--- title: "open-speech-corpora vs chatterbox-tts-api" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/coqui-ai-open-speech-corpora-vs-travisvn-chatterbox-tts-api" tools: ["coqui-ai-open-speech-corpora", "travisvn-chatterbox-tts-api"] --- # open-speech-corpora vs chatterbox-tts-api *GraphCanon updated Aug 13, 2026* ## Verdict Pick open-speech-corpora if open-Speech-Corpora indexes diverse speech datasets critical for ASR and TTS projects in various languages; 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. [open-speech-corpora](https://github.com/coqui-ai/open-speech-corpora) reports 1.4k GitHub stars, 151 forks, and 169 open issues, last pushed Jun 6, 2024. [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 [open-speech-corpora's repository](https://github.com/coqui-ai/open-speech-corpora) and [chatterbox-tts-api's repository](https://github.com/travisvn/chatterbox-tts-api). | | [open-speech-corpora](/tools/coqui-ai-open-speech-corpora.md) | [chatterbox-tts-api](/tools/travisvn-chatterbox-tts-api.md) | | --- | --- | --- | | Tagline | A list of accessible speech corpora for ASR, TTS, and other Speech Technologies | Local OpenAI-compatible text-to-speech API using Chatterbox | | Stars | 1,398 | 666 | | Forks | 151 | 152 | | Open issues | 169 | 16 | | Language | - | Python | | Adopt for | Open-Speech-Corpora indexes diverse speech datasets critical for ASR and TTS projects in various languages. | 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 | MIT | 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._ | | [open-speech-corpora](/tools/coqui-ai-open-speech-corpora.md) | [chatterbox-tts-api](/tools/travisvn-chatterbox-tts-api.md) | | --- | --- | --- | | Maintenance | Dormant (18%) | Slowing (36%) | | Days since push | 783d | 232d | | Open issues (now) | 169 | 16 | | Owner type | Organization | User | | Full report | [trust report](/tools/coqui-ai-open-speech-corpora/trust.md) | [trust report](/tools/travisvn-chatterbox-tts-api/trust.md) | ## Decision facts: open-speech-corpora - **Adopt for:** Open-Speech-Corpora indexes diverse speech datasets critical for ASR and TTS projects in various languages. ## 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 open-speech-corpora if… - License: open-speech-corpora is MIT, chatterbox-tts-api is AGPL-3.0. - Tags unique to open-speech-corpora: speech-emotion-recognition, speech-processing, speech-recognition, speech-separation. - You are working on projects requiring specific language corpora like Amharic, Hausa, or Wolof. ### Choose chatterbox-tts-api if… - License: chatterbox-tts-api is AGPL-3.0, open-speech-corpora is MIT. - Requirements: Requires a local setup environment that supports CUDA for optimal performance; Docker can simplify deployment.. - Tags unique to chatterbox-tts-api: ai, chatgpt, chatterbox, cuda. - 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 open-speech-corpora - You exclusively need data for voice cloning with a high number of speakers. - If your focus is on specialized voice emotion recognition datasets not covered in the repository. ## 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 open-speech-corpora and chatterbox-tts-api? open-speech-corpora: A list of accessible speech corpora for ASR, TTS, and other Speech Technologies. 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 open-speech-corpora over chatterbox-tts-api? Choose open-speech-corpora over chatterbox-tts-api when License: open-speech-corpora is MIT, chatterbox-tts-api is AGPL-3.0; Tags unique to open-speech-corpora: speech-emotion-recognition, speech-processing, speech-recognition, speech-separation; You are working on projects requiring specific language corpora like Amharic, Hausa, or Wolof. ### When should I choose chatterbox-tts-api over open-speech-corpora? Choose chatterbox-tts-api over open-speech-corpora when License: chatterbox-tts-api is AGPL-3.0, open-speech-corpora is MIT; Requirements: Requires a local setup environment that supports CUDA for optimal performance; Docker can simplify deployment.; Tags unique to chatterbox-tts-api: ai, chatgpt, chatterbox, cuda; 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 open-speech-corpora? You exclusively need data for voice cloning with a high number of speakers. If your focus is on specialized voice emotion recognition datasets not covered in the repository. ### 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 open-speech-corpora or chatterbox-tts-api more popular on GitHub? open-speech-corpora has more GitHub stars (1,398 vs 666). Stars measure visibility, not whether either tool fits your constraints. ### Are open-speech-corpora and chatterbox-tts-api open source? Yes - both are open-source projects on GitHub (open-speech-corpora: MIT, chatterbox-tts-api: AGPL-3.0). ### Where can I find alternatives to open-speech-corpora or chatterbox-tts-api? GraphCanon lists graph-backed alternatives at [open-speech-corpora alternatives](/tools/coqui-ai-open-speech-corpora/alternatives) and [chatterbox-tts-api alternatives](/tools/travisvn-chatterbox-tts-api/alternatives) ([open-speech-corpora markdown twin](/tools/coqui-ai-open-speech-corpora/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/coqui-ai-open-speech-corpora-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, open-speech-corpora or chatterbox-tts-api? open-speech-corpora: Dormant. 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 open-speech-corpora and chatterbox-tts-api? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [open-speech-corpora trust report](/tools/coqui-ai-open-speech-corpora/trust); [chatterbox-tts-api trust report](/tools/travisvn-chatterbox-tts-api/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=coqui-ai-open-speech-corpora`](/api/graphcanon/graph?tool=coqui-ai-open-speech-corpora) - 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/_