TTS-1.5

Launched Inworld TTS 1.5, our newest generation of realtime TTS models featuring:

• Two New Models: Our flagship model inworld-tts-1.5-max is ideal for most use cases, with the best balance of quality and speed. For use cases where latency is the top priority, we also offer inworld-tts-1.5-mini.

• Latency Improvements: Our new TTS-1.5 models achieve P90 latency for first audio chunk delivery under 250ms for our Max model and under 130ms for our Mini model, a 4x improvement compared to TTS-1.

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