--- title: "obs-localvocal vs chatterbox-tts-api" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/royshil-obs-localvocal-vs-travisvn-chatterbox-tts-api" tools: ["royshil-obs-localvocal", "travisvn-chatterbox-tts-api"] --- # obs-localvocal vs chatterbox-tts-api *GraphCanon updated Aug 13, 2026* ## Verdict Pick obs-localvocal if obs-localvocal is an OBS plugin enabling real-time speech-to-text transcription and translation using AI models that run locally; 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. [obs-localvocal](https://obsproject.com/forum/resources/localvocal-live-stream-ai-assistant.1769/) reports 1.6k GitHub stars, 120 forks, and 55 open issues, last pushed May 20, 2026. [chatterbox-tts-api](https://chatterboxtts.com) has 666 stars, 152 forks, and 16 open issues, last pushed Dec 23, 2025. Figures are from public GitHub metadata via [obs-localvocal's repository](https://github.com/royshil/obs-localvocal) and [chatterbox-tts-api's repository](https://github.com/travisvn/chatterbox-tts-api). | | [obs-localvocal](/tools/royshil-obs-localvocal.md) | [chatterbox-tts-api](/tools/travisvn-chatterbox-tts-api.md) | | --- | --- | --- | | Tagline | An OBS plugin for local speech recognition and captioning | Local OpenAI-compatible text-to-speech API using Chatterbox | | Stars | 1,561 | 666 | | Forks | 120 | 152 | | Open issues | 55 | 16 | | Language | C++ | Python | | Adopt for | Obs-localvocal is an OBS plugin enabling real-time speech-to-text transcription and translation using AI models that run locally. | 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 | - | - | | Runtime | - | - | | License | GPL-2.0 | Chatterbox-TTS-API is distributed under the AGPL-3.0 license, ensuring any modifications or derivative works must be shared openly. | | Categories | Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [obs-localvocal](/tools/royshil-obs-localvocal.md) | [chatterbox-tts-api](/tools/travisvn-chatterbox-tts-api.md) | | --- | --- | --- | | Maintenance | Steady (60%) | Slowing (36%) | | Days since push | 71d | 232d | | Open issues (now) | 55 | 16 | | Full report | [trust report](/tools/royshil-obs-localvocal/trust.md) | [trust report](/tools/travisvn-chatterbox-tts-api/trust.md) | ## Decision facts: obs-localvocal - **Requirements:** The software operates on Windows, Linux (Ubuntu 22.04), and MacOS environments.; Support for translation is included using CTranslate2. - **Adopt for:** Obs-localvocal is an OBS plugin enabling real-time speech-to-text transcription and translation using AI models that run locally. - **License detail:** GPL-2.0 ## Decision facts: chatterbox-tts-api - **Requirements:** Requires a local setup environment that supports CUDA for optimal performance; Docker can simplify deployment. - **Adopt for:** 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. - **License detail:** Chatterbox-TTS-API is distributed under the AGPL-3.0 license, ensuring any modifications or derivative works must be shared openly. ## Choose when ### Choose obs-localvocal if… - obs-localvocal is primarily C++; chatterbox-tts-api is Python. - License: obs-localvocal is GPL-2.0, chatterbox-tts-api is AGPL-3.0. - Requirements: The software operates on Windows, Linux (Ubuntu 22.04), and MacOS environments.; Support for translation is included using CTranslate2.. - Tags unique to obs-localvocal: live-streaming, obs-plugin, speech-to-text, transcription. - When you require privacy-first solutions where all processing of audio and data occurs on the local machine without any cloud-based services. ### Choose chatterbox-tts-api if… - chatterbox-tts-api is primarily Python; obs-localvocal is C++. - License: chatterbox-tts-api is AGPL-3.0, obs-localvocal is GPL-2.0. - 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 obs-localvocal - If your workflow demands GPU acceleration for better performance, given obs-localvocal focuses primarily on CPU but offers limited GPU support. - In scenarios where you need to integrate directly with cloud-hosted services or APIs, since this plugin processes everything locally without internet dependency. ## 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. ## Common questions ### What is the difference between obs-localvocal and chatterbox-tts-api? obs-localvocal: An OBS plugin for local speech recognition and captioning. 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 obs-localvocal over chatterbox-tts-api? Choose obs-localvocal over chatterbox-tts-api when obs-localvocal is primarily C++; chatterbox-tts-api is Python; License: obs-localvocal is GPL-2.0, chatterbox-tts-api is AGPL-3.0; Requirements: The software operates on Windows, Linux (Ubuntu 22.04), and MacOS environments.; Support for translation is included using CTranslate2.; Tags unique to obs-localvocal: live-streaming, obs-plugin, speech-to-text, transcription; When you require privacy-first solutions where all processing of audio and data occurs on the local machine without any cloud-based services. ### When should I choose chatterbox-tts-api over obs-localvocal? Choose chatterbox-tts-api over obs-localvocal when chatterbox-tts-api is primarily Python; obs-localvocal is C++; License: chatterbox-tts-api is AGPL-3.0, obs-localvocal is GPL-2.0; 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 obs-localvocal? If your workflow demands GPU acceleration for better performance, given obs-localvocal focuses primarily on CPU but offers limited GPU support. In scenarios where you need to integrate directly with cloud-hosted services or APIs, since this plugin processes everything locally without internet dependency. ### 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 obs-localvocal or chatterbox-tts-api more popular on GitHub? obs-localvocal has more GitHub stars (1,561 vs 666). Stars measure visibility, not whether either tool fits your constraints. ### Are obs-localvocal and chatterbox-tts-api open source? Yes - both are open-source projects on GitHub (obs-localvocal: GPL-2.0, chatterbox-tts-api: AGPL-3.0). ### Where can I find alternatives to obs-localvocal or chatterbox-tts-api? GraphCanon lists graph-backed alternatives at [obs-localvocal alternatives](/tools/royshil-obs-localvocal/alternatives) and [chatterbox-tts-api alternatives](/tools/travisvn-chatterbox-tts-api/alternatives) ([obs-localvocal markdown twin](/tools/royshil-obs-localvocal/alternatives.md), [chatterbox-tts-api markdown twin](/tools/travisvn-chatterbox-tts-api/alternatives.md)), 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](/compare/royshil-obs-localvocal-vs-travisvn-chatterbox-tts-api.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, obs-localvocal or chatterbox-tts-api? obs-localvocal: Steady. 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 obs-localvocal and chatterbox-tts-api? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [obs-localvocal trust report](/tools/royshil-obs-localvocal/trust); [chatterbox-tts-api trust report](/tools/travisvn-chatterbox-tts-api/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=royshil-obs-localvocal`](/api/graphcanon/graph?tool=royshil-obs-localvocal) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_