New SimWorld Studio — vibe-code your world

Simulate the world.
Train agents that live in it.

An Open-ended Realistic Simulator for Autonomous Agents in Physical and Social Worlds

852
GitHub Stars · All Projects
Open-Ended Worlds
Unreal Engine 5
Photorealistic Engine
Clawbot × SimWorld SimWorld Studio DeliveryBench SimWorld Overview VLM Agents Case 1 VLM Agents Case 2 Desert Village Generation Vibe Code the Physical World
Built by researchers from UC San Diego Johns Hopkins University University of Virginia University of Michigan
Ecosystem

Projects built on SimWorld

The platform and the research it powers — tooling, benchmarks, and robotics.

SimWorld core simulator
Core Platform 698

SimWorld

The open-ended realistic simulator itself — generation pipeline, agent interface, reasoning scenarios, and the full white-paper deep dive.

DeliveryBench
Benchmark 17

DeliveryBench

Can agents earn profit in the real world? A city-scale embodied benchmark where VLM couriers race long-horizon, real-economy constraints.

RoboticsNeurIPS 2025 21

SimWorld-Robotics

Photorealistic, dynamic urban environments for multimodal robot navigation and multi-robot search & collaboration.

Research

Publications

The papers behind the platform, newest first.

2026
Preprint

SimWorld Studio: Automatic Environment Generation with Evolving Coding Agent for Embodied Agent Learning

Haoqiang Kang*, Xiaokang Ye*, Yuhan Liu, Siddhant Hitesh Mantri, Lingjun Mao, James Fleming, Drishti Regmi, Lianhui Qin

2026
White Paper

SimWorld: An Open-ended Realistic Simulator for Autonomous Agents in Physical and Social Worlds

Jiawei Ren*, Yan Zhuang*, Xiaokang Ye*, Lingjun Mao, Xuhong He, Jianzhi Shen, et al.

2025
Preprint

DeliveryBench: Can Agents Earn Profit in Real World?

Lingjun Mao, Jiawei Ren, Kun Zhou, Jixuan Chen, Ziqiao Ma, Lianhui Qin

2025
NeurIPS 2025 · Spotlight

SimWorld: An Open-ended Simulator for Agents in Physical and Social Worlds

Xiaokang Ye*, Jiawei Ren*, Yan Zhuang, Xuhong He, Yiming Liang, et al.

2025
NeurIPS 2025

SimWorld-Robotics: Synthesizing Photorealistic and Dynamic Urban Environments for Multimodal Robot Navigation and Collaboration

Yan Zhuang, Jiawei Ren*, Xiaokang Ye*, Jianzhi Shen, Ruixuan Zhang, et al.

2025
CVPR 2025 Demo

SimWorld: A World Simulator for Scaling Photorealistic Multi-Agent Interactions

Yan Zhuang*, Jiawei Ren*, Xiaokang Ye*, Xuhong He, Zijun Gao, Ryan Wu, et al.

Build your world. Train your agents.

SimWorld is fully open source. Spin up a photorealistic city and drop your first agent into it this afternoon.