Go2 Air

Unitree's entry-level quadruped. Same software ecosystem as G1 humanoid. Perfect stepping stone for researchers who want to learn legged locomotion before scaling to bipeds. Designed around hobbyist, entry research, education. The published spec sheet puts it at 40 cm tall, 15 kg, 12 degrees of freedom, 3.5 m/s top speed, 1.5 hours of rated runtime. Go2 Air is listed as shipping — available to order now, subject to the maker's stated lead times. Listed pricing starts around $1,600 ($1,600). One of 19 entries from Unitree Robotics in this index — compare the sibling models before shortlisting.

Unitree Go2 product page covers all Go2 variants (Air, EDU, EDU+, Pro, X)