Hunyuan 3D is a scalable image-to-3D system. Version 2 produces flexible, high-quality 3D creations from a single image; version 2.1 extends it with physically based rendering, so generated materials respond to light the way an engine expects.

When to choose Hunyuan 3D

Come here when the deliverable is a 3D asset rather than a picture of one. It is the only image-to-3D family in this catalog, so the real decision is which version to use.

Choosing between the variants

V2.1 is the one to use for anything going into a real-time engine, because PBR materials behave correctly under scene lighting. V2 remains available and is simpler when materials are not the point.

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About Hunyuan 3D

What does PBR add to a generated asset?: Physically based materials, so the mesh reacts to light realistically inside a renderer instead of carrying baked-in shading.
What input does Hunyuan 3D need?: An image. The model reconstructs a 3D asset from it rather than working from a text prompt.
Which version should I pick?: 2.1 for engine-ready output with PBR; 2 when you only need geometry and are handling materials yourself.