Blog

Notes on building Ronin

Observations on imitation learning, humanoid hardware, and the iteration loop.

April 2026

The iteration loop is the whole game

The most valuable property of Ronin is not in the spec sheet. It is that the gap between "I wonder if this would work" and "I know whether it works" is measured in hours.

5 min read
April 2026

The missing piece in humanoid VLA development

The model side is moving fast. pi0, pi0.5, OpenPI, fine-tunes landing weekly. The hardware side has not kept up.

4 min read
April 2026

What Ronin actually is (and who it is for)

Ronin is a humanoid robot that sits on your desk. It has two arms, two hands, and a head with stereo cameras. You teach it what to do by showing it. It costs $4,999.

6 min read