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Open weightsS-Lab NTU / Shanghai AI Lab/10 trustVerified

3DTopia-XL

Scalable native text-to-3D and image-to-3D via primitive diffusion — PBR-ready GLB assets with smooth geometry and materials.

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About

3DTopia-XL is a native 3D generative model rather than a 2D-diffusion distillation trick. Its core idea is PrimX, a primitive-based 3D representation that encodes shape, albedo and material fields into a compact tensor, which a Diffusion Transformer then learns to generate directly. That gives it something most generators skip: real PBR materials, so the exported GLB drops into a game engine or renderer with spatially-varying textures that respond to light.

It was accepted as a CVPR 2025 Highlight, with both inference and training code released under Apache 2.0 and weights on Hugging Face. It takes either a text prompt or a single image, and the output mesh is decimated and packed for glTF. The community is smaller than the TRELLIS or Hunyuan3D crowds, but for teams that need material-aware assets rather than just textured shells, it's one of the few open options.

Specs

Context window

Not applicable — 3D generative model; text prompt or single image input

Pricing

Free / open weights

Free quota

Fully open — no API

API access

No official API — self-host from the 3DTopia/3DTopia-XL repo, or try the Hugging Face demo

Weights

Open weights

Released

Not disclosed

Benchmarks

  • Paper (arXiv 2409.12957): reports outperforming existing text/image-to-3D methods in qualitative and quantitative experiments
  • CVPR 2025 Highlight; no headline benchmark numbers independently verified

Provider-reported unless a source says otherwise. Benchmarks are marketing-adjacent by nature — treat them as directional.

Use cases

text-to-3dimage-to-3d3d-generationgame-assets

Trust score — 7/10

/10 trustVerified

Scored 7/10 (TIER verified, metrics-v1). Evidence: CVPR 2025 Highlight paper (arXiv 2409.12957); Apache-2.0 official repo (3DTopia/3DTopia-XL) with ~1k stars; weights on Hugging Face (FrozenBurning/3DTopia-XL) with a live demo; project page live. Strengths: peer-reviewed, permissive license, rare PBR-material output. Docked for: (1) smaller community and less third-party validation than TRELLIS/Hunyuan3D; (2) headline claims are author-reported. License: Apache-2.0.

How the trust score is built

Full methodology →
Adoption · stars/downloads, log-scaled vs peers
6.0/10
Maintenance · recency, releases, issue load
6.0/10
Openness · license + docs
9.0/10
Manual review · sanity read + red-flag check
7.0/10
  • · CVPR 2025 Highlight paper (arXiv 2409.12957), published 2024-09-19
  • · Official repo 3DTopia/3DTopia-XL, Apache-2.0, ~1k stars; weights on HF (FrozenBurning/3DTopia-XL) with live demo
  • · Smaller community than TRELLIS/Hunyuan3D; PrimX PBR output is the differentiator

Sources