Offline Diffusion Models
Offline models generate each image or video request as a bounded denoising job. Most of them use bidirectional attention over the whole latent sequence.
Cosmos
FLUX
Wan
LTX
Qwen-Image
Z-Image
ERNIE-Image
MOVA
Realtime / World Models
Realtime models keep a session alive and generate chunk by chunk with causal state, control signals, and cached video history.