MuseBix AI review
MuseBix AI presents a template-based tool for animating a still. Its public guide describes how a result can become the starting frame for the next clip.
A still, a clip and a continuation
MuseBix says an animation goes into your collection, where you can download it or use it to start the next clip. Its site also describes optional private model training on your own footage. The public pages present credits per generation and mention both bought packs and monthly allowances.
Deciding whether the reference is a reusable asset
NovelAI documents a temporary encrypted cache for uploaded images, with a window of up to an hour. MuseBix describes a separate workflow for training a reusable private model. If all you want is to animate one piece of fictional artwork, the ability to continue from a finished clip is more relevant than training.
Anabel’s take
I'd choose MuseBix for a sequence that begins with one original illustration and needs a few connected clips. I'd reserve model training for a project where I planned to reuse the same fictional subject.