AI Research Atlas

HappyHorse-1.0

Alibaba · 10 April 2026

Alibaba revealed HappyHorse-1.0, a joint audio-video model that had topped the Artificial Analysis video arena under an anonymous name.

Built by Alibaba's AI Innovation division in the new Alibaba Token Hub (ATH) group, separate from the Wan team. Led silent video and tied Seedance 2.0 with audio (about 15B parameters per a fal summary); API access reached developers 2026-04-27 via fal.

Date
Friday, 10 April 2026
Lab
Alibaba
Kind
model
Access
closed API

Figures

MeasureValueMeasured by
Artificial Analysis Elo (text-to-video, no audio)1,333
image-to-video 1,392; text-to-video with audio 1,205; per a fal-hosted summary
third-party

Caixin confirms the 2026-04-10 reveal, the ATH unit and the arena ranking; Elo values and the 15B-parameter figure come from search-result snippets of fal and datanorth, not opened.

Sources

  1. www.caixinglobal.com/2026-04-10/alibaba-unveils-happyhorse-after-ai-model-tops-video-ranki
  2. fal.ai/happyhorse

This record was checked and corrected against its sources on 6 October 2026. How we check

Related