The Chinese AI company's open-weights model claims the top spot among open video models, beating Tencent's offering by roughly 280 points in Video Arena rankings. MiniMax just grabbed the crown in open-source video generation. AdvertisementWhat makes H3 differentH3 generates video clips up to 15 seconds long at 2K resolution with native stereo audio output. H3 also supports what MiniMax calls a unified input format, meaning it can accept text, images, video, and audio as inputs. GGUF quantization, a technique that compresses models to run on consumer-grade hardware rather than expensive data center GPUs, followed shortly after.