# X-Streamer: Unified Human World Modeling with Audiovisual Interaction

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### TL;DR

X-Streamer is an end-to-end multimodal human world modeling framework for constructing an infinitely streamable digital human from one single portrait, capable of generating intelligent, real-time, multi-turn responses across text, speech, and video. X-Streamer paves the way toward unified world modeling of interactive digital humans.

## Infinite Streamable Generation

X-Streamer is capable of infinite interactions across text, speech, and video within a single unified architecture.

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## Long Conversational Context and Intelligent Interaction

X-Streamer accommodates up to 8K tokens of conversational context, facilitating advanced reasoning and long-term memory throughout multi-turn interactions.

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## More Examples

X-Streamer generalizes seamlessly to diverse scenarios without the need for re-training.

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## Visual Perception Extension

Visual perception can be readily integrated into the existing Thinker–Actor architecture.

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## Qualitative Comparisons

X-Streamer maintains temporally stable generation with consistent identity, temporal stability, and cross-modal alignment over state-of-the-art baselines.

### Long duration comparison

### Comparison with audio-driven generation baseline

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## Ablation Study

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