Most models that you can find online in various model zoos are not optimized for real-world usage. We created these models with @diazandr3s specifically to make them practically, clinically useful.
You can download these models and run them without Slicer GUI, from the command-line or via network requests within Slicer’s Python environment; or even completely independently from Slicer. To make it really easy to use without Slicer, we have separated the inference script into a standalone Python file.