GR00T 2 runs a chemistry experiment uncut at 1x speed
Jim Fan says the clip is the first episode in a series of robot videos with no speed-up label in the corner.
Jim Fan has posted the first footage of NVIDIA's GR00T 2 actually doing something. The clip shows the model controlling real dexterous hands through a chemistry lab experiment from start to finish, then cleaning up after itself. Fan says it is autonomous, uncut and at 1x speed.
That last part is the point he wants to make. He is calling it episode one of a new series of real-time robot videos, with none of the "4x" or "8x" labels that usually sit in the corner of a manipulation demo. Speeding up footage is standard practice in the field, and it hides how slowly a lot of robots move between steps. Fan is betting that GR00T 2 does not need the trick.
What the video adds to Monday
The model itself landed earlier in the week. GR00T 2 is NVIDIA's open System One model for robotics, which we covered when it shipped. Fan described it then as running entirely on a robot's onboard compute, fully untethered, with every weight owned by whoever downloads it.
Chemistry lab work was one of the headline capabilities in that announcement. Fan listed long-horizon tasks chained over 20 or more steps and 5 or more minutes, naming chemistry experiments and assembling model airplanes end to end as examples. The new video is the first time anyone outside NVIDIA gets to watch one of those runs rather than read about it.
The release also included X-Adapt, NVIDIA's recipe for training on easier data sources such as human wearables and simulation and then deploying zero-shot, meaning with no extra training, to different real robots. Weights, the agentic framework, the simulation engine, the annotation engine, hardware design and 100,000 hours of training data are part of the package, with X-Adapt recipes due in December.
Shown versus claimed
Everything about this video is NVIDIA's own account of it. Fan says autonomous, uncut, 1x. Nobody outside the company has run GR00T 2 on their own hardware and confirmed that a chemistry experiment goes end to end without a human in the loop. The weights are out, so that check is possible, it just has not happened yet.
It is also one task, filmed once, posted by the person who leads the team that built it. A single uncut run is a much better piece of evidence than a montage at 4x, and it is still a single run. The interesting number will be how often it works, and nobody has published that.
No one can speed up reality, except Dr. Strange ;)
Autonomous, uncut, 1x speed.
Sound like you were at the demo
One email a day. Under three minutes. The demos, the deployments and the part the press release left out.