# VLA Evaluation Systems: From Task Success Rate to Long-Horizon Stability and Failure Attribution

- Source: Guyuehome
- Published: 2026-11-02T11:16:00.000Z
- RoboHot: https://robohot.news/en/items/sc92xvgfqqj7affx39oxihtns
- Original: https://www.guyuehome.com/detail?id=2115393662746652673

## Summary

VLA evaluation systems need to expand beyond a single task success rate to two additional dimensions: long-horizon stability and failure attribution. The original text discusses this evaluation framework but does not provide specific models, versions, or experimental data.