Kairos: A 4B Native World Model Stack for Physical AI
Kairos packs a world model into 4B params with linear-time Hybrid Linear Temporal Attention, leads PAI-Bench at 80.84, and runs a 480P rollout in 11.4s on one RTX5090.
Institution
SenseTime
A Chinese AI company behind the SenseNova model family, spanning multimodal understanding and generation.
SenseNova-U1: One Model for Multimodal Understanding and Generation
SenseNova-U1 puts image understanding and image generation in one network with shared attention. Its A3B variant hits 80.55 on MMMU and 0.91 on GenEval — a single model that reads and draws.