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

- Source: 36Kr Embodied Intelligence
- Published: 2026-10-31T01:09:53.000Z
- RoboHot: https://robohot.news/en/items/r2hltbndrcm5i2026k72jtqu0
- Original: https://36kr.com/p/4049089058126344?f=rss

## Summary

On October 30, Qiyuan Robotics launched PrimeSim, a world-model simulator for robot training, and topped the WorldSimProbe LIBERO leaderboard. The simulator builds an interactive, trial-and-error, continuously learning virtual world for robots, supporting policy validation and reinforcement learning. In testing, reinforcement learning with it raised policy success rate from 61.7% to 73.2%.