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NVIDIA releases Metatron-v1: a humanoid policy that runs in the browser, no server

On-device & edge
Metatron-v1 is NVIDIA's control policy for the Unitree G1 humanoid robot (29 joints), published openly under the NVIDIA Open Model License. The headline: it runs in the browser, on ONNX Runtime Web + WebGPU, with the MuJoCo simulation compiled to WASM. The ONNX model weighs 403 MB, the native PyTorch checkpoint 459,455,983 bytes. No server, no data-center GPU: Inference happens on the visitor's own machine.

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