Unitree's G1 sparred with a human under its own control

Unitree released video on its own channel showing a G1 humanoid sparring with a human opponent while running a new model, UnifoLM-X2-1.0, and no controller in anyone’s hands. Interesting Engineering covered it on 8 September 2026.

The claim is architectural rather than athletic. Most humanoid demonstrations of this kind translate commands from a VR headset or gamepad into joint motion. Unitree describes UnifoLM-X2-1.0 instead as a world model: it continuously reads the scene, predicts how the opponent is about to move, and plans stance, footwork and strikes against that prediction. In the company’s words, it “breaks through world-action foundation models’ bottlenecks in instant planning, decision-making, and dynamic interactive execution.”

In the footage the robot adjusts its guard as the human closes, slips incoming punches, and throws punches and kicks of its own.

What has not been released matters as much as what has. There is no paper, no benchmark, no latency figure, no code and no model weights — only a video and a company statement. The predecessor world model, UnifoLM-WMA-0, was open-sourced; this one is not, yet. Until it is, autonomy is Unitree’s word for what happened, not an independently checked result.