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Stable Fast 3D (SF3D) — Stability AI's image-to-3D model. Generate textured meshes from a single image in seconds. Free to try.
Stable Fast 3D (SF3D) is Stability AI's image-to-3D model, designed for fast inference. It generates a textured 3D mesh from a single reference image in seconds — much faster than denser models like Trellis or Hunyuan3D, with a tradeoff in fine geometric detail.
Use SF3D when speed matters more than maximum polycount: rapid prototyping, batch generation, or live demos. Outputs export cleanly to GLB / OBJ / STL for downstream tools.
SF3D works best on subjects with clear silhouettes on a clean background. For higher fidelity, switch to Hunyuan3D or Trellis.
| Stable Fast 3D | Trellis | Hunyuan3D | |
|---|---|---|---|
| Speed | Fastest | Slow | Medium |
| Polycount | Medium | High | High |
| Texture detail | Medium | Medium | High |
| Free tier | Yes | Yes | Yes |
| Open weights | Yes | Yes | Yes |