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Voice Library

Browse, preview, and compare 100+ AI voices across 24+ models. Find the perfect voice for your project.

101+ Voices

Featured Voices

Tortoise TTS

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Tortoise TTS
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1 voices found

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Voices by AI Model

Each TTS model has its own set of voices with unique characteristics. Some models support voice cloning, allowing you to use any voice as a reference.

Tortoise TTSTortoise TTS 1 voices Premium

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Multi-voice text-to-speech focused on quality with autoregressive architecture.

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Understanding AI Voices

Voice Quality Tiers

TTS.ai offers voices across three quality tiers. Free-tier voices from Piper, VITS, and MeloTTS deliver fast, good-quality synthesis at no cost. Standard-tier voices from models like Kokoro and CosyVoice 2 offer more natural prosody and emotion. Premium-tier voices from OpenVoice, Chatterbox, and StyleTTS 2 provide the most realistic, human-like speech available in open-source TTS.

Multilingual Voices

Many voices support multiple languages. Some models like CosyVoice 2 and GPT-SoVITS support cross-lingual synthesis, where a voice trained in one language can speak naturally in another. The language filter above lets you find voices that natively support your target language, ensuring the best pronunciation and intonation.

Voice Cloning

Some models support voice cloning, which means you can use any voice as a reference to create speech that sounds like that person. Upload a short audio sample (10-30 seconds) and the model will adapt to match the voice characteristics. Models that support cloning include GPT-SoVITS, CosyVoice 2, and Chatterbox.

Choosing the Right Voice

The best voice depends on your use case. For audiobooks and podcasts, use premium voices with natural prosody. For game characters, explore diverse voices across models. For accessibility and screen readers, choose clear, well-paced voices. For quick prototyping, free-tier voices offer instant results with no credit cost. Preview each voice with the play button before making your choice.

Frequently Asked Questions

TTS.ai offers 100+ AI voices across 24 text-to-speech models. Voices span multiple languages, genders, accents, and speaking styles. New voices are added regularly as we expand our model library.

Yes, many voices have audio previews you can listen to directly on this page. Click the play button next to any voice with a preview to hear a sample. You can also test any voice on the Text to Speech page with your own text.

Use the filter controls at the top of the page to narrow voices by model, language, or gender. You can combine filters to find exactly the voice you need — for example, female English voices from the Kokoro model.

Free voices (Kokoro, Piper, VITS, MeloTTS) require no credits. Standard voices (Bark, CosyVoice 2, Dia, Fish Speech) cost 2 credits per 1K characters. Premium voices (Chatterbox, Tortoise) cost 4 credits per 1K characters and offer the highest quality.

Kokoro (free tier) is rated 5/5 for quality and is the most natural-sounding free option. For premium quality, Chatterbox and Tortoise offer exceptional naturalness with voice cloning support. Listen to the previews to judge which voice suits your needs best.

Yes, all voices can be used commercially. Our models use open-source licenses (MIT, Apache 2.0). The generated audio is yours to use in videos, podcasts, apps, games, and any other commercial application.

Our voice library covers 30+ languages including English, Spanish, French, German, Italian, Portuguese, Chinese, Japanese, Korean, Arabic, Russian, Hindi, Dutch, Polish, Turkish, and many more. Language availability varies by model.

Yes, use our Voice Cloning tool to create a custom voice from just 5-30 seconds of reference audio. Cloned voices appear in your account under "My Voices" and can be reused for future text-to-speech generations.

Consider your use case: for audiobooks, choose expressive voices like those from Bark or Chatterbox. For apps and IVR, choose clear voices from Kokoro or MeloTTS. For multilingual content, use CosyVoice 2 or GPT-SoVITS. Preview several options to find the best fit.

Yes, several models offer accent varieties. MeloTTS provides American, British, Indian, and Australian English accents. Other models have regional voice variants for Spanish, French, Portuguese, and Chinese. Filter by language to explore accent options.

Yes, all voices are accessible through our REST API. Specify the model and voice ID in your API request to generate speech with any voice programmatically. See our API Documentation page for code examples and voice ID references.

We regularly add new voices as we integrate additional TTS models and expand existing ones. Follow our updates to stay informed about new voice additions, model improvements, and language expansions.

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