Head-to-head · same block-out
Hunyuan3D 3 vs Rodin Gen-2.5 Fast
Both engines got the same blocks in the same art style, at their default settings. Here is what each one returned, measured from the files themselves.
At a glance
| Hunyuan3D 3 | Rodin Gen-2.5 Fast | |
|---|---|---|
| Maker | Tencent Hunyuan | Hyper3D (Deemos) |
| Takes | 4 labelled views | Images without view labels |
| Formats it returns | GLB | GLB |
| Texture maps | Base colour only (4K) | Base colour · Normal · Roughness-metal (4K) |
| Rigs characters itself | No | No |
| Open weights | No | No |
| Run through | fal.ai | fal.ai |
| In Vox Land | Tier 13 · from 53 credits | Pick it in the pro workspace |
Test: T-posed character
839 blocks, cartoon style: a young man in a blue T-shirt, dark grey trousers and black boots. The T-pose shows whether an engine textures both arms.
| Hunyuan3D 3 | Rodin Gen-2.5 Fast | |
|---|---|---|
| Triangles | 500,000 | 9,380 |
| File size | 28.4 MB | 2.5 MB |
| Texture maps | Base colour only (4K) | Base colour · Normal · Roughness-metal (4K) |
| Outline match | 78% front 86% · side 76% · top 71% | 77% front 94% · side 74% · top 62% |
| Job time | 151 s | 47 s |
| Art style | Cartoon | Cartoon |
| Settings | defaults | defaults |
| Generated | Sep 23, 2026 | Sep 23, 2026 |
Test: Pickup truck
1,896 blocks, comic style: a chunky stylised pickup. The test for hard surfaces, flat panels and wheels.
| Hunyuan3D 3 | Rodin Gen-2.5 Fast | |
|---|---|---|
| Triangles | 499,658 | 9,664 |
| File size | 33.6 MB | 6.6 MB |
| Texture maps | Base colour only (4K) | Base colour · Normal · Roughness-metal (4K) |
| Outline match | 64% front 51% · side 74% · top 66% | 70% front 59% · side 75% · top 76% |
| Job time | 164 s | 59 s |
| Art style | Comic | Comic |
| Settings | defaults | defaults |
| Generated | Sep 23, 2026 | Sep 23, 2026 |
Test: Castle gate
4,518 blocks, realistic style: a stone gatehouse with two towers, battlements, a portcullis, banners and a drawbridge on chains. The test for a large building with thin parts and repeated detail.
| Hunyuan3D 3 | Rodin Gen-2.5 Fast | |
|---|---|---|
| Triangles | 496,494 | 9,468 |
| File size | 37.1 MB | 10.1 MB |
| Texture maps | Base colour only (4K) | Base colour · Normal · Roughness-metal (4K) |
| Outline match | 80% front 81% · side 77% · top 82% | 89% front 92% · side 88% · top 87% |
| Job time | 301 s | 68 s |
| Art style | Realistic | Realistic |
| Settings | defaults | defaults |
| Generated | Sep 23, 2026 | Sep 23, 2026 |
Which one to pick
Pick Hunyuan3D 3 for detailed meshes you will decimate or retopologise anyway.
- more geometry (500,000 vs 9,380 triangles)
- reads the views as labelled front / side / back
- can also build from a text prompt alone
Pick Rodin Gen-2.5 Fast for quick drafts and background assets that still need a full PBR material.
- 11.5× lighter files in our test (2.5 MB vs 28.4 MB)
- fewer triangles (9,380 vs 500,000): less to decimate
- quicker job (47 s vs 151 s)
- normal and roughness-metal maps included
Quick answers
- Which gives smaller files, Hunyuan3D 3 or Rodin Gen-2.5 Fast?
- Rodin Gen-2.5 Fast: 2.5 MB against 28.4 MB on the T-posed character (9,380 vs 500,000 triangles).
- Which follows the input shape more closely?
- Hunyuan3D 3 kept more of the block-out's outline on the T-posed character: 78% overlap against 77%.
- Do they give PBR texture maps?
- Rodin Gen-2.5 Fast returned base colour, normal and roughness-metal maps; Hunyuan3D 3 returned base colour only.
- Which one is faster?
- In our run on the T-posed character, the Rodin Gen-2.5 Fast job took 47 s and the Hunyuan3D 3 job 151 s, both from the same finished views. One run each: treat it as a rough guide.
- Can I get OBJ or FBX?
- Both return GLB only. In Vox Land, every model can also be exported as OBJ from the GLB.
- Can either one rig a character?
- Neither rigs characters itself. In Vox Land, any character can be rigged from the part tags on your blocks, whichever engine made it.
More comparisons
Hitem3D 2.1 vs Hunyuan3D 3Hitem3D 2.1 vs Rodin Gen-2.5 FastHunyuan3D 2 vs Hunyuan3D 3Hunyuan3D 2 vs Rodin Gen-2.5 FastHunyuan3D 3.1 Pro vs Rodin Gen-2.5 FastHunyuan3D 3 vs Hunyuan3D 3.1 ProHunyuan3D 3 vs Meshy-7Hunyuan3D 3 vs ReconViaGen 0.5Hunyuan3D 3 vs Rodin Gen-2Hunyuan3D 3 vs Rodin Gen-2.5Hunyuan3D 3 vs TRELLIS 2Hunyuan3D 3 vs TRELLIS (multi-view)Hunyuan3D 3 vs Tripo 3.1Hunyuan3D 3 vs Tripo P1Meshy-7 vs Rodin Gen-2.5 FastReconViaGen 0.5 vs Rodin Gen-2.5 FastRodin Gen-2.5 Fast vs TRELLIS 2Rodin Gen-2.5 Fast vs TRELLIS (multi-view)Rodin Gen-2.5 Fast vs Tripo 3.1Rodin Gen-2.5 Fast vs Tripo P1Rodin Gen-2.5 vs Rodin Gen-2.5 FastRodin Gen-2 vs Rodin Gen-2.5 Fast
How we test
- 1Same pictures. Within a test, an image model repaints the block views once (the way Vox Land always works), and that one set of views goes to every engine, at its default settings; the table lists any that differ. Engines that take a single picture get one three-quarter view, painted from the same blocks in the same style.
- 2So every difference inside a test comes from the engine, not from the input. The blocks fix the shape and the proportions; the repainted views add the colours and small details every engine then shares.
- 3Numbers are read from the file each engine delivered: triangles, file size, texture maps. Job time is the engine's job in our pipeline (the views were painted beforehand), from a single run.
- 4Outline match: we draw the block-out and the model as flat silhouettes from the front, the side and above, and measure how much they overlap (intersection over union; 100% means identical outlines).
- 5The renders are ours: the same camera, light and orientation for every file.
- 6We make none of these engines. Vox Land sends your blocks to whichever one you pick, so we have no reason to favour one.
Try them on your own blocks
Build a block-out in the browser and send it to any of these engines. New accounts get 15 free credits.
Data updated Sep 23, 2026