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Resemble AI releases DramaBox, open-weight voice model on LTX 2.3

Resemble AI released DramaBox, an open-weight voice synthesis model built on LTX 2.3 that targets expressive text-to-speech generation, with weights, a live demo, and a ComfyUI node now available.

May 15, 2026

Resemble AI releases DramaBox, open-weight voice model on LTX 2.3

Resemble AI released DramaBox, an open-weight voice synthesis model built on LTX 2.3, on May 13, 2026. The model targets expressive text-to-speech generation and is positioned as capable of rendering emotional tones—anger, surprise, sarcasm—with more prosodic variation than older TTS systems like Tacotron or FastSpeech. Weights are available on HuggingFace under Apache 2.0 license, alongside a live Space demo and GitHub repository.

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Watch: Resemble AI releases DramaBox, open-weight voice model on LTX 2.3

DramaBox adapts LTX 2.3, the diffusion backbone used for video synthesis, to audio generation. Diffusion models trained on continuous latent spaces can handle both modalities when the encoder and decoder are swapped out. DramaBox keeps the LTX core and replaces the visual VAE with an audio frontend. The model card does not publish inference requirements, but LTX 2.3 typically runs on consumer GPUs with 12GB+ VRAM when quantized.

Integration and availability

A third-party ComfyUI node appeared within hours of the HuggingFace release, wiring DramaBox into the standard ComfyUI workflow graph. The node is available at github.com/FranckyB/ComfyUI-DramaBox and lets users generate expressive voice clips inside the same interface they use for image and video synthesis. The HuggingFace Space demo allows users to type a prompt and hear output without local installation.

Early samples suggest DramaBox can handle dramatic reading and character voice work that flat TTS models struggle with, though the expressiveness claim rests on subjective listening tests rather than published benchmarks. Whether that holds up in production use cases remains an open question.