterbox-tts-api
- 271d
Open issues (now)
- openai_tts
- 12
- chatterbox-tts-api
- 16
Stars delta
- openai_tts
- +11 (30d)
- chatterbox-tts-api
- +15 (30d)
Open issues delta
- openai_tts
- +3 (30d)
- chatterbox-tts-api
- 0 (30d)
Full report
- openai_tts
- Trust report
- chatterbox-tts-api
- Trust report
Choose openai_tts if…
- License: openai_tts is GPL-3.0, chatterbox-tts-api is AGPL-3.0.
- Tags unique to openai_tts: chime, ha, hacs, home-assistant.
- When you require integration with the Home Assistant ecosystem that includes high-quality text-to-speech from OpenAI
When NOT to use openai_tts
- Avoid if your deployment environment does not support Python, essential for this TTS component's operation
- Not fit when looking for pre-built integrations without Home Assistant, since it specifically caters to the Home Assistant platform
Choose chatterbox-tts-api if…
- License: chatterbox-tts-api is AGPL-3.0, openai_tts is GPL-3.0.
- Requirements: Requires a local setup environment that supports CUDA for optimal performance; Docker can simplify deployment..
- Tags unique to chatterbox-tts-api: chatgpt, chatterbox, cuda, docker.
- 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 (sfortis/openai_tts) · observed Sep 20, 2026
- GitHub forks (sfortis/openai_tts) · observed Sep 20, 2026
- Last push (sfortis/openai_tts) · observed Sep 19, 2026
- License file (GPL-3.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
- GitHub stars (travisvn/chatterbox-tts-api) · observed Sep 20, 2026
- GitHub forks (travisvn/chatterbox-tts-api) · observed Sep 20, 2026
- Last push (travisvn/chatterbox-tts-api) · observed Dec 23, 2025
- License file (AGPL-3.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: openai_tts 216 · chatterbox-tts-api 681 (synced Sep 20, 2026).
Common questions
- What is the difference between openai_tts and chatterbox-tts-api?
- openai_tts: Custom TTS component for Home Assistant with OpenAI speech engine integration. 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 openai_tts over chatterbox-tts-api?
- Choose openai_tts over chatterbox-tts-api when License: openai_tts is GPL-3.0, chatterbox-tts-api is AGPL-3.0; Tags unique to openai_tts: chime, ha, hacs, home-assistant; When you require integration with the Home Assistant ecosystem that includes high-quality text-to-speech from OpenAI.
- When should I choose chatterbox-tts-api over openai_tts?
- Choose chatterbox-tts-api over openai_tts when License: chatterbox-tts-api is AGPL-3.0, openai_tts is GPL-3.0; Requirements: Requires a local setup environment that supports CUDA for optimal performance; Docker can simplify deployment.; Tags unique to chatterbox-tts-api: chatgpt, chatterbox, cuda, docker; 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 openai_tts?
- Avoid if your deployment environment does not support Python, essential for this TTS component's operation Not fit when looking for pre-built integrations without Home Assistant, since it specifically caters to the Home Assistant platform
- 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 openai_tts or chatterbox-tts-api more popular on GitHub?
- chatterbox-tts-api has more GitHub stars (681 vs 216). Stars measure visibility, not whether either tool fits your constraints.
- Are openai_tts and chatterbox-tts-api open source?
- Yes - both are open-source projects on GitHub (openai_tts: GPL-3.0, chatterbox-tts-api: AGPL-3.0).
- Where can I find alternatives to openai_tts or chatterbox-tts-api?
- GraphCanon lists graph-backed alternatives at openai_tts alternatives and chatterbox-tts-api alternatives (openai_tts 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, openai_tts or chatterbox-tts-api?
- openai_tts: 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 openai_tts and chatterbox-tts-api?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: openai_tts trust report; chatterbox-tts-api trust report.