--- title: "VieNeu-TTS vs chatterbox-tts-api" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/pnnbao97-vieneu-tts-vs-travisvn-chatterbox-tts-api" tools: ["pnnbao97-vieneu-tts", "travisvn-chatterbox-tts-api"] --- # VieNeu-TTS vs chatterbox-tts-api *GraphCanon updated Aug 13, 2026* ## Verdict Pick VieNeu-TTS if vieNeu-TTS offers on-device Vietnamese text-to-speech services in real-time with CPU inference, ideal for environments needing local processing; 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. [VieNeu-TTS](https://www.vieneu.io) reports 2.3k GitHub stars, 675 forks, and 8 open issues, last pushed Jul 17, 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 [VieNeu-TTS's repository](https://github.com/pnnbao97/VieNeu-TTS) and [chatterbox-tts-api's repository](https://github.com/travisvn/chatterbox-tts-api). | | [VieNeu-TTS](/tools/pnnbao97-vieneu-tts.md) | [chatterbox-tts-api](/tools/travisvn-chatterbox-tts-api.md) | | --- | --- | --- | | Tagline | Vietnamese TTS with instant voice cloning, on-device and real-time CPU inference | Local OpenAI-compatible text-to-speech API using Chatterbox | | Stars | 2,258 | 666 | | Forks | 675 | 152 | | Open issues | 8 | 16 | | Language | Python | Python | | Adopt for | VieNeu-TTS offers on-device Vietnamese text-to-speech services in real-time with CPU inference, ideal for environments needing local processing. | 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 | Apache-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._ | | [VieNeu-TTS](/tools/pnnbao97-vieneu-tts.md) | [chatterbox-tts-api](/tools/travisvn-chatterbox-tts-api.md) | | --- | --- | --- | | Maintenance | Active (82%) | Slowing (36%) | | Days since push | 12d | 232d | | Open issues (now) | 8 | 16 | | Full report | [trust report](/tools/pnnbao97-vieneu-tts/trust.md) | [trust report](/tools/travisvn-chatterbox-tts-api/trust.md) | ## Shared compatibility - **Python**: [VieNeu-TTS](/tools/pnnbao97-vieneu-tts.md) - Python runtime; [chatterbox-tts-api](/tools/travisvn-chatterbox-tts-api.md) - Python runtime ## Decision facts: VieNeu-TTS - **Adopt for:** VieNeu-TTS offers on-device Vietnamese text-to-speech services in real-time with CPU inference, ideal for environments needing local processing. ## 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 VieNeu-TTS if… - License: VieNeu-TTS is Apache-2.0, chatterbox-tts-api is AGPL-3.0. - Tags unique to VieNeu-TTS: deep-learning, on-device-ml, real-time, speech-synthesis. - You require a text-to-speech solution specifically tailored for the Vietnamese language. ### Choose chatterbox-tts-api if… - License: chatterbox-tts-api is AGPL-3.0, VieNeu-TTS is Apache-2.0. - 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 VieNeu-TTS - The application demands TTS services in languages other than Vietnamese. - You seek a solution that performs inference exclusively on GPUs as VieNeu-TTS prioritizes CPU usage even with GPU availability. - Deployment needs are not compatible with on-device processing, and cloud-based TTS solutions are preferred. ## 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 VieNeu-TTS and chatterbox-tts-api? VieNeu-TTS: Vietnamese TTS with instant voice cloning, on-device and real-time CPU inference. 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 VieNeu-TTS over chatterbox-tts-api? Choose VieNeu-TTS over chatterbox-tts-api when License: VieNeu-TTS is Apache-2.0, chatterbox-tts-api is AGPL-3.0; Tags unique to VieNeu-TTS: deep-learning, on-device-ml, real-time, speech-synthesis; You require a text-to-speech solution specifically tailored for the Vietnamese language. ### When should I choose chatterbox-tts-api over VieNeu-TTS? Choose chatterbox-tts-api over VieNeu-TTS when License: chatterbox-tts-api is AGPL-3.0, VieNeu-TTS is Apache-2.0; 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 VieNeu-TTS? The application demands TTS services in languages other than Vietnamese. You seek a solution that performs inference exclusively on GPUs as VieNeu-TTS prioritizes CPU usage even with GPU availability. Deployment needs are not compatible with on-device processing, and cloud-based TTS solutions are preferred. ### 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 VieNeu-TTS or chatterbox-tts-api more popular on GitHub? VieNeu-TTS has more GitHub stars (2,258 vs 666). Stars measure visibility, not whether either tool fits your constraints. ### Are VieNeu-TTS and chatterbox-tts-api open source? Yes - both are open-source projects on GitHub (VieNeu-TTS: Apache-2.0, chatterbox-tts-api: AGPL-3.0). ### Where can I find alternatives to VieNeu-TTS or chatterbox-tts-api? GraphCanon lists graph-backed alternatives at [VieNeu-TTS alternatives](/tools/pnnbao97-vieneu-tts/alternatives) and [chatterbox-tts-api alternatives](/tools/travisvn-chatterbox-tts-api/alternatives) ([VieNeu-TTS markdown twin](/tools/pnnbao97-vieneu-tts/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/pnnbao97-vieneu-tts-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, VieNeu-TTS or chatterbox-tts-api? VieNeu-TTS: 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 VieNeu-TTS and chatterbox-tts-api? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [VieNeu-TTS trust report](/tools/pnnbao97-vieneu-tts/trust); [chatterbox-tts-api trust report](/tools/travisvn-chatterbox-tts-api/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=pnnbao97-vieneu-tts`](/api/graphcanon/graph?tool=pnnbao97-vieneu-tts) - 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/_