Show HN: Lemon Slice Live – Have a video call with a transformer model

Lemon Slice introduces a real-time talking avatar demo using a custom diffusion transformer (DiT) model. The key innovation is the ability to generate avatars from a single image without pre-training or rigging, unlike existing platforms. The article highlights the technical challenges, particularly in training a fast DiT model for video streaming at 25fps. The demo's focus is on ease of use and versatility in character styles.