Cross-platform, offline text-to-speech synthesis for Unreal Engine. Generate natural-sounding speech with 900+ voices across 40 languages - now featuring Kokoro studio-quality voice models.
Runtime Text To Speech provides real-time, offline, and cross-platform text-to-speech synthesis with no internet connection required. The plugin supports 40 languages with over 900 voices and 160+ voice qualities, including the new Kokoro studio-quality voice models for exceptional output quality.
Works without an internet connection across all platforms
40 languages, 114 voice models, and 172 voice qualities
Featuring 53 high-quality Kokoro voice models across 7 languages
Easy to use with Blueprint and C++ support
Download and manage voice models directly within the editor interface.
40 languages supported with multiple voice models for each language.
Many voice models support multiple speakers, significantly increasing voice variety - for example, English LibriTTS includes over 900 different speakers.
Basic voice models with good quality for general use
Voice models with multiple speaker options (up to 900+ in some cases)
Models with emotional variations for expressive speech
High-quality models with exceptional naturalness and clarity
Runtime Text To Speech works seamlessly with other plugins to create complete speech and audio solutions for your Unreal Engine projects.
Process the synthesized speech audio data for playback, saving, or further manipulation with advanced audio processing capabilities.
Learn moreCreate two-way voice communication by combining speech recognition and text-to-speech for interactive conversational experiences.
Learn moreAnimate character lip movements in real-time using the synthesized speech for immersive character dialogues and interactions.
Learn moreConnect with advanced AI chatbots to generate dynamic text content that can be converted to speech for AI-driven character interactions.
Learn moreRuntime Text To Speech provides offline, on-device speech generation with no internet connection required – ideal for games that need to work offline or with privacy constraints. Runtime AI Chatbot Integrator connects to cloud services like OpenAI and ElevenLabs for state-of-the-art AI chat and TTS capabilities when an internet connection is available.
Get started quickly with our detailed documentation and receive support through multiple channels. From basic usage to advanced techniques, we're here to help you succeed.
Step-by-step guides for all features
Visual guides for common use cases
Get real-time help from developers and users
Direct contact for custom development needs
Try our demo project to experience the capabilities of Runtime Text To Speech firsthand. The demo showcases various voice models and features.
The plugin supports 40 languages with multiple voice models and qualities for each, including the new Kokoro studio-quality voice models.
The plugin now includes 53 high-quality Kokoro models across 7 languages: English (US), English (UK), Simplified Chinese, Spanish, Portuguese, Hindi, and French. These models represent some of the highest-quality open-source TTS solutions available today.
Try Kokoro Voices OnlineGenerate natural-sounding speech from text directly in your application with no internet connection required. Create voice-enabled experiences across all platforms with 40 languages and hundreds of voices.
