--- title: Inworld Text to Speech — Voice Cloning | ModelsLab description: Clone voices in minutes with Inworld TTS. Sub-200ms latency, 15 languages, instant voice cloning from 5-15 seconds of audio. Try now. url: https://modelslab.com/inworld-text-to-speech canonical: https://modelslab.com/inworld-text-to-speech type: website component: Seo/ModelPage generated_at: 2026-04-22T21:05:01.981045Z --- Available now on ModelsLab · Voice & Audio Inworld Text To Speech Human voices. Real time. --- [Try Inworld Text To Speech](/models/inworld/inworld-tts-1) [API Documentation](https://docs.modelslab.com) Sample output Enterprise TTS. Radically Affordable. --- Instant Cloning ### Clone Any Voice in Minutes Create custom voices from just 5-15 seconds of audio, ready to use immediately. Lightning-Fast ### Sub-200ms Real-Time Latency Max model delivers <200ms P50 latency; Mini hits ~120ms for ultra-responsive conversations. Multilingual Support ### 15 Languages, One API Synthesize expressive speech across 15 languages with context-aware emotion and non-verbal controls. Examples See what Inworld Text To Speech can create --- Copy any prompt below and try it yourself in the [playground](/models/inworld/inworld-tts-1). Customer Support Agent “Create a professional customer support voice agent with warm, empathetic tone. Clone a company representative's voice using 10 seconds of training audio. Synthesize responses with natural pauses and professional delivery for live customer interactions.” Interactive AI Tutor “Generate an engaging educational voice for an AI coding tutor. Use instant voice cloning to personalize the instructor's voice. Synthesize explanations with varied pacing and emphasis on technical concepts for better comprehension.” Multilingual Voiceover “Produce high-quality voiceovers for a product demo video in English, Spanish, and French. Use the same cloned voice identity across all languages. Maintain consistent tone and expressiveness for professional brand presentation.” Real-Time Voice Agent “Build an interactive voice assistant with sub-200ms response latency. Clone a branded voice personality from company audio samples. Enable turn-taking conversations with natural speech patterns and emotional expressiveness.” For Developers A few lines of code. Clone voices. Three lines. --- ModelsLab handles the infrastructure: fast inference, auto-scaling, and a developer-friendly API. No GPU management needed. - **Serverless:** scales to zero, scales to millions - **Pay per second,** no minimums - **Python and JavaScript SDKs,** plus REST API [API Documentation ](https://docs.modelslab.com) PythonJavaScriptcURL Copy ```

import requests

response = requests.post(
    "https://modelslab.com/api/v7/voice/text-to-speech",
    json={
  "key": "YOUR_API_KEY",
  "prompt": "Hey, love. I just wanted to say… you're doing beautifully. Even if today felt a little messy, even if you didn’t get everything done  that’s okay. You’re still growing, still trying, still shining. I see your heart, your effort, your gentleness. And I just hope you can feel how much you're loved. So rest easy now. You’re safe, you’re enough, and I’m proud of you  more than words can say.",
  "voice_id": "Alex"
}
)
print(response.json())

``` FAQ Common questions about Inworld Text To Speech --- [Read the docs ](https://docs.modelslab.com) ### What is Inworld Text to Speech and how does voice cloning work? Inworld TTS is a high-quality, low-latency text-to-speech API that converts text into human-like speech with sub-200ms latency. Instant voice cloning lets you create custom voices from just 5-15 seconds of audio using zero-shot learning, ready to use in minutes. ### How fast is the Inworld Text to Speech API? Inworld TTS 1.5 Max delivers <200ms P50 latency, while the Mini model achieves ~120ms for ultra-fast synthesis. Both support streaming for real-time conversational experiences that feel natural and responsive. ### Can I use Inworld Text to Speech for multiple languages? Yes, Inworld TTS supports 15 languages with the same quality and latency performance. Voices work best when synthesizing text in the same language as the training audio, and you can clone voices across any supported language. ### What audio quality do I need for voice cloning? For best results, use audio recorded at 22 kHz sample rate with 16-bit depth. Instant voice cloning requires 5-15 seconds of audio; professional cloning uses 30+ minutes for higher fidelity. Vary emotion and delivery across clips for better voice quality. ### Is there a free tier for Inworld Text to Speech? Yes, Inworld offers free instant voice cloning through the Portal for all users. API access and professional voice cloning options are available with flexible pricing designed to be radically affordable compared to competitors. ### How does Inworld Text to Speech compare to other TTS alternatives? Inworld ranks #1 on industry TTS leaderboards like Hugging Face TTS Arena with superior voice quality and 40% lower word error rates. It combines instant voice cloning, sub-200ms latency, multilingual support, and 30% greater expressiveness at a fraction of competitor costs. Ready to create? --- Start generating with Inworld Text To Speech on ModelsLab. [Try Inworld Text To Speech](/models/inworld/inworld-tts-1) [API Documentation](https://docs.modelslab.com) --- *This markdown version is optimized for AI agents and LLMs.* **Links:** - [Website](https://modelslab.com) - [API Documentation](https://docs.modelslab.com) - [Blog](https://modelslab.com/blog) --- *Generated by ModelsLab - 2026-04-23*