AIMay 9, 2026
HappyHorse-1.0 by Alibaba: April 2026 Video Arena Leader
On April 27, 2026, Alibaba released HappyHorse-1.0 — the model ranked #1 on Artificial Analysis Video Arena as of April 28, 2026 (T2V Elo 1,332, I2V Elo 1,391). All four modes are now live on Clipia: Text-to-Video with native audio, Image-to-Video, Reference-to-Video with up to 9 characters, and Video Edit. We break down the spec, show eight demo clips, and compare against Seedance 2.0, Kling 3.0, Veo 3.1, and Wan 2.7.
