Unreal San Francisco

A dense 3D simulation of San Francisco with every agent powered by AI

Description

A real-time Unreal Engine recreation of San Francisco featuring an entire city ecosystem. Every element—including pedestrians, pets, vehicles, and traffic patterns—is autonomously driven by AI agents using Jev.

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Details

Why this is interesting: Impressive use of AI to populate a high-fidelity 3D environment with thousands of autonomous agents simultaneously.
Attributed to: @MatthewBerman
Built with: Opus 5.5 Jev Sonnet 5.5
Tags: #simulation #unreal-engine #agents #urban

Discovered: X
First posted: X · Oct 11, 2026
Listed: Added 2h ago
Build: Moderate
Models: Strong

Unreal San Francisco

Description

How it grew

Unreal San Francisco

Description

How it grew