--- title: "ChatTTS vs Chatterbox-TTS-Server" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/2noise-chattts-vs-devnen-chatterbox-tts-server" tools: ["2noise-chattts", "devnen-chatterbox-tts-server"] --- # ChatTTS vs Chatterbox-TTS-Server *GraphCanon updated Aug 16, 2026* ## Verdict Pick ChatTTS if chatTTS is a Python-based repository for generating speech tailored to everyday conversations in both Chinese and English; pick Chatterbox-TTS-Server if chatterbox-TTS-Server: Self-hostable TTS solution with Web UI, APIs, voice cloning, and large-scale text support across CUDA, ROCm, CPU. [ChatTTS](https://2noise.com) reports 40k GitHub stars, 4.3k forks, and 60 open issues, last pushed Apr 10, 2026. [Chatterbox-TTS-Server](https://colab.research.google.com/github/devnen/Chatterbox-TTS-Server/blob/main/Chatterbox_TTS_Colab_Demo.ipynb) has 1.4k stars, 333 forks, and 45 open issues, last pushed May 26, 2026. Figures are from public GitHub metadata via [ChatTTS's repository](https://github.com/2noise/ChatTTS) and [Chatterbox-TTS-Server's repository](https://github.com/devnen/Chatterbox-TTS-Server). | | [ChatTTS](/tools/2noise-chattts.md) | [Chatterbox-TTS-Server](/tools/devnen-chatterbox-tts-server.md) | | --- | --- | --- | | Tagline | A generative speech model for daily dialogue | Self-host the Chatterbox TTS model with a user-friendly Web UI and flexible API endpoints | | Stars | 39,768 | 1,379 | | Forks | 4,257 | 333 | | Open issues | 60 | 45 | | Language | Python | Python | | Adopt for | ChatTTS is a Python-based repository for generating speech tailored to everyday conversations in both Chinese and English. | Chatterbox-TTS-Server: Self-hostable TTS solution with Web UI, APIs, voice cloning, and large-scale text support across CUDA, ROCm, CPU. | | Persona | - | - | | Runtime | - | - | | License | Licensed under AGPL-3.0, which allows for free use, distribution, and modification as long as these rights are maintained in derivative works. | MIT License, open-source with permissive terms for modification and distribution. | | Categories | AI Agents, Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [ChatTTS](/tools/2noise-chattts.md) | [Chatterbox-TTS-Server](/tools/devnen-chatterbox-tts-server.md) | | --- | --- | --- | | Maintenance | Slowing (36%) | Steady (60%) | | Days since push | 127d | 64d | | Open issues (now) | 60 | 45 | | Stars delta | +140 (30d) | Unknown | | Open issues delta | -1 (30d) | Unknown | | Owner type | Organization | User | | Full report | [trust report](/tools/2noise-chattts/trust.md) | [trust report](/tools/devnen-chatterbox-tts-server/trust.md) | ## Shared compatibility - **Python**: [ChatTTS](/tools/2noise-chattts.md) - Python runtime; [Chatterbox-TTS-Server](/tools/devnen-chatterbox-tts-server.md) - Python runtime ## Decision facts: ChatTTS - **Hosting:** unknown - **Requirements:** Python-based implementation means that familiarity with Python is necessary for effective use. - **Adopt for:** ChatTTS is a Python-based repository for generating speech tailored to everyday conversations in both Chinese and English. - **License detail:** Licensed under AGPL-3.0, which allows for free use, distribution, and modification as long as these rights are maintained in derivative works. ## Decision facts: Chatterbox-TTS-Server - **Requirements:** Python 3.10 needed for pre-built wheels; avoid Python >=3.11 due to lack of support.; Ensure hardware and driver meets the Hardware Compatibility Matrix requirements. - **Adopt for:** Chatterbox-TTS-Server: Self-hostable TTS solution with Web UI, APIs, voice cloning, and large-scale text support across CUDA, ROCm, CPU. - **License detail:** MIT License, open-source with permissive terms for modification and distribution. ## Choose when ### Choose ChatTTS if… - License: ChatTTS is AGPL-3.0, Chatterbox-TTS-Server is MIT. - Requirements: Python-based implementation means that familiarity with Python is necessary for effective use.. - Tags unique to ChatTTS: agent, chatgpt, chattts, chinese language. - Also covers AI Agents. - Use ChatTTS when you require text-to-speech functionality for daily dialogue applications, especially those involving Chinese or English languages. ### Choose Chatterbox-TTS-Server if… - License: Chatterbox-TTS-Server is MIT, ChatTTS is AGPL-3.0. - Requirements: Python 3.10 needed for pre-built wheels; avoid Python >=3.11 due to lack of support.; Ensure hardware and driver meets the Hardware Compatibility Matrix requirements.. - Tags unique to Chatterbox-TTS-Server: