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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

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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

Inworld TTS 1.5 Mini

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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

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Models overview

NameModel IDDescriptionSupported languages
Llama Inworld TTS 1.5 Maxinworld-tts-1.5-max              Flagship model, best balance of quality and speeden, zh, ja, ko, ru, it, es, pt, fr, de, pl, nl, hi
Llama Inworld TTS 1.5 Miniinworld-tts-1.5-mini                                Ultra-fast, most cost-efficient modelen, zh, ja, ko, ru, it, es, pt, fr, de, pl, nl, hi
Llama Inworld TTS Maxinworld-tts-1-max              Our most powerful previous generation model, with timestamps supporten, de, es, fr, it, ja, ko, nl, pl, pt, ru, zh, hi
Llama Inworld TTSinworld-tts-1              Our fastest previous generation model, with timestamps supporten, de, es, fr, it, ja, ko, nl, pl, pt, ru, zh, hi