←Back to NewsAI News/VideomodelVideoOpen SourceMiniMax H3 VAE Doubles Video Resolution but Needs a Reference ImageAn ambitious MiniMax H3 VAE project failed its original goal but shipped a working 2X decoder and reference detail enhancer for ComfyUI.SourceAlphaSignalPublishedSep 30, 2026, 7:59 PMAuthorAlphaSignal NewsroomRead1 min readAn ambitious MiniMax H3 VAE project failed its original goal but shipped a working 2X decoder and reference detail enhancer for ComfyUI.Reporting is indexed from AlphaSignal. Rights remain with the original publisher and cited sources.Read original report ↗Next readsNVIDIA AI · newsNVIDIA's Physis-Lang Teaches Video AI Real Physics, Beats Google's Veo 3.1AlphaSignal · repoCozyClay Lets You Direct AI Video Shots in 3D Without Writing PromptsAlphaSignal · modelUC Berkeley's VDN-H3 Generates 14-Second Videos Faster Than You Can Watch