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

- Source: 36氪 · 微信公众号
- Published: 2026-10-31T01:03:57.000Z
- RoboHot: https://robohot.news/en/items/re9c5txlk4g3mw5qc4mxqnxn2
- Original: https://mp.weixin.qq.com/s?__biz=MzI2NDk5NzA0Mw==&mid=2248907976&idx=1&sn=284c201b144e7ea3d5aff50bca10ada2&chksm=e8225b0db8ec491de751bbf1dadc34ac0f9d97a59f7b6102cc9a07893a3b2b45f831b10d4cc3&scene=126&sessionid=1793457934#rd

## Summary

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