3D & CAD Generationfree

TRELLIS (Microsoft)

Open-weight model outputting radiance fields, 3D Gaussians AND meshes from one representation

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What TRELLIS (Microsoft) does

  • Open-weight model outputting radiance fields, 3D Gaussians AND meshes from one representation
  • Up to 2B parameters, trained on 500K 3D asset dataset
  • MIT-licensed, deployable locally or on Azure

TRELLIS (Microsoft) — straight answers

What is TRELLIS (Microsoft)?

TRELLIS (Microsoft) is listed under 3D & CAD Generation, in the Content & Media Generation category on Flocci AI Tools. Open-weight model outputting radiance fields, 3D Gaussians AND meshes from one representation. It is free, with no paid plan attached, and it lives at github.com.

Is TRELLIS (Microsoft) free?

TRELLIS (Microsoft) is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 115 entries on Flocci AI Tools with no upgrade path built in.

What can TRELLIS (Microsoft) do?

TRELLIS (Microsoft) does 3 things the catalog singles out: Open-weight model outputting radiance fields, 3d gaussians and meshes from one representation; up to 2b parameters, trained on 500k 3d asset dataset; mit-licensed, deployable locally or on azure.

What is the best free alternative to TRELLIS (Microsoft)?

Hunyuan3D-2 (Tencent) is the closest free alternative: it sits in the same 3D & CAD Generation sub-category and is free. Meshy, Polycam and Rodin (Hyper3D) also start free. The full list is on the alternatives page.

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TRELLIS (Microsoft) alternatives

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Meshy

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freemium
  • Text/image/sketch-to-3D with auto-texturing and auto-rigging
  • Blender/Unity plugins for game pipelines
  • 100 free credits/month with CC BY 4.0 output
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Tripo

3D & CAD Generation
freemium
  • 6.5M+ creators, 100M+ models generated claimed traction
  • Auto-rigging, segmentation and stylization
  • Plugins for Blender, Unity, Unreal, ComfyUI, Godot
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Rodin (Hyper3D)

3D & CAD Generation
freemium
  • ControlNet-style guidance via bounding boxes, voxels, point clouds
  • Part-level editing and region refinement of generated meshes
  • Exports GLB, FBX, OBJ, STL, USDZ
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Sloyd

3D & CAD Generation
freemium
  • Guest plan: 1 free AI 3D generation daily, in-browser
  • Parametric/template-based generation, not just diffusion
  • Skybox, retexturing and video-to-motion on paid tiers
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Spline AI

3D & CAD Generation
freemium
  • 3D generation inside a full web-based 3D/interactive design editor
  • Publishes directly to web, iOS and Android
  • Image-to-3D remix and variant generation
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Zoo (KittyCAD)

3D & CAD Generation
freemium
  • Zookeeper: conversational AI agent that edits real parametric B-rep CAD geometry, not meshes
  • Manufacturing-aware design feedback
  • ITAR-compliant, SOC 2 Type II enterprise CAD
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Head-to-head comparisons

TRELLIS (Microsoft) vs MeshyTRELLIS (Microsoft) vs TripoTRELLIS (Microsoft) vs Rodin (Hyper3D)TRELLIS (Microsoft) vs SloydTRELLIS (Microsoft) vs Spline AITRELLIS (Microsoft) vs Zoo (KittyCAD)