Open Source Has Become a Business: Embodied Models Flood the Market with Open Models, Weights, and Data—Who Actually Delivered, and Who Only Made Promises?

The author reviews the surge of embodied model open-source announcements since September and proposes judging open-source usability by five components: code, weights, data, license, and reproduction process. The author also divides the degree of openness into four levels: fully open, code and weights open but data missing, only weights or API open, and promises that remain at Coming soon.