Skip to main content
Inworld provides a family of state-of-the-art TTS models, optimized for different use cases, quality levels, and performance requirements.

Inworld TTS 1.5 Max

​
Our flagship model, delivering the best balance of quality and speed

  • Rich, expressive, contextually aware speech
  • Support for 15 languages
  • Optimized for real-time use (<200ms median latency)
  • High quality instant voice cloning
  • Enhanced timestamps with phonetic details and visemes

Inworld TTS 1.5 Mini

​
Our ultra-fast, most cost-efficient model. For when latency is the top priority.

  • Ultra-low latency (~120ms median latency)
  • Support for 15 languages
  • Radically affordable pricing
  • High quality instant voice cloning
  • Enhanced timestamps with phonetic details and visemes

​
Models overview

NameModel IDDescriptionSupported languages
Llama Inworld TTS 1.5 Maxinworld-tts-1.5-max              Flagship model, best balance of quality and speed, with enhanced timestampsen, zh, ja, ko, ru, it, es, pt, fr, de, pl, nl, hi, he, ar
Llama Inworld TTS 1.5 Miniinworld-tts-1.5-mini                                Ultra-fast, most cost-efficient model, with enhanced timestampsen, zh, ja, ko, ru, it, es, pt, fr, de, pl, nl, hi, he, ar
Llama Inworld TTS Max Deprecatedinworld-tts-1-max              Our most powerful previous generation model, with basic timestamps supporten, de, es, fr, it, ja, ko, nl, pl, pt, ru, zh, hi
Llama Inworld TTS Deprecatedinworld-tts-1              Our fastest previous generation model, with basic timestamps supporten, de, es, fr, it, ja, ko, nl, pl, pt, ru, zh, hi
inworld-tts-1 and inworld-tts-1-max are deprecated and will be retired in the near future. We will communicate the exact retirement date once finalized to users with advance notice to ensure a smooth transition. We recommend migrating to inworld-tts-1.5-mini and inworld-tts-1.5-max as soon as possible to avoid disruptions.