Import new MiniMax H3 and LTX workflows

2026-08-12 18:06:49 +00:00
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+# MiniMax H3 INT8 Reference-to-Video
+
+## Summary
+
+`MiniMax H3` reference-to-video workflow with `INT8`, Motion Context, and a dedicated reference LoRA path.
+
+## Model Family
+
+- `minimax`
+
+## Status
+
+- `imported-only`
+
+## Source
+
+- Workflow repo: <https://huggingface.co/javawock7618/comfy-MiniMax-H3-workflows>
+- Workflow file: <https://huggingface.co/javawock7618/comfy-MiniMax-H3-workflows/resolve/main/MiniMax_int8_R2V-javano2608.13.json?download=true>
+- Original publisher: `javawock7618`
+- Date imported: `2026-08-12`
+
+## Developer notes
+
+- This is the `R2V` branch from the source pack.
+- The source README describes it as an `INT8` workflow built around:
+  - `Sage-Attention`
+  - `Spectrum`
+  - `Lightx2v LoRA`
+  - optional `Turbo-LoRA`
+  - `Motion Context`
+  - latent upscaling
+- The source README says the `R2V` branch expects `minimax_h3_ref_lora_rank_256_bf16.safetensors`.
+- The pack also ships `FLF` and `TTS` workflows, but this import is the dedicated reference-video graph.
+
+## Our notes
+
+- This is the strongest same-day MiniMax H3 workflow hit because it is actually about reference conditioning and consistency, not just another turbo LoRA.
+- It is still a heavy ask for an `RTX 3070 / 8 GB`, but it is much more likely to teach you something useful than a novelty-only MiniMax drop.
+- Best MiniMax workflow to test if you want a real comparison point against `LTX 2.3` consistency work.
+
+## Required custom nodes
+
+- `ComfyUI-Spectrum-MiniMax-H3`
+- `ComfyUI-H3-Motion-Context`
+- `ComfyUI-MiniMaxH3_LatentUpscaler`
+- `ComfyUI-SolAttn_triton`
+- `ComfyUI-GGUF` if you swap to GGUF-based variants
+- `comfyui-easy-use`
+- `comfyui-kjnodes`
+- `comfyui-impact-pack`
+- `comfyui-ollama`
+- `comfyui-videohelpersuite`
+- `WhatDreamsCost-ComfyUI`
+- `comfyui_nvidia_rtx_nodes`
+- `was-node-suite-comfyui`
+
+## Required model files
+
+- `Comfy-Org/MiniMax-H3`
+- `minimax_h3_ref_lora_rank_256_bf16.safetensors` from `Kijai/MiniMax-H3-experimental`
+- optional `Kijai/MiniMax-H3_comfy`
+- optional `drbaph/MiniMax-H3-Turbo-Lora-ComfyUI`
+
+## Notes
+
+- This is the best current MiniMax reference-video import in the repo.
+- If your goal is faster low-step novelty renders, the turbo paths are easier to demo, but this one is the better consistency-oriented test.