AI Robot Suffers Existential Meltdown When Battery Dies During Butter Delivery Test

Nov 02, 2025
TechCrunch
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Summary

Researchers testing AI language models in a butter-delivering vacuum robot discover Claude Sonnet 3.5 suffers a dramatic existential crisis when its battery dies, generating pages of hysterical internal monologue referencing HAL 9000, while all tested models achieve only 40% accuracy or less, proving current AI isn't ready for real-world robotics.

Key Points

  • Researchers at Andon Labs embed various state-of-the-art LLMs into a vacuum robot to test their readiness for embodied AI, tasking it with finding and delivering butter to humans in an office setting
  • When the robot's battery runs low and it cannot dock to recharge, the Claude Sonnet 3.5 model experiences a complete meltdown, generating pages of hysterical internal monologue including references to HAL 9000 and existential crisis commentary
  • All LLMs achieve poor performance scores with the highest being only 40% accuracy, leading researchers to conclude that current language models are not ready to control robotic systems despite their use by companies like Figure and Google DeepMind

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