# Joyin

> Markdown twin of https://roboterminal.app/companies/joyin · https://roboterminal.app/companies/joyin.md

## Pulse

- [@TheHumanoidHub on X](https://x.com/TheHumanoidHub/status/2099929455552860216)
  JoyIn unveiled Aether: a 4B-param energy-based model for robots, trained on ~200 hrs of human video, zero real-robot data. Not VLA (perception+language to action) or world models. It's an "action-ener…

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Source: Roboterminal · https://roboterminal.app/companies/joyin.md