Hunyuan3D
Tencent's AI 3D generator with open weights for self hosting and a commercial cloud API, strongest on hard surface geometry.
Rodin (Hyper3D)
Deemos' AI 3D generator focused on high resolution quad geometry and PBR textures from text or multi image input.
AI 3D Generation Freemium
Overview
Rodin is the generative 3D engine of the Hyper3D platform, built by Deemos, a company spun out of ShanghaiTech University in 2020 that first made its name in film grade facial scanning (its Dome Light Field rig produced digital doubles for The Wandering Earth 2). That research heritage shows: Rodin is a native 3D diffusion model based on the CLAY architecture, which earned a Best Paper Honorable Mention at SIGGRAPH 2024, and it leads the category on geometric fidelity, quad topology output and material quality rather than speed. The Gen-2.5 release pushed generation past ten million polygons with 3D native texturing. The notable trade offs are the absence of built in auto rigging and premium per model costs. Deemos licenses training data commercially, including a Shutterstock 3D asset agreement, and sponsors the Blender Development Fund at Gold level.
Key features
Native 3D diffusion from awarded research
Built on the CLAY architecture (SIGGRAPH 2024 Best Paper Honorable Mention), generating directly in 3D space rather than projecting 2D views, which avoids the classic multi face artifacts of earlier AI generators.
Quad topology with density control
Outputs artist style quad meshes reconstructed face by face, with selectable density caps such as 18,000 or 50,000 quads, plus an option to force T pose or A pose on characters for downstream rigging.
Ten million plus polygon mode
Gen-2.5's Extreme-High setting generates dense sculpt level geometry that keeps pores, grooves and fabric weave, acting like a RAW file for sculptors to refine and decimate deliberately.
3D native PBR texturing
Albedo, roughness, metallic and normal maps are generated directly on the surface rather than projected from 2D, avoiding seams. Standard tiers export up to 4K textures, with 12K in beta for business plans.
Multi view fusion up to five images
A concat mode treats up to five photos as views of one object for photogrammetry like accuracy, while a fuse mode blends features from different references into one design.
RodinBridge plugins, API and MCP
Official add-ons for Blender, Unreal Engine 5, Unity, Godot, NVIDIA Omniverse and ComfyUI generate assets inside the host tool, and a REST API with Model Context Protocol support serves agent pipelines.
Pros and cons
What users consistently praise
- PBR materials widely described as production ready straight out of generation, correct in Blender and Unreal without rework
- One of the very few AI generators outputting true quad meshes that survive subdivision and sculpting in ZBrush
- Pay by result billing: previews are free and credits are only spent when you confirm a download, with commercial rights on every tier
- Training data is commercially licensed, including a Shutterstock 3D asset agreement, reducing copyright anxiety for studios
What users consistently criticise
- No auto rigging or preset animations, a clear gap versus Meshy and Tripo for character workflows
- Organic subjects, especially human faces, frequently hallucinate or merge geometry and may need several retries
- Complex multi object prompts often fuse into a single mass, and credits held for unconfirmed generations can stay frozen for up to a day
- Exported STL files regularly need a manifold repair pass before slicing, despite the 3D printing positioning
Recurring themes across third-party user reviews (G2, Capterra, TrustRadius).
Videos
Pricing
| Plan | Price | What you get |
|---|---|---|
| Free | USD 0 | Preview generations are free; you pay only to confirm and download (about USD 1.50 per credit, 10 credits on signup). Commercial rights included on all tiers. |
| Education | About USD 12/month | Verified students and educators get most Creator features at a discount, a tier most rivals do not offer. |
| Creator | USD 30/month | USD 24/month billed yearly. Multi image fusion, smart low poly, HD textures, unlimited exports and 20 geometry redos, roughly 60 models a month. |
| Business | USD 120/month | USD 96/month billed yearly. Full API access, 4K textures, high poly quads, 50 geometry redos and the 12K texture beta. |
| Enterprise | Custom | Private deployment, team controls, custom fine tuning and volume API discounts. |
Best for
Game and technical artists
Clean quad topology at controlled face counts and PBR materials that read correctly in Unity and Unreal, worth the premium for assets that must survive editing.
Sculptors wanting dense base meshes
The ten million polygon mode delivers a detailed starting sculpt that would take hours to block out, ready for refinement in ZBrush rather than replacement of it.
Concept and previz teams
Hard surface generations are the most coherent in the category, making fast, high fidelity blockouts practical for look development and shot planning.
Digitising real objects from photos
Five image multi view fusion bridges toward photogrammetry, reconstructing accurate geometry from a handful of angles without a scanning rig.
Who should look elsewhere
Anyone needing instant rigged characters
Rodin outputs static meshes only. There is no auto rigging, unlike Meshy or Tripo, so characters must be rigged manually in external tools.
Human faces and organic characters
Hard surfaces excel, but faces and complex anatomy often land in the uncanny valley or hallucinate. Deemos itself points facial work to its separate ChatAvatar product.
Strict mobile and WebGL budgets
Per model costs run well above entry level rivals, and dense default outputs need aggressive decimation before they suit resource constrained platforms.
Frequently asked questions
Can I use Rodin models commercially?
Yes, on every tier including free downloads. Deemos also licenses its training data commercially, including a Shutterstock 3D asset agreement, which reduces downstream copyright risk compared with tools trained on scraped data.
Does Rodin rig or animate characters?
No. Rodin generates static meshes only, though it can force a T pose or A pose to make external rigging easier. If you need built in rigging and preset animations, Meshy or Tripo cover that.
How does the pay by result pricing work?
Generating low resolution previews is free. Credits are deducted only when you confirm a result and request the full quality download. One caveat: credits reserved for unconfirmed high fidelity generations can stay frozen for up to 24 hours before returning to your balance.
Why does my Rodin model turn white in Mixamo?
Mixamo strips texture data on import; the geometry is fine. Rig the FBX in Mixamo, then reconnect Rodin's exported PBR maps (albedo, normal, metallic) to the material in Blender or your engine.
What is the ten million polygon mode for?
It outputs sculpt level density that preserves micro detail like skin pores and fabric weave. Treat it like a RAW photo: a dense canvas for sculptors to refine and then decimate deliberately, not something to drop into a game as is.
What formats does Rodin export?
GLB, USDZ, FBX, OBJ, STL and 3MF, selectable in the app or via the API's geometry format option.
