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w4a8_mixed) block-splice hybrid of MiniMax-H3 that combines the first/last-frame keyframe
model (fl2va) with the reference-conditioning model (ref2va) in a single checkpoint — so one gen can
be driven by a first frame and use reference images at the same time.w4a8_mixed).fl2va — first/last-frame keyframe conditioning, higher visual/audio quality. No reference slots.ref2va — image/video/audio reference conditioning (subject/scene/style). Lower base quality.b20-49)| Part | Source |
|---|---|
| Input/output heads + all non-block tensors | fl2va |
| Transformer blocks 0–19 | fl2va |
| Transformer blocks 20–49 | ref2va |
b20-49 leans toward reference adherence (30 of 50 blocks from ref2va) at a small cost to base
quality — a good pick when the reference is mandatory. The quality↔reference spectrum, most-quality →
most-reference: b30-49 → b25-49 → b20-49 → b15-49.fl2va's _quantization_metadata is kept only for the
fl2va-sourced layers; the ref2va blocks carry their own comfy_quant tensors. Verified to load in ComfyUI
(Detected mixed precision quantization).ComfyUI/models/diffusion_models/. It routes as a ref2va model, so both paths are active:MiniMaxH3AddKeyframes) — hard-anchors that frame.MiniMaxH3ReferenceToVideo — identity/style conditioning, not frame-locked.