--- title: "ChatTTS vs edge-tts" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/2noise-chattts-vs-rany2-edge-tts" tools: ["2noise-chattts", "rany2-edge-tts"] --- # ChatTTS vs edge-tts *GraphCanon updated Jul 11, 2026* ## Verdict Pick ChatTTS when license: ChatTTS is AGPL-3.0, edge-tts is Other; pick edge-tts when license: edge-tts is Other, ChatTTS is AGPL-3.0. [ChatTTS](https://2noise.com) reports 40k GitHub stars, 4.2k forks, and 63 open issues, last pushed Apr 10, 2026. [edge-tts](https://pypi.org/project/edge-tts/) has 11k stars, 1.1k forks, and 4 open issues, last pushed Mar 22, 2026. Figures are from public GitHub metadata via [ChatTTS's repository](https://github.com/2noise/ChatTTS) and [edge-tts's repository](https://github.com/rany2/edge-tts). | | [ChatTTS](/tools/2noise-chattts.md) | [edge-tts](/tools/rany2-edge-tts.md) | | --- | --- | --- | | Tagline | A generative speech model for daily dialogue | Use Microsoft Edge's online text-to-speech service from Python WITHOUT needing Microsoft Edge or Windows or an API key | | Stars | 39,593 | 11,478 | | Forks | 4,249 | 1,056 | | Open issues | 63 | 4 | | Language | Python | Python | | Adopt for | ChatTTS is a Python-based repository for generating speech tailored to everyday conversations in both Chinese and English. | - | | 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. | Other | | Categories | AI Agents, Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [ChatTTS](/tools/2noise-chattts.md) | [edge-tts](/tools/rany2-edge-tts.md) | | --- | --- | --- | | Days since push | 91d | 110d | | Open issues (now) | 63 | 4 | | Owner type | Organization | User | | Full report | [trust report](/tools/2noise-chattts/trust.md) | [trust report](/tools/rany2-edge-tts/trust.md) | ## 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. ## Choose when ### Choose ChatTTS if… - License: ChatTTS is AGPL-3.0, edge-tts is Other. - 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 edge-tts if… - License: edge-tts is Other, ChatTTS is AGPL-3.0. - Tags unique to edge-tts: python, speech-synthesis, text-to-speech, tts. - Leaner open-issue backlog (4). ## 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 edge-tts - Last GitHub push was 111 days ago (slowing maintenance, Mar 22, 2026). Validate activity before betting a new project on edge-tts. ## Common questions ### What is the difference between ChatTTS and edge-tts? ChatTTS: A generative speech model for daily dialogue. edge-tts: Use Microsoft Edge's online text-to-speech service from Python WITHOUT needing Microsoft Edge or Windows or an API key. See the comparison table for live GitHub stats and shared categories. ### When should I choose ChatTTS over edge-tts? Choose ChatTTS over edge-tts when License: ChatTTS is AGPL-3.0, edge-tts is Other; 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 edge-tts over ChatTTS? Choose edge-tts over ChatTTS when License: edge-tts is Other, ChatTTS is AGPL-3.0; Tags unique to edge-tts: python, speech-synthesis, text-to-speech, tts; Leaner open-issue backlog (4). ### 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 edge-tts? Last GitHub push was 111 days ago (slowing maintenance, Mar 22, 2026). Validate activity before betting a new project on edge-tts. ### Is ChatTTS or edge-tts more popular on GitHub? ChatTTS has more GitHub stars (39,593 vs 11,478). Stars measure visibility, not whether either tool fits your constraints. ### Are ChatTTS and edge-tts open source? Yes - both are open-source projects on GitHub (ChatTTS: AGPL-3.0, edge-tts: Other). ### Where can I find alternatives to ChatTTS or edge-tts? GraphCanon lists graph-backed alternatives at [ChatTTS alternatives](/tools/2noise-chattts/alternatives) and [edge-tts alternatives](/tools/rany2-edge-tts/alternatives) ([ChatTTS markdown twin](/tools/2noise-chattts/alternatives.md), [edge-tts markdown twin](/tools/rany2-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/2noise-chattts-vs-rany2-edge-tts.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, ChatTTS or edge-tts? ChatTTS: Slowing. edge-tts: 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 ChatTTS and edge-tts? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [ChatTTS trust report](/tools/2noise-chattts/trust); [edge-tts trust report](/tools/rany2-edge-tts/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/_