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---
title: Representation Over Routing Demo
emoji: 🚀
colorFrom: blue
colorTo: indigo
sdk: gradio
sdk_version: 6.14.0
python_version: '3.13'
app_file: app.py
pinned: false
license: cc-by-4.0
short_description: Interactive LunarLander demo for Representation over Routing
models:
- ben-dlwlrma/Representation-Over-Routing
---

# Representation over Routing Demo

Interactive demo for the preprint **"Representation over Routing: Overcoming Surrogate Hacking in Multi-Timescale PPO"**.

This Space visualizes the four pretrained ablation-stage agents from the associated model repository. The default selection shows **Stage 4: Target Decoupling**, the proposed method, performing a LunarLander rollout with a fixed deterministic demo seed.

## Links

* **Paper:** https://arxiv.org/abs/2604.13517
* **Model Weights:** https://huggingface.co/ben-dlwlrma/Representation-Over-Routing
* **GitHub Repository:** https://github.com/ben-dlwlrma/Representation-Over-Routing

## Notes

The paper experiments were conducted on `LunarLander-v2`. This hosted demo uses `LunarLander-v3` for compatibility with current Gymnasium releases, while keeping the same actor architecture and pretrained weights.