MiniMax H3
4 entries about MiniMax H3, newest first.
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Use case: a music video made fully locally with MiniMax H3, YuE2 and HiDream O1
A creator made a three-minute music video using only open-weight models on their own machine: YuE2 for the song, HiDream O1 for character and world references, Qwen 3.8 27B to format prompts and MiniMax H3 for the video. The edit was done in DaVinci Resolve with only basic tools and no cloud AI.
Use case: a 22-second drone flight over Taiwan from a Blender blockout and MiniMax H3
A creator made a 22-second FPV-style flight past four Taiwanese landmarks without a drone, using a gray Blender blockout and MiniMax H3 running locally on one RTX 5090. The write-up shares every step, the render times and what still breaks.
Use case: a family sci-fi short made with MiniMax H3 on a home PC
Chris Beach made a short space film starring his family, with every shot generated locally by MiniMax H3 in ComfyUI on one RTX 5090. He published the full workflow, render times and electricity cost.
MiniMax H3 open weights run locally in ComfyUI
MiniMax H3 is MiniMax's first open-weights video model, making clips with stereo sound up to 2K and 15 seconds. ComfyUI supported it on day one with pruned, quantized files that can run on a 12 GB RTX 3060.
Questions and answers
Can I run MiniMax H3 on a 12 GB GPU?
Yes, ComfyUI's pruned, quantized files can run MiniMax H3 on a 12 GB RTX 3060. A cited owner run took about 4.5 minutes for 5 seconds at 864×480 with an 8-step Turbo LoRA, and host RAM matters: plan on 32 GB or more.
Do I need a license to use MiniMax H3 in the EU?
Users in the EU, UK, US and South Korea request a license from MiniMax through its H3 License Request Form before use; the link is in our H3 entry. Commercial use of local outputs is licensed separately through Comfy.
How long can MiniMax H3 videos be?
MiniMax H3 makes clips with stereo sound up to 2K and 15 seconds. WanGP v17 reports 15 seconds at 1080p in 11 GB VRAM.
Is there a faster version of MiniMax H3?
Yes: ComfyUI ships the 8-step FastH3, and FastH3-Omni is in preview with open weights announced for October 20, 2026. A hosted H3 Max is also on fal.
Can MiniMax H3 follow a camera move I block out in Blender?
Yes, roughly: in this Blender blockout use case, H3's reference-to-video mode filmed a gray Blender flight path as a 22-second drone shot on one RTX 5090. It held the order of landmarks and the direction of travel, but softened exact moves like a full orbit.
Can MiniMax H3 turn a grey-box or skeleton video into a finished shot?
Yes, with the open SolarRenderer LoRAs: they render a structure video, such as a grey box, skeleton, depth pass or pencil storyboard, into finished video in four steps, with the look set by the first frame and the prompt. It needs the full H3 weights (about 135 GB) and runs from Python scripts.