# Qiyuan Robotics launches PrimeSim world model and tops WorldSimProbe LIBERO leaderboard

- Source: 36Kr Embodied Intelligence
- Published: 2026-10-30T03:45:56.000Z
- RoboHot: https://robohot.news/en/items/u682zf0o7t21f5vf9qov8o92h
- Original: https://36kr.com/newsflashes/4047822636497161?f=rss

## Summary

Qiyuan Robotics has launched PrimeSim, a world-model simulator for robot training, and topped the WorldSimProbe LIBERO leaderboard. PrimeSim builds an interactive, trial-and-error, continuously learning virtual world for robots, used for policy validation and reinforcement learning. In tests, reinforcement learning with it raised policy success rate from 61.7% to 73.2%.