--- title: "chatterbox-tts-api vs openai-edge-tts" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/travisvn-chatterbox-tts-api-vs-travisvn-openai-edge-tts" tools: ["travisvn-chatterbox-tts-api", "travisvn-openai-edge-tts"] --- # chatterbox-tts-api vs openai-edge-tts *GraphCanon updated Aug 13, 2026* ## Verdict 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; pick openai-edge-tts if openai-edge-tts is a text-to-speech API endpoint for edge computing. It replaces cloud-based solutions like OpenAI. [chatterbox-tts-api](https://chatterboxtts.com) reports 666 GitHub stars, 152 forks, and 16 open issues, last pushed Dec 23, 2025. [openai-edge-tts](https://tts.travisvn.com) has 2.0k stars, 304 forks, and 11 open issues, last pushed Jul 1, 2025. Figures are from public GitHub metadata via [chatterbox-tts-api's repository](https://github.com/travisvn/chatterbox-tts-api) and [openai-edge-tts's repository](https://github.com/travisvn/openai-edge-tts). | | [chatterbox-tts-api](/tools/travisvn-chatterbox-tts-api.md) | [openai-edge-tts](/tools/travisvn-openai-edge-tts.md) | | --- | --- | --- | | Tagline | Local OpenAI-compatible text-to-speech API using Chatterbox | Free text-to-speech API for edge computing | | Stars | 666 | 2,007 | | Forks | 152 | 304 | | Open issues | 16 | 11 | | Language | Python | Python | | 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. | openai-edge-tts is a text-to-speech API endpoint for edge computing. It replaces cloud-based solutions like OpenAI. | | Persona | - | - | | Runtime | - | - | | License | Chatterbox-TTS-API is distributed under the AGPL-3.0 license, ensuring any modifications or derivative works must be shared openly. | GPL-3.0 | | Categories | Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [chatterbox-tts-api](/tools/travisvn-chatterbox-tts-api.md) | [openai-edge-tts](/tools/travisvn-openai-edge-tts.md) | | --- | --- | --- | | Maintenance | Slowing (36%) | Dormant (18%) | | Days since push | 232d | 392d | | Open issues (now) | 16 | 11 | | Full report | [trust report](/tools/travisvn-chatterbox-tts-api/trust.md) | [trust report](/tools/travisvn-openai-edge-tts/trust.md) | ## Shared compatibility - **Python**: [chatterbox-tts-api](/tools/travisvn-chatterbox-tts-api.md) - Python runtime; [openai-edge-tts](/tools/travisvn-openai-edge-tts.md) - Python runtime ## 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. ## Decision facts: openai-edge-tts - **Adopt for:** openai-edge-tts is a text-to-speech API endpoint for edge computing. It replaces cloud-based solutions like OpenAI. ## Choose when ### Choose chatterbox-tts-api if… - License: chatterbox-tts-api is AGPL-3.0, openai-edge-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, elevenlabs. - 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. ### Choose openai-edge-tts if… - License: openai-edge-tts is GPL-3.0, chatterbox-tts-api is AGPL-3.0. - Tags unique to openai-edge-tts: cloud-replacement, edge-tts, text-to-speech, tts. - openai-edge-tts ships Docker support for self-hosted deployment. - You need text-to-speech services locally without relying on the internet or external APIs. ## 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. ## When NOT to use openai-edge-tts - Requires self-management of a Docker environment for setup and maintenance. - Does not support as many out-of-the-box audio formats without including FFmpeg. - Not suitable if you prefer managed cloud services that handle updates and scaling automatically. ## Common questions ### What is the difference between chatterbox-tts-api and openai-edge-tts? chatterbox-tts-api: Local OpenAI-compatible text-to-speech API using Chatterbox. openai-edge-tts: Free text-to-speech API for edge computing. See the comparison table for live GitHub stats and shared categories. ### When should I choose chatterbox-tts-api over openai-edge-tts? Choose chatterbox-tts-api over openai-edge-tts when License: chatterbox-tts-api is AGPL-3.0, openai-edge-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, elevenlabs; 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 choose openai-edge-tts over chatterbox-tts-api? Choose openai-edge-tts over chatterbox-tts-api when License: openai-edge-tts is GPL-3.0, chatterbox-tts-api is AGPL-3.0; Tags unique to openai-edge-tts: cloud-replacement, edge-tts, text-to-speech, tts; openai-edge-tts ships Docker support for self-hosted deployment; You need text-to-speech services locally without relying on the internet or external APIs. ### 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. ### When should I avoid openai-edge-tts? Requires self-management of a Docker environment for setup and maintenance. Does not support as many out-of-the-box audio formats without including FFmpeg. Not suitable if you prefer managed cloud services that handle updates and scaling automatically. ### Is chatterbox-tts-api or openai-edge-tts more popular on GitHub? openai-edge-tts has more GitHub stars (2,007 vs 666). Stars measure visibility, not whether either tool fits your constraints. ### Are chatterbox-tts-api and openai-edge-tts open source? Yes - both are open-source projects on GitHub (chatterbox-tts-api: AGPL-3.0, openai-edge-tts: GPL-3.0). ### Where can I find alternatives to chatterbox-tts-api or openai-edge-tts? GraphCanon lists graph-backed alternatives at [chatterbox-tts-api alternatives](/tools/travisvn-chatterbox-tts-api/alternatives) and [openai-edge-tts alternatives](/tools/travisvn-openai-edge-tts/alternatives) ([chatterbox-tts-api markdown twin](/tools/travisvn-chatterbox-tts-api/alternatives.md), [openai-edge-tts markdown twin](/tools/travisvn-openai-edge-tts/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/travisvn-chatterbox-tts-api-vs-travisvn-openai-edge-tts.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, chatterbox-tts-api or openai-edge-tts? chatterbox-tts-api: Slowing. openai-edge-tts: Dormant. 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-api and openai-edge-tts? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [chatterbox-tts-api trust report](/tools/travisvn-chatterbox-tts-api/trust); [openai-edge-tts trust report](/tools/travisvn-openai-edge-tts/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=travisvn-chatterbox-tts-api`](/api/graphcanon/graph?tool=travisvn-chatterbox-tts-api) - 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/_