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Step1X-3D

StepFun's open-weights image-to-3D system: a 1.3B geometry model plus an SD-XL-based texture model.

  • StepFun
  • Open weights
  • Released 13 May 2025

Official page

Where it ranks

  • –
    3D generation
    Models · Local · no result on this task’s benchmarks yet

Facts

Vendor
StepFun
Family
Step1X-3D
Released
13 May 2025
Weights
Open: download and run it yourself
License
Apache-2.0
GPU memory to run locally
~27 GB (README: 27 GB GPU memory for geometry (1.3B) + texture generation, 29 GB with the label-conditioned geometry model.)
Access
Free (open weights)
Last verified
18 Oct 2026

Price from github.com, 18 Oct 2026.

Benchmark results

No public benchmark results recorded yet.

Where you can use it

No tracked tool lists this model yet; as open weights it runs in local runtimes.

Sources