The Same Sandworm: Kimi Made the Deluxe Edition, GPT-6 Astra Made the Bare Shell

Give two AIs the same task: generate a 3D model of a sandworm from text. Kimi K3.1 Pro and GPT-6 Astra came back on completely different levels.

Elvar ran this comparison on X. In the video, every segment of Kimi's sandworm is covered in armor plates, with a golden ring around its mouth; GPT-6 Astra's sandworm is just gray tubes stacked together. When the sandworm dives into the sand, Kimi's model still keeps those armor plates, while the other has only a row of fins. At 0:08, the mouth turns toward the camera: Kimi's mouth has rows of teeth, while the other has only a flat fin.

The feature Kimi used this time is called 3D Make, tucked inside kimi.ai and the Kimi App. You can describe it in one sentence, or throw in a sketch or reference image, and it will generate a rotatable, editable 3D model. More importantly, it can be exported directly as a video. That means a one-stop pipeline from text to a dynamic 3D presentation.

In the accompanying article, Elvar included seven prompts, ranging from the simplest 'open the casing' to 'disassemble the engine.' For example, the turbofan engine he made has 2,100 entities, and the fan, compressor, combustor, and turbine can all be separated and displayed. You can even keep modifying it in natural language: 'Open the casing a little more,' 'Make the fan bigger.' This kind of interaction brings the barrier to 3D modeling down to the chat box.

Some online commenters said, 'This gap is absolutely ridiculous,' while others said, 'Kimi reached production-grade quality; Astra can't compare at all.' Some also said, 'Chinese models are improving so fast; we underestimated them before.' Of course, there were skeptical voices too, suggesting that reference images may have been preset or that it wasn't generated entirely from scratch. But at least based on this comparison, Kimi's level of completion in 3D generation is indeed a notch higher.

If you want to try it yourself, open kimi.ai, select 3D Make, and describe your idea. Elvar provided a prompt template: object, key components, appearance, viewpoint—four sentences are enough. He says 'Make it better' is less useful than specifically pointing out what's wrong. This workflow is worth referencing.