Building and coding your own robots are great for honing your skills. The Zeroth-01 Bot is an open source humanoid robot with vision and speech capability. This is a 3D printable platform that can be hacked and extended as you wish. You will be able to put it all together for as low as $350. The Zeroth-01 runs RL policies out of the box. It has 16 degrees of freedom. The below video shows it in action:
Zeroth-01 bot: the world’s smallest open-source end-to-end humanoid 🤖
tiny, cheap, and runs rl policies out of the box. pic.twitter.com/avT1XILmeW— jade (@jadechoghari) August 26, 2025
This robot has a 1080p camera, 1.28-inch display, 6-axis IMU sensor, and 5200mAh battery. It can do push ups and other fun moves. It is based on KOS-ZBot operation system that comes with Python API and CLI tools for calibration and configuration. You can find out more here.
