Cryo Mix V2's Nova shows its working. That should be the bar for AI mixing
Cryo Mix V2 adds Nova, a chat-based mix assistant, uploads of up to 32 stems and a report beside each stem saying what the AI did. A mix you can read and overrule is one you still own, but Cryo's terms also claim a perpetual licence to your prompts and settings.
Releasesvia Cryo Mix