minimax-h3-video

1# MiniMax H3 (Hailuo) — local video
2 
3This skill teaches the **local-weights** MiniMax H3 path in ComfyUI. It is the
4pilot for `#1155` (Official vs Empirical sources) because MiniMax publishes a
5real prompting guide. **Cite that guide by URL. Do not copy it into this repo.**
6 
7## Two products, two cost models — pick one
8 
9They share a brand and **must not be mixed**.
10 
11| Path | Nodes | Cost | VRAM | When |
12|---|---|---|---|---|
13| **Local weights** (this skill) | `MiniMaxH3ImageToVideo`, `MiniMaxH3ReferenceToVideo`, `EmptyMiniMaxH3LatentAV`, `MiniMaxH3SigmaShift`, `MiniMaxH3MemoryEfficientSageAttentionPatch` | Free after download | Yes — INT8 + turbo LoRA is the 8 GB story | User wants 4–15 s stereo clips on their GPU |
14| **Partner API** | `MinimaxHailuo03TextToVideoNode`, `MinimaxHailuo03FirstLastFrameNode`, `MinimaxHailuo03ReferenceNode`, `MinimaxTextToVideoNode`, `MinimaxImageToVideoNode`, `MinimaxHailuoVideoNode` | Paid per generation | None | User has a MiniMax / Hailuo API key and does not want local weights |
15 
16API nodes do not take `MiniMaxH3SigmaShift` or Sage-attention patches. Local
17nodes do not spend API credits. If the user asked for Hailuo *cloud*, stop and
18use the API nodes + their key; do not download 40 GB of weights.
19 
20`MiniMaxH3Director` is a **third-party** pack (`muse-collective-26/MiniMaxH3-Director`),
21not core. Do not require it for T2V / I2V / R2V.
22 
23## License — cite, do not copy
24 
25Local weights and MiniMax's own documentation sit under the
26…