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Coqui TTS amassed over 45,000 GitHub stars as one of the most popular open-source text-to-speech projects, then appeared to go dormant. But the project is not dead: a community-maintained fork is actively continuing development, and you should start there rather than the origina…
Coqui TTS amassed over 45,000 GitHub stars as one of the most popular open-source text-to-speech projects, then appeared to go dormant. But the project is not dead: a community-maintained fork is actively continuing development, and you should start there rather than the original repository.
Coqui TTS is an open-source toolkit for text-to-speech, voice cloning, and voice conversion. Rather than being a single model, it is a library of models: you choose the one that fits your needs based on speed, quality, language support, and hardware constraints. It can turn text into speech, generate new sentences in a cloned voice from a short reference sample, or convert one voice into another in an existing audio file.
The most notable model in the toolkit is XTTS v2, which supports 17 languages and advertises streaming latency under 200 milliseconds. The library also connects to Fairseq models that cover approximately 1,100 languages, though quality varies significantly across that range.
The toolkit wraps multiple speech models behind a unified interface. You install the maintained package, coqui-tts, choose a model, and generate audio. For voice cloning, you provide a short, clean WAV reference file and the model generates new text in a similar voice. For voice conversion, you provide an existing audio file and a target voice, and the model transforms the source.
The maintained fork lives at idiap/coqui-ai-TTS and publishes the coqui-tts package. The original coqui-ai/TTS repository, despite its popularity, has not been updated since its last release in December 2023. Installing the old package will likely lead to compatibility issues. The setup process involves installing PyTorch, then the package, then selecting a model and generating output.
TTScoqui-ttsVoice cloning should only be used with the consent of the person whose voice is being cloned. This is both an ethical and increasingly a legal requirement. The 1,100-language coverage from Fairseq models sounds impressive, but quality varies widely: you should test any language you plan to use before relying on it. Running locally means your hardware does the heavy lifting: larger models require significant GPU resources, and inference speed depends on your setup. The original repository is unmaintained, so if you find old tutorials pointing to coqui-ai/TTS or the TTS package, be aware they may lead to broken installations. Finally, Coqui TTS is a toolkit, not a one-click product: you need to select the right model, configure it properly, and verify output quality yourself.
Coqui TTS is for developers, content creators, and researchers who need text-to-speech or voice cloning capabilities and want to run locally or integrate into a product. It is not for someone looking for a polished, one-button app. If you are building narration for videos, audiobooks, game dialogue, accessibility tools, or prototyping a voice feature before committing to a paid API, Coqui TTS is a strong starting point.
Start with the maintained fork, pick a model that matches your needs, and test before you ship. That is the entire workflow.