AI agents build 3D scenes from photos but have no idea if they got it right

A new approach called LEGO-Anything turns single photos into editable Blender code for 3D scenes, with GPT-6 Astra leading an accompanying benchmark at up to 53 percent reconstruction accuracy, according to The Decoder. The benchmark found that the biggest weakness across all tested agents is that they cannot judge their own geometric accuracy any better than a coin flip.