Inworld provides a family of state-of-the-art TTS models, optimized for different use cases, quality levels, and performance requirements.Documentation Index
Fetch the complete documentation index at: https://docs.inworld.ai/llms.txt
Use this file to discover all available pages before exploring further.
Realtime 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
Realtime 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
| Name | Model ID | Description | Supported languages |
|---|---|---|---|
| Llama Realtime TTS 1.5 Max | inworld-tts-1.5-max | Flagship model, best balance of quality and speed, with enhanced timestamps | en, zh, ja, ko, ru, it, es, pt, fr, de, pl, nl, hi, he, ar |
| Llama Realtime TTS 1.5 Mini | inworld-tts-1.5-mini | Ultra-fast, most cost-efficient model, with enhanced timestamps | en, zh, ja, ko, ru, it, es, pt, fr, de, pl, nl, hi, he, ar |
| Llama Realtime TTS Max Deprecated | inworld-tts-1-max | Our most powerful previous generation model, with basic timestamps support | en, de, es, fr, it, ja, ko, nl, pl, pt, ru, zh, hi |
| Llama Realtime TTS Deprecated | inworld-tts-1 | Our fastest previous generation model, with basic timestamps support | en, 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.