Code Plans, Diffusion Renders: Open-Ended Generative World Modeling

Zixun Fang^1,2 Yawen Shao^1,2 Kai Zhu² Jie Xiao² Shihan Chen¹ Yu Liu²

Xueyang Fu¹ Yang Cao¹ Wei Zhai¹ Zheng-Jun Zha¹

¹ USTC ² TongYi Lab

A LOOK INSIDE

Method Overview

CoDeR method diagram: concepts guide an LLM creator; coding agents construct the world, video models act as artists, and travelers observe it. The right panel shows observation and world registration. — Overview of CoDeR.