Apache-2.0 two-stage geometry plus texture generator (1.3B and 3.5B models) for textured 3D assets
Step1X-3D is listed under 3D & CAD Generation, in the Content & Media Generation category on Flocci AI Tools. Apache-2.0 two-stage geometry plus texture generator (1.3B and 3.5B models) for textured 3D assets. It is free, with no paid plan attached, and it lives at github.com.
Step1X-3D is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 399 entries on Flocci AI Tools with no upgrade path built in.
Step1X-3D does 3 things the catalog singles out: Apache-2.0 two-stage geometry plus texture generator (1.3b and 3.5b models) for textured 3d assets; released with training code and an 800k curated asset dataset; free hugging face spaces demo.
CADAM (Adam) is the closest free alternative: it sits in the same 3D & CAD Generation sub-category and is free. Copilot 3D, Hunyuan3D-2 (Tencent) and HunyuanWorld 1.0 also start free. The full list is on the alternatives page.
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