MiniMax H3 open-weights video model lands on Luma Agents, Picsart

Open-weights H3 generates up to 15s of 2K video with native stereo sound and tops DesignArena's Multi-Image-to-Video, Image-to-Video, and Video-Editing leaderboards. It runs locally on a single RTX 5090; US, EU, UK, and South Korea deployment requires formal MiniMax license authorization.