Alibaba's HappyHorse 1.1 boosts video quality, adds multi‑image consistency and native audio
HappyHorse 1.1, released June 22, upgrades Alibaba’s AI video model with smoother motion, up to nine reference images for stable character identity, higher‑fidelity skin textures, and improved native audio‑video generation. The changes cut re‑rolls for ads and short drama, making the system viable for enterprise‑scale production pipelines.