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To celebrate the launch of Inworld TTS, for a limited time, all usage in TTS Playground is free.
Inworld’s text-to-speech (TTS) models offer ultra-realistic, context-aware speech synthesis and precise voice cloning capabilities, enabling developers to build natural and engaging experiences with human-like speech quality at an accessible price point. Our models can be accessed via API or the TTS Playground.

Developer quickstart

Learn how to make your first API call in minutes with a guided tutorial.

TTS Playground

Try different TTS models and voice cloning in TTS Playground.

Code Examples

Browse ready-to-use GitHub samples for common use cases.

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Models

Inworld TTS

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Our flagship model, offering cost-efficient, ultra-realistic speech

  • Rich, expressive speech and low-latency
  • Support for 12 languages
  • Optimized for real-time use
  • Available on Portal and API
  • Experimental support for audio markups

Inworld TTS Max

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Our most powerful and expressive model

  • More expressive, contextually aware speech
  • Stronger multilingual capabilities
  • Available on Portal and API
  • Experimental support for audio markups

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Features

 Available in Preview
Radically accessible pricing                See Pricing
State-of-the-art quality                
Real-time latency                
Free instant (zero-shot) voice cloning                
Professional voice cloning                
Custom pronunciation                
Multilingual                
Crosslingual (using the same voice across multiple languages)                
Audio markups for emotion, style and non-verbals                
Multiple model sizes for every use case                
Embedded safeguards               
SOC2 Type II                
On-premise deployments                
Open-Source training & modeling code