# MiniMax H3 AI Video Generator > minimaxh3.info is an independent AI video generation and post-production service built around the MiniMax H3 model. It is not affiliated with or endorsed by MiniMax. ## Generator - Text-to-video and first/last-frame image-to-video - MiniMax H3 selected by default - 480P, 720P and 1080P output - 5, 10 and 15-second presets - 16:9, 9:16, 4:3, 3:4 and 1:1 aspect ratios - Prompts up to 600 characters on this site - 20 credits on signup ## Model capabilities MiniMax H3 is an open-weights multimodal video model. Its official model capabilities include native 2K output at 24 fps, synchronized dialogue and effects, and combined image, video and audio references. These official API limits are broader than the focused controls exposed by this site. ## Video tools - https://minimaxh3.info/video-upscaler - https://minimaxh3.info/video-face-swap - https://minimaxh3.info/video-head-swap - https://minimaxh3.info/motion-control ## Legal and contact - Privacy: https://minimaxh3.info/privacy-policy - Terms: https://minimaxh3.info/terms-of-service - Email: support@minimaxh3.info