ai, api-server, audio-generation, chatterbox. - Chatterbox-TTS-Server ships Docker support for self-hosted deployment. - You need a self-hosted Text-to-Speech service that supports advanced features like voice cloning. ## When NOT to use ChatTTS - Avoid using ChatTTS in environments where the speech generation model is expected to handle complex technical jargon or specialized vocabulary, as it's optimized for daily conversation. - Do not use ChatTTS if your project requires the integration of more than two languages simultaneously due to its current support for only Chinese and English. ## When NOT to use Chatterbox-TTS-Server - When only pre-built wheels and no flexibility with Python versions is required (strictly follows Python 3.10). - If your hardware or OS lacks support detailed in the compatibility matrix, like unsupported GPUs/CPU setups. - For projects requiring minimal dependencies without manual handling of installation intricacies. ## Common questions ### What is the difference between ChatTTS and Chatterbox-TTS-Server? ChatTTS: A generative speech model for daily dialogue. Chatterbox-TTS-Server: Self-host the Chatterbox TTS model with a user-friendly Web UI and flexible API endpoints. See the comparison table for live GitHub stats and shared categories. ### When should I choose ChatTTS over Chatterbox-TTS-Server? Choose ChatTTS over Chatterbox-TTS-Server when License: ChatTTS is AGPL-3.0, Chatterbox-TTS-Server is MIT; Requirements: Python-based implementation means that familiarity with Python is necessary for effective use.; Tags unique to ChatTTS: agent, chatgpt, chattts, chinese language; Also covers AI Agents; Use ChatTTS when you require text-to-speech functionality for daily dialogue applications, especially those involving Chinese or English languages. ### When should I choose Chatterbox-TTS-Server over ChatTTS? Choose Chatterbox-TTS-Server over ChatTTS when License: Chatterbox-TTS-Server is MIT, ChatTTS is AGPL-3.0; Requirements: Python 3.10 needed for pre-built wheels; avoid Python >=3.11 due to lack of support.; Ensure hardware and driver meets the Hardware Compatibility Matrix requirements.; Tags unique to Chatterbox-TTS-Server: ai, api-server, audio-generation, chatterbox; Chatterbox-TTS-Server ships Docker support for self-hosted deployment; You need a self-hosted Text-to-Speech service that supports advanced features like voice cloning. ### When should I avoid ChatTTS? Avoid using ChatTTS in environments where the speech generation model is expected to handle complex technical jargon or specialized vocabulary, as it's optimized for daily conversation. Do not use ChatTTS if your project requires the integration of more than two languages simultaneously due to its current support for only Chinese and English. ### When should I avoid Chatterbox-TTS-Server? When only pre-built wheels and no flexibility with Python versions is required (strictly follows Python 3.10). If your hardware or OS lacks support detailed in the compatibility matrix, like unsupported GPUs/CPU setups. For projects requiring minimal dependencies without manual handling of installation intricacies. ### Is ChatTTS or Chatterbox-TTS-Server more popular on GitHub? ChatTTS has more GitHub stars (39,768 vs 1,379). Stars measure visibility, not whether either tool fits your constraints. ### Are ChatTTS and Chatterbox-TTS-Server open source? Yes - both are open-source projects on GitHub (ChatTTS: AGPL-3.0, Chatterbox-TTS-Server: MIT). ### Where can I find alternatives to ChatTTS or Chatterbox-TTS-Server? GraphCanon lists graph-backed alternatives at [ChatTTS alternatives](/tools/2noise-chattts/alternatives) and [Chatterbox-TTS-Server alternatives](/tools/devnen-chatterbox-tts-server/alternatives) ([ChatTTS markdown twin](/tools/2noise-chattts/alternatives.md), [Chatterbox-TTS-Server markdown twin](/tools/devnen-chatterbox-tts-server/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/2noise-chattts-vs-devnen-chatterbox-tts-server.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, ChatTTS or Chatterbox-TTS-Server? ChatTTS: Slowing. Chatterbox-TTS-Server: Steady. 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 ChatTTS and Chatterbox-TTS-Server? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [ChatTTS trust report](/tools/2noise-chattts/trust); [Chatterbox-TTS-Server trust report](/tools/devnen-chatterbox-tts-server/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=2noise-chattts`](/api/graphcanon/graph?tool=2noise-chattts) - 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/_