A 33B parameter image model that claims native 4K in six sampling steps and accepts sixteen reference images at once. Both claims are unusual enough to be worth testing separately, and that is what this episode does.

Why six steps matters more than it sounds

Distilled samplers are not just faster versions of a slow sampler — they are a different trade. A six-step model has far fewer opportunities to correct itself, so the prompt has to do more of the work. That is fine when the prompt is specific and painful when it is vague.

The practical consequence: with a six-step model you want structured prompts, not paragraphs. The episode uses that as the working assumption.

Sixteen references: where it holds and where it breaks

Sixteen simultaneous references is the headline feature. In practice the useful zone is smaller:

  • Up to about six references — identity and outfit transfer are stable. Faces stay distinct.
  • Eight to twelve — subjects begin to average. Two characters with similar features start sharing facial structure.
  • Past twelve — the model starts treating references as style rather than identity.

That eight-reference "face blending" behaviour is the honest finding of the episode, and it is more useful to know than the maximum number.

The three workflows

Workflow Purpose
Text-to-image, 6 step The 4K baseline
Sixteen-image edit Multi-reference compositing
Single-image edit One image plus an instruction

The single-image edit graph is the one most people will actually use. It handles the common case — swap an object, change a colour, adjust a scene — without needing a mask.

Running it

The three graphs are ComfyUI exports. They run on RunningHub without a local GPU, which matters here because a 33B model at 4K output does not fit on a consumer card.

Files

Video walkthrough (Chinese): https://youtu.be/xz45b-opMHU
Bilibili: https://www.bilibili.com/video/BV1JaWm6FEiC/

Notes

  • Tutorial workflows, not a packaged product.
  • Model weights are not included; the MiniMax-H3-Image Community License applies.
  • Independent AI-KSK release. Not affiliated with or endorsed by MiniMax, Comfy Org or RunningHub.