Multilingual Text to Speech — 30+ Languages
Generate natural-sounding speech in over 30 languages with native pronunciation. From Hindi and Japanese to Arabic and Spanish, our AI models deliver authentic multilingual voice synthesis. Perfect for localization, language learning, international content, and cross-lingual voice cloning.
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Multilingual TTS Features
World-class speech synthesis across languages and accents
30+ Languages
英語、ヒンディー語、日本語、スペイン語、中国語、アラビア語、韓国語、フランス語、ドイツ語、ロシア語、ポルトガル語など30以上の言語で音声を生成します。
Native Pronunciation
Each model is trained on native speaker recordings, ensuring authentic pronunciation, intonation, and rhythm for every supported language.
Cross-Lingual Cloning
Clone a voice in one language and generate speech in another. CosyVoice 2 preserves voice identity across 8 languages for global content.
RTL Language Support
Full support for right-to-left languages including Arabic, Hebrew, Urdu, and Persian with correct text processing and natural speech output.
Language Detection
Automatic language detection identifies input text language and routes to the appropriate model and voice for optimal pronunciation quality.
Accent Variants
Multiple accent options within languages — American, British, Indian, and Australian English; European and Latin American Spanish; and more regional variants.
Best Models for Multilingual TTS
Models with the widest language support and best cross-lingual quality
CosyVoice 2
Standard
Alibaba's scalable streaming TTS with human-parity naturalness and near-zero latency.
最適な場所: Best multilingual model — 8 languages with cross-lingual voice cloning
トライ CosyVoice 2
MeloTTS
Free
High-quality multilingual text-to-speech that runs on CPU with minimal latency.
最適な場所: Free multilingual TTS with multiple accent variants per language
トライ MeloTTS
GPT-SoVITS
Standard
Few-shot voice cloning TTS that replicates any voice from just 5 seconds of audio.
最適な場所: Few-shot cloning across English, Chinese, Japanese, and Korean
トライ GPT-SoVITS
Bark
Standard
Transformer-based text-to-audio model that generates realistic speech, music, and sound effects.
最適な場所: 13+ languages with emotional expression and sound effects
トライ Bark
Kokoro
Free
Lightweight 82M parameter model delivering studio-quality speech with blazing-fast inference.
最適な場所: Ultra-fast generation across 9 languages with studio quality
トライ KokoroHow to Generate Multilingual Speech
Natural speech in any language in seconds
Select Your Language
Choose from 30+ supported languages. The system can also auto-detect the language of your input text for convenience.
Enter Text in Any Language
Type or paste text in your target language. Full Unicode support handles all scripts including CJK, Devanagari, Arabic, Cyrillic, and more.
Choose a Native Voice
あなたの言語に最適化された音声を選択します。それぞれの言語は、利用可能な場合は地域アクセントの変種を含む複数の音声オプションを提供します。
Generate & Download
母国語の発音で音声を生成し、MP3 または WAV としてダウンロードします。複数の言語でバッチ生成するための API を使用します。
Supported Languages
Languages available across our multilingual TTS models
Americas & Europe
- English (US, UK, AU)
- Spanish (ES, MX)
- Portuguese (BR, PT)
- French (FR, CA)
- German
- イタリア語Name
- オランダ語
- Polish
East Asia
- Chinese (Mandarin)
- Chinese (Cantonese)
- 日本語
- Korean
- Vietnamese
- Thai
- インドネシア語
- Malay
South Asia & Middle East
- Hindi
- Arabic
- Turkish
- Bengali
- Tamil
- Urdu
- Persian
- Hebrew
More Languages
- Russian
- Ukrainian
- チェコ語
- Romanian
- Greek
- Swedish
- Finnish
- ハンガリー語
Cross-Lingual Voice Cloning
Speak any language in your own voice
Clone Your Voice, Speak Any Language
Record a 10-second voice sample in your native language, then generate speech in any of our 30+ supported languages. The AI preserves your unique vocal characteristics — timbre, pitch, speaking style — while producing native-sounding pronunciation in the target language. Perfect for content creators reaching global audiences.
- 10-second voice sample is all you need
- Your voice characteristics preserved across languages
- Native pronunciation and intonation
- Models: CosyVoice2, OpenVoice, Fish Speech
Content Localization
Localize videos, courses, and podcasts into multiple languages while keeping the same speaker voice. A YouTube creator can publish the same video in English, Spanish, Hindi, and Japanese — all with their own voice, sounding natural in each language. No dubbing studio needed.
- Localize content without re-recording
- Same voice across all language versions
- Batch processing for large projects
- API integration for automated pipelines
Multilingual API Integration
Generate speech in any language with a single API call
import requests
languages = {
"en": "Hello, welcome to our service!",
"es": "Hola, bienvenido a nuestro servicio!",
"ja": "こんにちは、サービスへようこそ！",
"hi": "नमस्ते, हमारी सेवा में आपका स्वागत है!",
"ar": "مرحبا، مرحبا بكم في خدمتنا!"
}
for lang, text in languages.items():
response = requests.post("https://api.tts.ai/v1/tts", json={
"text": text,
"model": "cosyvoice2",
"language": lang,
"format": "mp3"
}, headers={"Authorization": "Bearer YOUR_API_KEY"})
with open(f"welcome_{lang}.mp3", "wb") as f:
f.write(response.content)No Per-Language Pricing
All 30+ languages are included in every plan. No extra charges for non-English languages.
Free Tier
$0
50 credits on signup
- MeloTTS multilingual (free)
- 6+ languages on free tier
- No signup required
Starter
$9
500 credits/month
- All 30+ languages
- Cross-lingual voice cloning
- All multilingual models
Pro
$29
2000 credits/month
- Priority multilingual processing
- Batch localization
- Enterprise API access
よくある質問
Common questions about multilingual text to speech