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HappyHorse 1.0 sits at 1333 Elo on Artificial Analysis T2V, 60 points clear of Seedance 2.0 and further ahead of Veo 3.1. Here is what that gap actually looks like in clips, and where Veo still wins.
HappyHorse I2V tops the Artificial Analysis leaderboard at 1392 Elo. The reason is how well it holds the first frame's identity across a 5-second clip. Here is how to feed it a frame and get a usable shot.
At real volume, fire-and-forget breaks down. You need to know which request belonged to which user, what it cost, whether it finished, and where the output lives after the signed URL expires.