The entire thing was generated using AI, from scenes rendered in 4K to performances built from licensed digital likenesses of real people. AdvertisementHiggsfield built the movie using its proprietary Seedance 2.5 AI video model, developed by ByteDance. The Cully Hill Boys features the licensed digital likenesses of MMA fighters Israel Adesanya and Quinton “Rampage” Jackson, popular streamer N3on, and Matt Kiatipis. The company open-sourced the entire production, publishing the prompts, production logs, and workflow documentation that went into making The Cully Hill Boys. But The Cully Hill Boys represents a leap in scale, moving from proof-of-concept shorts to something that could plausibly sit on a streaming platform alongside traditionally produced films.