LibreAI / Audio / index-tts
// audio · index-tts/index-tts

index-tts

index-tts ist ein Open-Source-Projekt aus der Kategorie Audio von index-tts (index-tts/index-tts auf GitHub). Es hat 24.364 Sterne auf GitHub und 2.890 Forks, wird unter der Lizenz NOASSERTION veröffentlicht und wurde zuletzt am 29. September 2026 auf GitHub aktualisiert.

IndexTTS: industrial-level, controllable zero-shot text-to-speech with voice cloning

★ 24,4 Tsd. Sterne⑂ 2,9 Tsd. ForksNOASSERTIONaktualisiert Sep 2026
▦ Visual — das README dieses Projekts enthält keinen einbettbaren Screenshot,
darum hier ein Platzhalter. Die Anleitung unten ist trotzdem vollständig.
// projektdaten

Projektdaten

GitHub-Sterne
24.364
Forks
2.890
Lizenz
NOASSERTION
Zuletzt auf GitHub aktualisiert
29. September 2026
Kategorie
Audio
Eintragstyp
Vollständige Installationsanleitung
// so funktioniert es

So funktioniert es

  1. Clarify your goal

    Decide what you want to achieve with index-tts and check the README on GitHub for requirements before installing.

  2. Get the code

    Clone the repository from GitHub (or take the packaged install route in step 3 if the README offers one).

  3. Install and configure

    Follow the project's documented install commands — the Run section below lists the exact ones — and add any required API keys or models.

  4. Run your first task

    Work through the README's quickstart example end to end, then adapt it to your own project or data.

// funktionen

Warum es so beliebt ist

Zero-shot voice cloning

Synthesize a speaker's voice from a reference clip without per-speaker training.

Controllable synthesis

IndexTTS-2 adds fine-grained control (including emotional expression) beyond plain cloning.

Multilingual support

The Python API examples cover multilingual generation with language selection.

Model zoo

Multiple released versions (2.5 and 2) let you trade quality, speed and features.

Web demo and API

Run the bundled web demo for quick tests, or integrate through the Python API.

vLLM serving

Documented vLLM serving path for higher-throughput deployment.

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// selbst ausführen

Führe es selbst aus

  1. Clone the repository

    Get the IndexTTS source.

    git clone https://github.com/index-tts/index-tts.git
    cd index-tts
  2. Install dependencies

    Install uv and the project dependencies as in the README's 'Install Dependencies' step, then download the IndexTTS-2.5 or IndexTTS-2 models.

    pip install -U uv
    # then follow README steps 2-3 for dependency install and model download
  3. Launch the web demo

    Start the bundled web UI for your chosen model version and synthesize speech from a reference clip.

    # see the README 'Web Demo' commands for IndexTTS-2.5 (default) or IndexTTS-2
// anwendungsfälle

Was du damit bauen kannst

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// häufige fragen

Häufige Fragen

Who maintains index-tts?

index-tts is maintained by the index-tts organization/account on GitHub, together with open-source contributors, in the public repository index-tts/index-tts.

Is index-tts free to use?

Yes — the code is open source under the NOASSERTION license. Check the repository's LICENSE file for the exact terms before commercial use.

Does index-tts need a paid API key?

No API key — models are downloadable and run locally; you need a suitable GPU for reasonable speed, and rights to any voice you clone.

How does index-tts compare to OpenVoice / CosyVoice?

All three are open zero-shot TTS systems; IndexTTS positions itself on industrial-grade controllability (emotion, duration) and an actively versioned model zoo.

How do I get started with index-tts?

Clone the repository from GitHub, follow the install commands in the Run section (taken from the project's README), and complete the documented quickstart example before adapting it to your own use case.

// weiter entdecken

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// alternativen

Alternativen im Bereich Audio

Die anderen Projekte der Kategorie Audio mit den meisten Sternen im LibreAI-Katalog — die realistische Auswahl, falls index-tts nicht das Richtige ist.

// mehr in audio

Mehr in Audio

Verwandte Projekte der Kategorie Audio im Katalog, die index-tts bei den Sternen am nächsten stehen — zum Weiterstöbern auf beiden Seiten.

Hol dir index-tts

Kostenlos und offen — hol dir den Quellcode, gib dem Repository einen Stern und leg los.