The Agent Era Is Here: What 3D Generative Models Will Fight Over Next
On September 3, GPT-6 Astra launched. In an official video under three minutes, it enters Blender and starts building a scene from one residential design request. It generates a minimalist house, then expands it into a family home around a courtyard. Bedrooms, office, kitchen, bathroom; bed frame, wardrobe rod, oven, cutlery drawer, lighting simulation. When the normal on the sink surface breaks, it fixes it. For a 30-second interior walkthrough, it places the camera at about 1.65 meters, human eye height, and arranges four movements with a 24–26mm lens. After entering Unreal Engine 5, it handles FBX, JSON, the meter-centimeter unit gap, coordinate conversion, material mapping, collision, and first-person controls.
