MI
MiniMax (Shanghai Xiyu Jizhi Technology Co. Ltd.)
Chinese AI startup that developed and released H3 and the Hailuo AI platform it runs on; also the defendant in an active Hollywood copyright lawsuit.
Competitor that released rival video model Seedance 2.5 on the same day as H3's launch; H3 is explicitly positioned as undercutting ByteDance's Seedance line on price.
Independent benchmark platform whose blind-preference leaderboard ranked H3 #1 in Video Editing and top 3 in both Text-to-Video and Image-to-Video.
DI
Disney Enterprises, Marvel Characters, Lucasfilm, Twentieth Century Fox, Universal City Studios, DreamWorks Animation, Warner Bros. Discovery
Hollywood studios that jointly sued MiniMax for copyright infringement via the Hailuo AI service in September 2025; the suit survived a motion to dismiss in May 2026 and remains active as H3 launches.
Official API partner bringing the open-weight MiniMax H3 model to third-party developers.
GO
Goldman Sachs, Bank of America, Citi
Investment banks that issued Buy ratings on MiniMax following the H3 launch, with Citi specifically flagging the open-sourcing plan as a potential adoption driver.