Diffusion Policy
Continuous Action Generation
High-Dimensional ActionsContinuous actions are difficult to compose and reuse
Expert-Trajectory DependenceLong-tail task coverage is costly
Task FragmentationLimited transfer across scenes
Embodiment ChangesUsually require readaptation
KnowinGLOW
Autoregressive Action Token
Unified RepresentationActions share a common token space
Native GenerationIntegrated autoregressive modeling
Compositional ReuseActions form a composable model language
Cross-Task TransferSupports task and embodiment scaling