IndexTTS — Try Bilibili's Open-Source TTS Model Online via Fish Speech
IndexTTS is an open-source industrial-grade text-to-speech model released by Bilibili. It achieves state-of-the-art voice cloning quality with a focus on consistency and naturalness across long-form content — available on Fish Speech.
IndexTTS kostenlos auf Fish Audio testen
Keine Kreditkarte erforderlich. Jeden Monat 2.000 kostenlose Credits.
Wichtige Funktionen
- ✓Industrial-grade voice cloning
- ✓Consistent quality across long-form content
- ✓Open-source (Apache 2.0)
- ✓Strong Chinese and English quality
- ✓Chunked generation for long texts
- ✓Low hallucination rate
Besonders geeignet für
- →Long-form narration
- →Open-source enthusiasts
- →Chinese content
- →Consistent voice across chapters
Unterstützte Sprachen
10+
Chinese, English, Japanese, Korean, Cantonese & mehr
IndexTTS im Vergleich zu Alternativen
| Plattform | Qualität | Geschwindigkeit | Sprachen | Stimmenklonen | Preise |
|---|---|---|---|---|---|
| Fish Speech (IndexTTS) | ★★★★★ | Medium | 10+ | ✓ 10s sample | Free tier + from $9/mo |
| Fish Audio | ★★★★★ | Ultra-fast | 40+ | ✓ | Free tier + from $9/mo |
| CosyVoice | ★★★★ | Fast | 10+ | ✓ | Free tier + from $9/mo |
| ElevenLabs | ★★★★★ | Fast | 32 | ✓ Paid only | From $5/mo (limited) |
Häufig gestellte Fragen
What is IndexTTS?
IndexTTS is an open-source industrial-grade TTS model released by Bilibili. It is designed for high-quality voice cloning with consistent output across long-form content like audiobooks and podcasts.
Is IndexTTS open source?
Yes. IndexTTS is released under the Apache 2.0 license. You can use it commercially via Fish Speech or self-host it.
How does IndexTTS compare to Fish Audio?
Both are strong open-source TTS models. IndexTTS excels at consistency in long-form content, while Fish Audio offers broader language support and lower latency for real-time use.
Can I try IndexTTS without setting up anything?
Yes. Fish Speech hosts IndexTTS so you can try it instantly in your browser — no GPU, no API key, no setup required.