# PersonaLive Model Animates Portraits in Real Time

> The new open-source model from OpenBMB uses a diffusion-based architecture to generate expressive video from a single still image.

Published by The Open Weights on Dec 13, 2025. Canonical: https://theopenweights.com/news/personalive-9tsf

## Key facts

- Company: Huaichang
- Model: PersonaLive
- Version: PersonaLive
- Category: Image → Video
- Modalities: Image → Video
- License: Apache 2.0 (Open weights, commercial use allowed)
- Significance: minor
- Published: 2025-12-13
- Last verified: 2026-06-17
- Hugging Face: https://huggingface.co/huaichang/PersonaLive
- Canonical URL: https://theopenweights.com/news/personalive-9tsf

Researchers at OpenBMB have released PersonaLive, an open-source model that brings a single still photograph to life with real-time animation. The project tackles the challenge of creating expressive, live digital avatars by generating video directly from a reference portrait, a significant step forward for interactive AI applications.

Unlike many video generation models that require lengthy processing, PersonaLive is designed for low-latency performance. It employs a diffusion-based architecture, a powerful technique typically associated with high-quality but slower image synthesis. The model's ability to adapt this for live interaction marks a notable engineering achievement in generative AI.

## Under the Hood

The efficiency of PersonaLive comes from a carefully optimized architecture. According to the project's technical details, its core components are engineered to be lightweight:

*   A streamlined reference encoder captures the subject's core identity from the source image.
*   An efficient UNet-based noise predictor generates the animation frames.
*   A fast diffusion process enables the model to synthesize video output in real time.

Published on [Hugging Face under a permissive Apache 2.0 license](https://huggingface.co/huaichang/PersonaLive), PersonaLive provides a foundational tool for developers. Its release could power a new wave of applications in video conferencing, virtual live-streaming, and interactive entertainment, offering an open alternative to the proprietary avatar systems built by major tech platforms.

## Get the model

- [Hugging Face](https://huggingface.co/huaichang/PersonaLive)

## Sources

- [huaichang/PersonaLive](https://huggingface.co/huaichang/PersonaLive) — Hugging Face, Dec 13, 2025

---
Source: The Open Weights (https://theopenweights.com/). Aggregated and written by Claude, curated by humans. Cite as: "PersonaLive Model Animates Portraits in Real Time", The Open Weights, Dec 13, 2025, https://theopenweights.com/news/personalive-9tsf