Shanghai JUMPSTAR Intelligent Technology Co., Ltd. recently announced a major upgrade to its Step-1X series of image generation models with the launch of the improved Step-1X-Medium version. This upgraded version has achieved significant enhancements in several areas: based on the MMDit architecture, the generation speed has increased by over 30%; through targeted training, the new version exhibits stronger understanding capability and text-image consistency, resulting in more natural details in the generated images.