--- title: "TTS vs EmotiVoice" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/mozilla-tts-vs-netease-youdao-emotivoice" tools: ["mozilla-tts", "netease-youdao-emotivoice"] --- # TTS vs EmotiVoice *GraphCanon updated Jul 29, 2026* ## Verdict Pick TTS if tTS is known for its deep learning capabilities in text-to-speech synthesis and supports Python versions up to 3.8; pick EmotiVoice if emotiVoice is an emotion-driven text-to-speech engine that emphasizes voice diversity and prompt control, allowing users to generate speech with varied emotions and speaking styles. [TTS](https://github.com/mozilla/TTS) reports 10k GitHub stars, 1.3k forks, and 37 open issues, last pushed Nov 9, 2023. [EmotiVoice](https://github.com/netease-youdao/EmotiVoice) has 8.5k stars, 754 forks, and 137 open issues, last pushed Aug 13, 2024. Figures are from public GitHub metadata via [TTS's repository](https://github.com/mozilla/TTS) and [EmotiVoice's repository](https://github.com/netease-youdao/EmotiVoice). | | [TTS](/tools/mozilla-tts.md) | [EmotiVoice](/tools/netease-youdao-emotivoice.md) | | --- | --- | --- | | Tagline | Deep learning for Text to Speech | A Multi-Voice and Prompt-Controlled TTS Engine | | Stars | 10,165 | 8,501 | | Forks | 1,322 | 754 | | Open issues | 37 | 137 | | Language | Jupyter Notebook | Python | | Adopt for | TTS is known for its deep learning capabilities in text-to-speech synthesis and supports Python versions up to 3.8. | EmotiVoice is an emotion-driven text-to-speech engine that emphasizes voice diversity and prompt control, allowing users to generate speech with varied emotions and speaking styles. | | Persona | - | - | | Runtime | - | - | | License | MPL-2.0 | Apache-2.0 | | Categories | Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [TTS](/tools/mozilla-tts.md) | [EmotiVoice](/tools/netease-youdao-emotivoice.md) | | --- | --- | --- | | Days since push | 992d | 714d | | Open issues (now) | 37 | 137 | | Owner type | Organization | User | | Full report | [trust report](/tools/mozilla-tts/trust.md) | [trust report](/tools/netease-youdao-emotivoice/trust.md) | ## Shared compatibility - **Python**: [TTS](/tools/mozilla-tts.md) - Python runtime; [EmotiVoice](/tools/netease-youdao-emotivoice.md) - Python runtime ## Decision facts: TTS - **Adopt for:** TTS is known for its deep learning capabilities in text-to-speech synthesis and supports Python versions up to 3.8. ## Decision facts: EmotiVoice - **Adopt for:** EmotiVoice is an emotion-driven text-to-speech engine that emphasizes voice diversity and prompt control, allowing users to generate speech with varied emotions and speaking styles. ## Choose when ### Choose TTS if… - TTS is primarily Jupyter Notebook; EmotiVoice is Python. - License: TTS is MPL-2.0, EmotiVoice is Apache-2.0. - Tags unique to TTS: dataset-analysis, gantts, glow-tts, melgan. - Use TTS when you require advanced deep learning models such as Tacotron, Tacotron2, MelGAN, and Multiband-MelGAN for high-quality voice synthesis tasks. ### Choose EmotiVoice if… - EmotiVoice is primarily Python; TTS is Jupyter Notebook. - License: EmotiVoice is Apache-2.0, TTS is MPL-2.0. - Tags unique to EmotiVoice: ai, emotion, multispeaker, prompt. - EmotiVoice ships Docker support for self-hosted deployment. - When you need a TTS solution capable of handling multiple speaker voices in a single project ## When NOT to use TTS - Avoid TTS if you require support for Python versions above 3.8 as it does not support later releases. - Do not use TTS if the only requirement is to run simple, unmodified speech synthesis tasks without training or custom development; other tools may offer easier setup. ## When NOT to use EmotiVoice - For setups without access to an NVidia GPU, as EmotiVoice requires one for running its Docker image - When deploying applications that have strict latency requirements and cannot accommodate the startup time of a Docker container or the processing demands of GPU computations ## Common questions ### What is the difference between TTS and EmotiVoice? TTS: Deep learning for Text to Speech. EmotiVoice: A Multi-Voice and Prompt-Controlled TTS Engine. See the comparison table for live GitHub stats and shared categories. ### When should I choose TTS over EmotiVoice? Choose TTS over EmotiVoice when TTS is primarily Jupyter Notebook; EmotiVoice is Python; License: TTS is MPL-2.0, EmotiVoice is Apache-2.0; Tags unique to TTS: dataset-analysis, gantts, glow-tts, melgan; Use TTS when you require advanced deep learning models such as Tacotron, Tacotron2, MelGAN, and Multiband-MelGAN for high-quality voice synthesis tasks. ### When should I choose EmotiVoice over TTS? Choose EmotiVoice over TTS when EmotiVoice is primarily Python; TTS is Jupyter Notebook; License: EmotiVoice is Apache-2.0, TTS is MPL-2.0; Tags unique to EmotiVoice: ai, emotion, multispeaker, prompt; EmotiVoice ships Docker support for self-hosted deployment; When you need a TTS solution capable of handling multiple speaker voices in a single project. ### When should I avoid TTS? Avoid TTS if you require support for Python versions above 3.8 as it does not support later releases. Do not use TTS if the only requirement is to run simple, unmodified speech synthesis tasks without training or custom development; other tools may offer easier setup. ### When should I avoid EmotiVoice? For setups without access to an NVidia GPU, as EmotiVoice requires one for running its Docker image When deploying applications that have strict latency requirements and cannot accommodate the startup time of a Docker container or the processing demands of GPU computations ### Is TTS or EmotiVoice more popular on GitHub? TTS has more GitHub stars (10,165 vs 8,501). Stars measure visibility, not whether either tool fits your constraints. ### Are TTS and EmotiVoice open source? Yes - both are open-source projects on GitHub (TTS: MPL-2.0, EmotiVoice: Apache-2.0). ### Where can I find alternatives to TTS or EmotiVoice? GraphCanon lists graph-backed alternatives at [TTS alternatives](/tools/mozilla-tts/alternatives) and [EmotiVoice alternatives](/tools/netease-youdao-emotivoice/alternatives) ([TTS markdown twin](/tools/mozilla-tts/alternatives.md), [EmotiVoice markdown twin](/tools/netease-youdao-emotivoice/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/mozilla-tts-vs-netease-youdao-emotivoice.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, TTS or EmotiVoice? TTS: Dormant. EmotiVoice: 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 TTS and EmotiVoice? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [TTS trust report](/tools/mozilla-tts/trust); [EmotiVoice trust report](/tools/netease-youdao-emotivoice/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=mozilla-tts`](/api/graphcanon/graph?tool=mozilla-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/_