Zidong Taichu (紫东太初) is a next-generation multimodal large model platform developed by the Institute of Automation, Chinese Academy of Sciences, and Wuhan Institute of Artificial Intelligence in 2026. It supports advanced tasks including text creation, high-quality image generation, multi-modal understanding (image, audio, 3D, video, signals), multi-round Q&A, and unified representation across modalities. Accessible via web/API with free registration and potential usage-based plans, it's designed for developers, researchers, and enterprises needing powerful cognitive/creative AI in Chinese/English contexts.